Li6NiO4 crystallizes in the triclinic P1 space group. There are twenty-four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(3), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(3)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Li(9)O4 tetrahedra. In the second Li site, Li(2) is bonded to one O(10), one O(12), one O(2), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(1)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. In the third Li site, Li(3) is bonded to one O(13), one O(15), one O(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(4)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra,  an edgeedge with one Li(23)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the fourth Li site, Li(4) is bonded to one O(14), one O(16), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(2)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra,  an edgeedge with one Li(24)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the fifth Li site, Li(5) is bonded to one O(11), one O(2), one O(4), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(3)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra, and  an edgeedge with one Li(24)O4 tetrahedra. In the sixth Li site, Li(6) is bonded to one O(1), one O(10), one O(12), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra, and  an edgeedge with one Li(23)O4 tetrahedra. In the seventh Li site, Li(7) is bonded to one O(13), one O(15), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(4)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(4)O4 tetrahedra. In the eighth Li site, Li(8) is bonded to one O(14), one O(16), one O(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(2)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(9)O4 tetrahedra. In the ninth Li site, Li(9) is bonded to one O(1), one O(11), one O(16), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(11)O4 tetrahedra, corners with two equivalent Li(21)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(23)O4 tetrahedra,  an edgeedge with one Li(24)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. In the tenth Li site, Li(10) is bonded to one O(12), one O(15), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(12)O4 tetrahedra, corners with two equivalent Li(22)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(23)O4 tetrahedra,  an edgeedge with one Li(24)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. In the eleventh Li site, Li(11) is bonded to one O(1), one O(14), one O(7), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(23)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. In the twelfth Li site, Li(12) is bonded to one O(10), one O(13), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Li(24)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. In the thirteenth Li site, Li(13) is bonded to one O(11), one O(15), one O(3), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(15)O4 tetrahedra, corners with two equivalent Li(18)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. In the fourteenth Li site, Li(14) is bonded to one O(12), one O(16), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. In the fifteenth Li site, Li(15) is bonded to one O(13), one O(3), one O(6), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra, corners with two equivalent Li(20)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. In the sixteenth Li site, Li(16) is bonded to one O(10), one O(14), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra, corners with two equivalent Li(19)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. In the seventeenth Li site, Li(17) is bonded to one O(13), one O(4), one O(5), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra, corners with two equivalent Li(19)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. In the eighteenth Li site, Li(18) is bonded to one O(10), one O(14), one O(3), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra, corners with two equivalent Li(20)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. In the nineteenth Li site, Li(19) is bonded to one O(11), one O(15), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. In the twentieth Li site, Li(20) is bonded to one O(12), one O(16), one O(3), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(15)O4 tetrahedra, corners with two equivalent Li(18)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. In the twenty-first Li site, Li(21) is bonded to one O(1), one O(10), one O(13), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(23)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. In the twenty-second Li site, Li(22) is bonded to one O(14), one O(2), one O(8), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Li(24)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. In the twenty-third Li site, Li(23) is bonded to one O(1), one O(12), one O(15), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(11)O4 tetrahedra, corners with two equivalent Li(21)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Li(9)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. In the twenty-fourth Li site, Li(24) is bonded to one O(11), one O(16), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(12)O4 tetrahedra, corners with two equivalent Li(22)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(9)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(10), one O(12), one O(6), and one O(7) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra, and  an edgeedge with one Li(23)O4 tetrahedra. In the second Ni site, Ni(2) is bonded to one O(1), one O(14), one O(16), and one O(4) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(8)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra, and  an edgeedge with one Li(9)O4 tetrahedra. In the third Ni site, Ni(3) is bonded to one O(11), one O(5), one O(8), and one O(9) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra, and  an edgeedge with one Li(24)O4 tetrahedra. In the fourth Ni site, Ni(4) is bonded to one O(13), one O(15), one O(2), and one O(3) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra, and  an edgeedge with one Li(15)O4 tetrahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(11), one Li(21), one Li(23), one Li(6), one Li(9), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the second O site, O(2) is bonded to one Li(10), one Li(12), one Li(2), one Li(22), one Li(24), one Li(5), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the third O site, O(3) is bonded to one Li(1), one Li(13), one Li(15), one Li(18), one Li(20), one Li(6), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fourth O site, O(4) is bonded to one Li(14), one Li(16), one Li(17), one Li(19), one Li(2), one Li(5), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fifth O site, O(5) is bonded to one Li(14), one Li(16), one Li(17), one Li(19), one Li(3), one Li(8), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the sixth O site, O(6) is bonded to one Li(13), one Li(15), one Li(18), one Li(20), one Li(4), one Li(7), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the seventh O site, O(7) is bonded to one Li(11), one Li(21), one Li(23), one Li(3), one Li(8), one Li(9), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the eighth O site, O(8) is bonded to one Li(10), one Li(12), one Li(22), one Li(24), one Li(4), one Li(7), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the ninth O site, O(9) is bonded to one Li(1), one Li(11), one Li(15), one Li(17), one Li(22), one Li(5), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the tenth O site, O(10) is bonded to one Li(12), one Li(16), one Li(18), one Li(2), one Li(21), one Li(6), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the eleventh O site, O(11) is bonded to one Li(1), one Li(13), one Li(19), one Li(24), one Li(5), one Li(9), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the twelfth O site, O(12) is bonded to one Li(10), one Li(14), one Li(2), one Li(20), one Li(23), one Li(6), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the thirteenth O site, O(13) is bonded to one Li(12), one Li(15), one Li(17), one Li(21), one Li(3), one Li(7), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fourteenth O site, O(14) is bonded to one Li(11), one Li(16), one Li(18), one Li(22), one Li(4), one Li(8), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fifteenth O site, O(15) is bonded to one Li(10), one Li(13), one Li(19), one Li(23), one Li(3), one Li(7), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the sixteenth O site, O(16) is bonded to one Li(14), one Li(20), one Li(24), one Li(4), one Li(8), one Li(9), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids.
Li6NiO4 crystallizes in the triclinic P1 space group. There are twenty-four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(3), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(3)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Li(9)O4 tetrahedra. The Li(1)-O(1) bond length is 1.97 Å. The Li(1)-O(11) bond length is 1.90 Å. The Li(1)-O(3) bond length is 1.99 Å. The Li(1)-O(9) bond length is 1.91 Å. In the second Li site, Li(2) is bonded to one O(10), one O(12), one O(2), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(1)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. The Li(2)-O(10) bond length is 1.93 Å. The Li(2)-O(12) bond length is 1.93 Å. The Li(2)-O(2) bond length is 1.99 Å. The Li(2)-O(4) bond length is 1.97 Å. In the third Li site, Li(3) is bonded to one O(13), one O(15), one O(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(4)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra,  an edgeedge with one Li(23)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. The Li(3)-O(13) bond length is 1.90 Å. The Li(3)-O(15) bond length is 1.90 Å. The Li(3)-O(5) bond length is 1.99 Å. The Li(3)-O(7) bond length is 1.97 Å. In the fourth Li site, Li(4) is bonded to one O(14), one O(16), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(2)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra,  an edgeedge with one Li(24)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. The Li(4)-O(14) bond length is 1.92 Å. The Li(4)-O(16) bond length is 1.93 Å. The Li(4)-O(6) bond length is 1.97 Å. The Li(4)-O(8) bond length is 1.99 Å. In the fifth Li site, Li(5) is bonded to one O(11), one O(2), one O(4), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(3)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra, and  an edgeedge with one Li(24)O4 tetrahedra. The Li(5)-O(11) bond length is 1.97 Å. The Li(5)-O(2) bond length is 1.93 Å. The Li(5)-O(4) bond length is 1.91 Å. The Li(5)-O(9) bond length is 1.97 Å. In the sixth Li site, Li(6) is bonded to one O(1), one O(10), one O(12), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Ni(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra, and  an edgeedge with one Li(23)O4 tetrahedra. The Li(6)-O(1) bond length is 1.91 Å. The Li(6)-O(10) bond length is 1.99 Å. The Li(6)-O(12) bond length is 1.99 Å. The Li(6)-O(3) bond length is 1.92 Å. In the seventh Li site, Li(7) is bonded to one O(13), one O(15), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(4)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(4)O4 tetrahedra. The Li(7)-O(13) bond length is 1.96 Å. The Li(7)-O(15) bond length is 1.97 Å. The Li(7)-O(6) bond length is 1.91 Å. The Li(7)-O(8) bond length is 1.92 Å. In the eighth Li site, Li(8) is bonded to one O(14), one O(16), one O(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Ni(2)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(9)O4 tetrahedra. The Li(8)-O(14) bond length is 1.99 Å. The Li(8)-O(16) bond length is 1.99 Å. The Li(8)-O(5) bond length is 1.92 Å. The Li(8)-O(7) bond length is 1.91 Å. In the ninth Li site, Li(9) is bonded to one O(1), one O(11), one O(16), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(11)O4 tetrahedra, corners with two equivalent Li(21)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(23)O4 tetrahedra,  an edgeedge with one Li(24)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. The Li(9)-O(1) bond length is 2.10 Å. The Li(9)-O(11) bond length is 2.00 Å. The Li(9)-O(16) bond length is 2.09 Å. The Li(9)-O(7) bond length is 2.01 Å. In the tenth Li site, Li(10) is bonded to one O(12), one O(15), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(12)O4 tetrahedra, corners with two equivalent Li(22)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(23)O4 tetrahedra,  an edgeedge with one Li(24)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. The Li(10)-O(12) bond length is 1.99 Å. The Li(10)-O(15) bond length is 2.13 Å. The Li(10)-O(2) bond length is 2.12 Å. The Li(10)-O(8) bond length is 1.99 Å. In the eleventh Li site, Li(11) is bonded to one O(1), one O(14), one O(7), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(23)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. The Li(11)-O(1) bond length is 2.10 Å. The Li(11)-O(14) bond length is 2.09 Å. The Li(11)-O(7) bond length is 2.01 Å. The Li(11)-O(9) bond length is 2.00 Å. In the twelfth Li site, Li(12) is bonded to one O(10), one O(13), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Li(24)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. The Li(12)-O(10) bond length is 1.99 Å. The Li(12)-O(13) bond length is 2.13 Å. The Li(12)-O(2) bond length is 2.12 Å. The Li(12)-O(8) bond length is 1.97 Å. In the thirteenth Li site, Li(13) is bonded to one O(11), one O(15), one O(3), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(15)O4 tetrahedra, corners with two equivalent Li(18)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. The Li(13)-O(11) bond length is 2.01 Å. The Li(13)-O(15) bond length is 2.09 Å. The Li(13)-O(3) bond length is 2.10 Å. The Li(13)-O(6) bond length is 2.00 Å. In the fourteenth Li site, Li(14) is bonded to one O(12), one O(16), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. The Li(14)-O(12) bond length is 1.98 Å. The Li(14)-O(16) bond length is 2.13 Å. The Li(14)-O(4) bond length is 2.11 Å. The Li(14)-O(5) bond length is 1.99 Å. In the fifteenth Li site, Li(15) is bonded to one O(13), one O(3), one O(6), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra, corners with two equivalent Li(20)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Ni(4)O4 tetrahedra. The Li(15)-O(13) bond length is 2.09 Å. The Li(15)-O(3) bond length is 2.11 Å. The Li(15)-O(6) bond length is 2.00 Å. The Li(15)-O(9) bond length is 2.01 Å. In the sixteenth Li site, Li(16) is bonded to one O(10), one O(14), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Ni(1)O4 tetrahedra,  a cornercorner with one Ni(3)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra, corners with two equivalent Li(19)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Ni(2)O4 tetrahedra. The Li(16)-O(10) bond length is 1.98 Å. The Li(16)-O(14) bond length is 2.13 Å. The Li(16)-O(4) bond length is 2.12 Å. The Li(16)-O(5) bond length is 1.99 Å. In the seventeenth Li site, Li(17) is bonded to one O(13), one O(4), one O(5), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra, corners with two equivalent Li(19)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. The Li(17)-O(13) bond length is 2.02 Å. The Li(17)-O(4) bond length is 2.01 Å. The Li(17)-O(5) bond length is 2.09 Å. The Li(17)-O(9) bond length is 2.08 Å. In the eighteenth Li site, Li(18) is bonded to one O(10), one O(14), one O(3), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra, corners with two equivalent Li(20)O4 tetrahedra,  an edgeedge with one Li(15)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. The Li(18)-O(10) bond length is 2.13 Å. The Li(18)-O(14) bond length is 1.98 Å. The Li(18)-O(3) bond length is 1.99 Å. The Li(18)-O(6) bond length is 2.11 Å. In the nineteenth Li site, Li(19) is bonded to one O(11), one O(15), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(16)O4 tetrahedra, corners with two equivalent Li(17)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. The Li(19)-O(11) bond length is 2.09 Å. The Li(19)-O(15) bond length is 2.01 Å. The Li(19)-O(4) bond length is 2.00 Å. The Li(19)-O(5) bond length is 2.10 Å. In the twentieth Li site, Li(20) is bonded to one O(12), one O(16), one O(3), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(15)O4 tetrahedra, corners with two equivalent Li(18)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. The Li(20)-O(12) bond length is 2.13 Å. The Li(20)-O(16) bond length is 1.98 Å. The Li(20)-O(3) bond length is 1.99 Å. The Li(20)-O(6) bond length is 2.12 Å. In the twenty-first Li site, Li(21) is bonded to one O(1), one O(10), one O(13), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(23)O4 tetrahedra, corners with two equivalent Li(9)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. The Li(21)-O(1) bond length is 2.01 Å. The Li(21)-O(10) bond length is 2.09 Å. The Li(21)-O(13) bond length is 2.00 Å. The Li(21)-O(7) bond length is 2.10 Å. In the twenty-second Li site, Li(22) is bonded to one O(14), one O(2), one O(8), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra, corners with two equivalent Li(24)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. The Li(22)-O(14) bond length is 1.99 Å. The Li(22)-O(2) bond length is 1.98 Å. The Li(22)-O(8) bond length is 2.11 Å. The Li(22)-O(9) bond length is 2.13 Å. In the twenty-third Li site, Li(23) is bonded to one O(1), one O(12), one O(15), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(11)O4 tetrahedra, corners with two equivalent Li(21)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Li(9)O4 tetrahedra, and  an edgeedge with one Ni(1)O4 tetrahedra. The Li(23)-O(1) bond length is 2.01 Å. The Li(23)-O(12) bond length is 2.09 Å. The Li(23)-O(15) bond length is 2.00 Å. The Li(23)-O(7) bond length is 2.10 Å. In the twenty-fourth Li site, Li(24) is bonded to one O(11), one O(16), one O(2), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Ni(2)O4 tetrahedra,  a cornercorner with one Ni(4)O4 tetrahedra, corners with two equivalent Li(12)O4 tetrahedra, corners with two equivalent Li(22)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(9)O4 tetrahedra, and  an edgeedge with one Ni(3)O4 tetrahedra. The Li(24)-O(11) bond length is 2.15 Å. The Li(24)-O(16) bond length is 1.98 Å. The Li(24)-O(2) bond length is 1.97 Å. The Li(24)-O(8) bond length is 2.15 Å. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(10), one O(12), one O(6), and one O(7) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra,  an edgeedge with one Li(18)O4 tetrahedra,  an edgeedge with one Li(20)O4 tetrahedra,  an edgeedge with one Li(21)O4 tetrahedra, and  an edgeedge with one Li(23)O4 tetrahedra. The Ni(1)-O(10) bond length is 2.01 Å. The Ni(1)-O(12) bond length is 2.01 Å. The Ni(1)-O(6) bond length is 1.99 Å. The Ni(1)-O(7) bond length is 2.00 Å. In the second Ni site, Ni(2) is bonded to one O(1), one O(14), one O(16), and one O(4) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(8)O4 tetrahedra,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(16)O4 tetrahedra, and  an edgeedge with one Li(9)O4 tetrahedra. The Ni(2)-O(1) bond length is 2.00 Å. The Ni(2)-O(14) bond length is 2.01 Å. The Ni(2)-O(16) bond length is 2.01 Å. The Ni(2)-O(4) bond length is 1.99 Å. In the third Ni site, Ni(3) is bonded to one O(11), one O(5), one O(8), and one O(9) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(12)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(15)O4 tetrahedra,  a cornercorner with one Li(16)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Li(17)O4 tetrahedra,  an edgeedge with one Li(19)O4 tetrahedra,  an edgeedge with one Li(22)O4 tetrahedra, and  an edgeedge with one Li(24)O4 tetrahedra. The Ni(3)-O(11) bond length is 2.00 Å. The Ni(3)-O(5) bond length is 2.01 Å. The Ni(3)-O(8) bond length is 1.99 Å. The Ni(3)-O(9) bond length is 2.00 Å. In the fourth Ni site, Ni(4) is bonded to one O(13), one O(15), one O(2), and one O(3) atom to form NiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(17)O4 tetrahedra,  a cornercorner with one Li(18)O4 tetrahedra,  a cornercorner with one Li(19)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(20)O4 tetrahedra,  a cornercorner with one Li(21)O4 tetrahedra,  a cornercorner with one Li(22)O4 tetrahedra,  a cornercorner with one Li(23)O4 tetrahedra,  a cornercorner with one Li(24)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(12)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra, and  an edgeedge with one Li(15)O4 tetrahedra. The Ni(4)-O(13) bond length is 1.99 Å. The Ni(4)-O(15) bond length is 2.00 Å. The Ni(4)-O(2) bond length is 2.00 Å. The Ni(4)-O(3) bond length is 2.01 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(11), one Li(21), one Li(23), one Li(6), one Li(9), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the second O site, O(2) is bonded to one Li(10), one Li(12), one Li(2), one Li(22), one Li(24), one Li(5), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the third O site, O(3) is bonded to one Li(1), one Li(13), one Li(15), one Li(18), one Li(20), one Li(6), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fourth O site, O(4) is bonded to one Li(14), one Li(16), one Li(17), one Li(19), one Li(2), one Li(5), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fifth O site, O(5) is bonded to one Li(14), one Li(16), one Li(17), one Li(19), one Li(3), one Li(8), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the sixth O site, O(6) is bonded to one Li(13), one Li(15), one Li(18), one Li(20), one Li(4), one Li(7), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the seventh O site, O(7) is bonded to one Li(11), one Li(21), one Li(23), one Li(3), one Li(8), one Li(9), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the eighth O site, O(8) is bonded to one Li(10), one Li(12), one Li(22), one Li(24), one Li(4), one Li(7), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the ninth O site, O(9) is bonded to one Li(1), one Li(11), one Li(15), one Li(17), one Li(22), one Li(5), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the tenth O site, O(10) is bonded to one Li(12), one Li(16), one Li(18), one Li(2), one Li(21), one Li(6), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the eleventh O site, O(11) is bonded to one Li(1), one Li(13), one Li(19), one Li(24), one Li(5), one Li(9), and one Ni(3) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the twelfth O site, O(12) is bonded to one Li(10), one Li(14), one Li(2), one Li(20), one Li(23), one Li(6), and one Ni(1) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the thirteenth O site, O(13) is bonded to one Li(12), one Li(15), one Li(17), one Li(21), one Li(3), one Li(7), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fourteenth O site, O(14) is bonded to one Li(11), one Li(16), one Li(18), one Li(22), one Li(4), one Li(8), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the fifteenth O site, O(15) is bonded to one Li(10), one Li(13), one Li(19), one Li(23), one Li(3), one Li(7), and one Ni(4) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids. In the sixteenth O site, O(16) is bonded to one Li(14), one Li(20), one Li(24), one Li(4), one Li(8), one Li(9), and one Ni(2) atom to form a mixture of distorted corner and edge-sharing OLi6Ni pentagonal bipyramids.