Li5Nb2Ni5O12 is Caswellsilverite-derived structured and crystallizes in the monoclinic C2 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Nb(1)O6 octahedra, and edges with three equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NbO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-3°. In the second Nb site, Nb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NbO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Nb(2)O6 octahedra, and edges with three equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-5°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the third Ni site, Ni(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Nb(2)O6 octahedra, and edges with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the fourth Ni site, Ni(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-10°. There are six inequivalent O sites. In the first O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(2), and one Ni(4) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(1)Li3NbNi2 octahedra, and edges with four equivalent O(3)Li3NbNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the second O site, O(6) is bonded to one Li(1), one Li(2), one Nb(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2NbNi3 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(2)Li2NbNi3 octahedra, and edges with four equivalent O(4)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the third O site, O(1) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(2), and one Ni(4) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra, edges with four equivalent O(3)Li3NbNi2 octahedra, and edges with four equivalent O(5)Li3NbNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the fourth O site, O(2) is bonded to one Li(1), one Li(2), one Nb(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2NbNi3 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(4)Li2NbNi3 octahedra, and edges with four equivalent O(6)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fifth O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(2), and one Ni(4) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra, edges with four equivalent O(1)Li3NbNi2 octahedra, and edges with four equivalent O(5)Li3NbNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-11°. In the sixth O site, O(4) is bonded to one Li(1), one Li(2), one Nb(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2NbNi3 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(2)Li2NbNi3 octahedra, and edges with four equivalent O(6)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-10°.
Li5Nb2Ni5O12 is Caswellsilverite-derived structured and crystallizes in the monoclinic C2 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. The Li(1)-O(1) bond length is 2.13 Å. The Li(1)-O(2) bond length is 2.34 Å. The Li(1)-O(3) bond length is 2.06 Å. The Li(1)-O(4) bond length is 2.11 Å. The Li(1)-O(5) bond length is 2.26 Å. The Li(1)-O(6) bond length is 2.09 Å. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. The Li(2)-O(1) bond length is 2.06 Å. The Li(2)-O(2) bond length is 2.29 Å. The Li(2)-O(3) bond length is 2.15 Å. The Li(2)-O(4) bond length is 2.11 Å. The Li(2)-O(5) bond length is 2.20 Å. The Li(2)-O(6) bond length is 2.15 Å. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Nb(1)O6 octahedra, and edges with three equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. Both Li(3)-O(1) bond lengths are 2.18 Å. Both Li(3)-O(3) bond lengths are 2.08 Å. Both Li(3)-O(5) bond lengths are 2.19 Å. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NbO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-3°. Both Nb(1)-O(1) bond lengths are 2.07 Å. Both Nb(1)-O(3) bond lengths are 2.03 Å. Both Nb(1)-O(5) bond lengths are 2.01 Å. In the second Nb site, Nb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NbO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. Both Nb(2)-O(2) bond lengths are 2.04 Å. Both Nb(2)-O(4) bond lengths are 2.11 Å. Both Nb(2)-O(6) bond lengths are 2.12 Å. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Nb(2)O6 octahedra, and edges with three equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-5°. Both Ni(1)-O(2) bond lengths are 2.13 Å. Both Ni(1)-O(4) bond lengths are 2.07 Å. Both Ni(1)-O(6) bond lengths are 2.14 Å. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. The Ni(2)-O(1) bond length is 2.10 Å. The Ni(2)-O(2) bond length is 2.14 Å. The Ni(2)-O(3) bond length is 2.14 Å. The Ni(2)-O(4) bond length is 2.18 Å. The Ni(2)-O(5) bond length is 2.09 Å. The Ni(2)-O(6) bond length is 2.12 Å. In the third Ni site, Ni(3) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Nb(2)O6 octahedra, and edges with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. Both Ni(3)-O(2) bond lengths are 2.13 Å. Both Ni(3)-O(4) bond lengths are 2.14 Å. Both Ni(3)-O(6) bond lengths are 2.08 Å. In the fourth Ni site, Ni(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-10°. Both Ni(4)-O(1) bond lengths are 2.06 Å. Both Ni(4)-O(3) bond lengths are 2.15 Å. Both Ni(4)-O(5) bond lengths are 2.12 Å. There are six inequivalent O sites. In the first O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(2), and one Ni(4) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(1)Li3NbNi2 octahedra, and edges with four equivalent O(3)Li3NbNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the second O site, O(6) is bonded to one Li(1), one Li(2), one Nb(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2NbNi3 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(2)Li2NbNi3 octahedra, and edges with four equivalent O(4)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the third O site, O(1) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(2), and one Ni(4) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra, edges with four equivalent O(3)Li3NbNi2 octahedra, and edges with four equivalent O(5)Li3NbNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the fourth O site, O(2) is bonded to one Li(1), one Li(2), one Nb(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2NbNi3 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(4)Li2NbNi3 octahedra, and edges with four equivalent O(6)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fifth O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(2), and one Ni(4) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(6)Li2NbNi3 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra, edges with four equivalent O(1)Li3NbNi2 octahedra, and edges with four equivalent O(5)Li3NbNi2 octahedra. The corner-sharing octahedral tilt angles range from 1-11°. In the sixth O site, O(4) is bonded to one Li(1), one Li(2), one Nb(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2NbNi3 octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li2NbNi3 octahedra,  a cornercorner with one O(6)Li2NbNi3 octahedra,  a cornercorner with one O(1)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li3NbNi2 octahedra,  an edgeedge with one O(4)Li2NbNi3 octahedra,  an edgeedge with one O(1)Li3NbNi2 octahedra,  an edgeedge with one O(3)Li3NbNi2 octahedra,  an edgeedge with one O(5)Li3NbNi2 octahedra, edges with four equivalent O(2)Li2NbNi3 octahedra, and edges with four equivalent O(6)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-10°.