Li4Fe2Ni5O12 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. In the second Li site, Li(2) is bonded to one O(1), one O(11), one O(12), one O(2), one O(8), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. In the third Li site, Li(3) is bonded to one O(1), one O(11), one O(3), one O(6), one O(7), and one O(8) atom to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. In the fourth Li site, Li(4) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-8°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(11), one O(3), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-14°. In the second Fe site, Fe(2) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Fe(2)O6 octahedra, and edges with three equivalent Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the second Ni site, Ni(2) is bonded to one O(1), one O(11), one O(3), one O(6), one O(7), and one O(8) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. In the third Ni site, Ni(3) is bonded to one O(1), one O(10), one O(2), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the fourth Ni site, Ni(4) is bonded to one O(11), one O(12), 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 Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. In the fifth Ni site, Ni(5) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Fe(2)O6 octahedra, and edges with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(3), one Fe(1), one Ni(2), and one Ni(3) atom to form OLi2FeNi2 square pyramids that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid, corners with two equivalent O(11)Li2FeNi2 square pyramids, corners with two equivalent O(2)LiFeNi3 square pyramids,  an edgeedge with one O(9)Li2FeNi3 octahedra,  an edgeedge with one O(6)Li3FeNi2 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(11)Li2FeNi2 square pyramid, and  an edgeedge with one O(3)Li2FeNi2 square pyramid. The corner-sharing octahedral tilt angles range from 4-13°. In the second O site, O(2) is bonded to one Li(2), one Fe(2), one Ni(1), one Ni(3), and one Ni(5) atom to form OLiFeNi3 square pyramids that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid, corners with two equivalent O(1)Li2FeNi2 square pyramids, corners with two equivalent O(12)LiFeNi3 square pyramids,  an edgeedge with one O(5)Li2FeNi3 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(12)LiFeNi3 square pyramid, and  an edgeedge with one O(4)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 3-7°. In the third O site, O(3) is bonded to one Li(1), one Li(3), one Fe(1), one Ni(2), and one Ni(4) atom to form OLi2FeNi2 square pyramids that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid, corners with two equivalent O(11)Li2FeNi2 square pyramids, corners with two equivalent O(4)LiFeNi3 square pyramids,  an edgeedge with one O(5)Li2FeNi3 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid, and  an edgeedge with one O(11)Li2FeNi2 square pyramid. The corner-sharing octahedral tilt angles range from 3-10°. In the fourth O site, O(4) is bonded to one Li(1), one Fe(2), one Ni(1), one Ni(4), and one Ni(5) atom to form OLiFeNi3 square pyramids that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid, corners with two equivalent O(3)Li2FeNi2 square pyramids, corners with two equivalent O(12)LiFeNi3 square pyramids,  an edgeedge with one O(9)Li2FeNi3 octahedra,  an edgeedge with one O(6)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra,  an edgeedge with one O(12)LiFeNi3 square pyramid, and  an edgeedge with one O(2)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 5-7°. In the fifth O site, O(5) is bonded to one Li(1), one Li(4), one Fe(2), one Ni(1), one Ni(4), and one Ni(5) atom to form OLi2FeNi3 octahedra that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid,  an edgeedge with one O(6)Li3FeNi2 octahedra,  an edgeedge with one O(7)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(3)Li2FeNi2 square pyramid,  an edgeedge with one O(2)LiFeNi3 square pyramid, edges with two equivalent O(12)LiFeNi3 square pyramids, and edges with two equivalent O(4)LiFeNi3 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(4), one Fe(1), one Ni(2), and one Ni(4) atom to form OLi3FeNi2 octahedra that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid,  an edgeedge with one O(10)Li2FeNi3 octahedra,  an edgeedge with one O(5)Li2FeNi3 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid,  an edgeedge with one O(4)LiFeNi3 square pyramid, edges with two equivalent O(11)Li2FeNi2 square pyramids, and edges with two equivalent O(3)Li2FeNi2 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the seventh O site, O(7) is bonded to one Li(1), one Li(3), one Li(4), one Fe(1), one Ni(2), and one Ni(3) atom to form OLi3FeNi2 octahedra that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid,  an edgeedge with one O(10)Li2FeNi3 octahedra,  an edgeedge with one O(5)Li2FeNi3 octahedra,  an edgeedge with one O(9)Li2FeNi3 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(11)Li2FeNi2 square pyramid, edges with two equivalent O(1)Li2FeNi2 square pyramids, and edges with two equivalent O(3)Li2FeNi2 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the eighth O site, O(8) is bonded to one Li(2), one Li(3), one Li(4), one Fe(1), one Ni(2), and one Ni(3) atom to form OLi3FeNi2 octahedra that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid,  an edgeedge with one O(10)Li2FeNi3 octahedra,  an edgeedge with one O(9)Li2FeNi3 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra,  an edgeedge with one O(3)Li2FeNi2 square pyramid,  an edgeedge with one O(2)LiFeNi3 square pyramid, edges with two equivalent O(1)Li2FeNi2 square pyramids, and edges with two equivalent O(11)Li2FeNi2 square pyramids. The corner-sharing octahedral tilt angles range from 2-4°. In the ninth O site, O(9) is bonded to one Li(2), one Li(4), one Fe(2), one Ni(1), one Ni(3), and one Ni(5) atom to form OLi2FeNi3 octahedra that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid,  an edgeedge with one O(7)Li3FeNi2 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid,  an edgeedge with one O(4)LiFeNi3 square pyramid, edges with two equivalent O(12)LiFeNi3 square pyramids, and edges with two equivalent O(2)LiFeNi3 square pyramids. The corner-sharing octahedral tilt angles range from 1-3°. In the tenth O site, O(10) is bonded to one Li(1), one Li(4), one Fe(2), one Ni(1), one Ni(3), and one Ni(5) atom to form OLi2FeNi3 octahedra that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid,  an edgeedge with one O(6)Li3FeNi2 octahedra,  an edgeedge with one O(7)Li3FeNi2 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(12)LiFeNi3 square pyramid, edges with two equivalent O(2)LiFeNi3 square pyramids, and edges with two equivalent O(4)LiFeNi3 square pyramids. The corner-sharing octahedral tilt angles range from 1-5°. In the eleventh O site, O(11) is bonded to one Li(2), one Li(3), one Fe(1), one Ni(2), and one Ni(4) atom to form OLi2FeNi2 square pyramids that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid, corners with two equivalent O(1)Li2FeNi2 square pyramids, corners with two equivalent O(3)Li2FeNi2 square pyramids,  an edgeedge with one O(7)Li3FeNi2 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid,  an edgeedge with one O(3)Li2FeNi2 square pyramid, and  an edgeedge with one O(12)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 2-5°. In the twelfth O site, O(12) is bonded to one Li(2), one Fe(2), one Ni(1), one Ni(4), and one Ni(5) atom to form OLiFeNi3 square pyramids that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid, corners with two equivalent O(2)LiFeNi3 square pyramids, corners with two equivalent O(4)LiFeNi3 square pyramids,  an edgeedge with one O(10)Li2FeNi3 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(11)Li2FeNi2 square pyramid,  an edgeedge with one O(2)LiFeNi3 square pyramid, and  an edgeedge with one O(4)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 3-4°.
Li4Fe2Ni5O12 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. The Li(1)-O(10) bond length is 2.19 Å. The Li(1)-O(3) bond length is 2.04 Å. The Li(1)-O(4) bond length is 2.10 Å. The Li(1)-O(5) bond length is 2.15 Å. The Li(1)-O(6) bond length is 2.04 Å. The Li(1)-O(7) bond length is 2.29 Å. In the second Li site, Li(2) is bonded to one O(1), one O(11), one O(12), one O(2), one O(8), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. The Li(2)-O(1) bond length is 2.06 Å. The Li(2)-O(11) bond length is 2.20 Å. The Li(2)-O(12) bond length is 2.13 Å. The Li(2)-O(2) bond length is 2.16 Å. The Li(2)-O(8) bond length is 2.05 Å. The Li(2)-O(9) bond length is 2.16 Å. In the third Li site, Li(3) is bonded to one O(1), one O(11), one O(3), one O(6), one O(7), and one O(8) atom to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. The Li(3)-O(1) bond length is 2.11 Å. The Li(3)-O(11) bond length is 2.05 Å. The Li(3)-O(3) bond length is 2.09 Å. The Li(3)-O(6) bond length is 2.22 Å. The Li(3)-O(7) bond length is 2.07 Å. The Li(3)-O(8) bond length is 2.15 Å. In the fourth Li site, Li(4) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-8°. The Li(4)-O(10) bond length is 2.05 Å. The Li(4)-O(5) bond length is 2.17 Å. The Li(4)-O(6) bond length is 2.25 Å. The Li(4)-O(7) bond length is 2.03 Å. The Li(4)-O(8) bond length is 2.22 Å. The Li(4)-O(9) bond length is 2.12 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(11), one O(3), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-14°. The Fe(1)-O(1) bond length is 1.90 Å. The Fe(1)-O(11) bond length is 1.89 Å. The Fe(1)-O(3) bond length is 2.05 Å. The Fe(1)-O(6) bond length is 1.93 Å. The Fe(1)-O(7) bond length is 1.91 Å. The Fe(1)-O(8) bond length is 2.10 Å. In the second Fe site, Fe(2) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Ni(1)O6 octahedra, and edges with three equivalent Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. The Fe(2)-O(10) bond length is 2.03 Å. The Fe(2)-O(12) bond length is 2.00 Å. The Fe(2)-O(2) bond length is 2.01 Å. The Fe(2)-O(4) bond length is 2.04 Å. The Fe(2)-O(5) bond length is 2.03 Å. The Fe(2)-O(9) bond length is 2.04 Å. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Fe(2)O6 octahedra, and edges with three equivalent Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. The Ni(1)-O(10) bond length is 2.13 Å. The Ni(1)-O(12) bond length is 2.07 Å. The Ni(1)-O(2) bond length is 1.96 Å. The Ni(1)-O(4) bond length is 1.97 Å. The Ni(1)-O(5) bond length is 1.98 Å. The Ni(1)-O(9) bond length is 2.06 Å. In the second Ni site, Ni(2) is bonded to one O(1), one O(11), one O(3), one O(6), one O(7), and one O(8) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-14°. The Ni(2)-O(1) bond length is 2.05 Å. The Ni(2)-O(11) bond length is 1.97 Å. The Ni(2)-O(3) bond length is 1.92 Å. The Ni(2)-O(6) bond length is 2.08 Å. The Ni(2)-O(7) bond length is 2.06 Å. The Ni(2)-O(8) bond length is 1.97 Å. In the third Ni site, Ni(3) is bonded to one O(1), one O(10), one O(2), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. The Ni(3)-O(1) bond length is 2.04 Å. The Ni(3)-O(10) bond length is 2.10 Å. The Ni(3)-O(2) bond length is 2.09 Å. The Ni(3)-O(7) bond length is 2.12 Å. The Ni(3)-O(8) bond length is 2.03 Å. The Ni(3)-O(9) bond length is 2.07 Å. In the fourth Ni site, Ni(4) is bonded to one O(11), one O(12), 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 Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. The Ni(4)-O(11) bond length is 2.11 Å. The Ni(4)-O(12) bond length is 2.06 Å. The Ni(4)-O(3) bond length is 2.05 Å. The Ni(4)-O(4) bond length is 2.09 Å. The Ni(4)-O(5) bond length is 2.13 Å. The Ni(4)-O(6) bond length is 2.03 Å. In the fifth Ni site, Ni(5) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra, edges with three equivalent Fe(2)O6 octahedra, and edges with three equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. The Ni(5)-O(10) bond length is 2.01 Å. The Ni(5)-O(12) bond length is 2.00 Å. The Ni(5)-O(2) bond length is 2.08 Å. The Ni(5)-O(4) bond length is 2.07 Å. The Ni(5)-O(5) bond length is 2.13 Å. The Ni(5)-O(9) bond length is 2.10 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(3), one Fe(1), one Ni(2), and one Ni(3) atom to form OLi2FeNi2 square pyramids that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid, corners with two equivalent O(11)Li2FeNi2 square pyramids, corners with two equivalent O(2)LiFeNi3 square pyramids,  an edgeedge with one O(9)Li2FeNi3 octahedra,  an edgeedge with one O(6)Li3FeNi2 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(11)Li2FeNi2 square pyramid, and  an edgeedge with one O(3)Li2FeNi2 square pyramid. The corner-sharing octahedral tilt angles range from 4-13°. In the second O site, O(2) is bonded to one Li(2), one Fe(2), one Ni(1), one Ni(3), and one Ni(5) atom to form OLiFeNi3 square pyramids that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid, corners with two equivalent O(1)Li2FeNi2 square pyramids, corners with two equivalent O(12)LiFeNi3 square pyramids,  an edgeedge with one O(5)Li2FeNi3 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(12)LiFeNi3 square pyramid, and  an edgeedge with one O(4)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 3-7°. In the third O site, O(3) is bonded to one Li(1), one Li(3), one Fe(1), one Ni(2), and one Ni(4) atom to form OLi2FeNi2 square pyramids that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid, corners with two equivalent O(11)Li2FeNi2 square pyramids, corners with two equivalent O(4)LiFeNi3 square pyramids,  an edgeedge with one O(5)Li2FeNi3 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid, and  an edgeedge with one O(11)Li2FeNi2 square pyramid. The corner-sharing octahedral tilt angles range from 3-10°. In the fourth O site, O(4) is bonded to one Li(1), one Fe(2), one Ni(1), one Ni(4), and one Ni(5) atom to form OLiFeNi3 square pyramids that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid, corners with two equivalent O(3)Li2FeNi2 square pyramids, corners with two equivalent O(12)LiFeNi3 square pyramids,  an edgeedge with one O(9)Li2FeNi3 octahedra,  an edgeedge with one O(6)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra,  an edgeedge with one O(12)LiFeNi3 square pyramid, and  an edgeedge with one O(2)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 5-7°. In the fifth O site, O(5) is bonded to one Li(1), one Li(4), one Fe(2), one Ni(1), one Ni(4), and one Ni(5) atom to form OLi2FeNi3 octahedra that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid,  an edgeedge with one O(6)Li3FeNi2 octahedra,  an edgeedge with one O(7)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(3)Li2FeNi2 square pyramid,  an edgeedge with one O(2)LiFeNi3 square pyramid, edges with two equivalent O(12)LiFeNi3 square pyramids, and edges with two equivalent O(4)LiFeNi3 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(4), one Fe(1), one Ni(2), and one Ni(4) atom to form OLi3FeNi2 octahedra that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid,  an edgeedge with one O(10)Li2FeNi3 octahedra,  an edgeedge with one O(5)Li2FeNi3 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid,  an edgeedge with one O(4)LiFeNi3 square pyramid, edges with two equivalent O(11)Li2FeNi2 square pyramids, and edges with two equivalent O(3)Li2FeNi2 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the seventh O site, O(7) is bonded to one Li(1), one Li(3), one Li(4), one Fe(1), one Ni(2), and one Ni(3) atom to form OLi3FeNi2 octahedra that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid,  an edgeedge with one O(10)Li2FeNi3 octahedra,  an edgeedge with one O(5)Li2FeNi3 octahedra,  an edgeedge with one O(9)Li2FeNi3 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(11)Li2FeNi2 square pyramid, edges with two equivalent O(1)Li2FeNi2 square pyramids, and edges with two equivalent O(3)Li2FeNi2 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the eighth O site, O(8) is bonded to one Li(2), one Li(3), one Li(4), one Fe(1), one Ni(2), and one Ni(3) atom to form OLi3FeNi2 octahedra that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid,  an edgeedge with one O(10)Li2FeNi3 octahedra,  an edgeedge with one O(9)Li2FeNi3 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(7)Li3FeNi2 octahedra,  an edgeedge with one O(3)Li2FeNi2 square pyramid,  an edgeedge with one O(2)LiFeNi3 square pyramid, edges with two equivalent O(1)Li2FeNi2 square pyramids, and edges with two equivalent O(11)Li2FeNi2 square pyramids. The corner-sharing octahedral tilt angles range from 2-4°. In the ninth O site, O(9) is bonded to one Li(2), one Li(4), one Fe(2), one Ni(1), one Ni(3), and one Ni(5) atom to form OLi2FeNi3 octahedra that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(11)Li2FeNi2 square pyramid,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid,  an edgeedge with one O(7)Li3FeNi2 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(10)Li2FeNi3 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid,  an edgeedge with one O(4)LiFeNi3 square pyramid, edges with two equivalent O(12)LiFeNi3 square pyramids, and edges with two equivalent O(2)LiFeNi3 square pyramids. The corner-sharing octahedral tilt angles range from 1-3°. In the tenth O site, O(10) is bonded to one Li(1), one Li(4), one Fe(2), one Ni(1), one Ni(3), and one Ni(5) atom to form OLi2FeNi3 octahedra that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid,  a cornercorner with one O(12)LiFeNi3 square pyramid,  an edgeedge with one O(6)Li3FeNi2 octahedra,  an edgeedge with one O(7)Li3FeNi2 octahedra,  an edgeedge with one O(8)Li3FeNi2 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(12)LiFeNi3 square pyramid, edges with two equivalent O(2)LiFeNi3 square pyramids, and edges with two equivalent O(4)LiFeNi3 square pyramids. The corner-sharing octahedral tilt angles range from 1-5°. In the eleventh O site, O(11) is bonded to one Li(2), one Li(3), one Fe(1), one Ni(2), and one Ni(4) atom to form OLi2FeNi2 square pyramids that share  a cornercorner with one O(5)Li2FeNi3 octahedra,  a cornercorner with one O(9)Li2FeNi3 octahedra,  a cornercorner with one O(7)Li3FeNi2 octahedra,  a cornercorner with one O(2)LiFeNi3 square pyramid,  a cornercorner with one O(4)LiFeNi3 square pyramid, corners with two equivalent O(1)Li2FeNi2 square pyramids, corners with two equivalent O(3)Li2FeNi2 square pyramids,  an edgeedge with one O(7)Li3FeNi2 octahedra, edges with two equivalent O(6)Li3FeNi2 octahedra, edges with two equivalent O(8)Li3FeNi2 octahedra,  an edgeedge with one O(1)Li2FeNi2 square pyramid,  an edgeedge with one O(3)Li2FeNi2 square pyramid, and  an edgeedge with one O(12)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 2-5°. In the twelfth O site, O(12) is bonded to one Li(2), one Fe(2), one Ni(1), one Ni(4), and one Ni(5) atom to form OLiFeNi3 square pyramids that share  a cornercorner with one O(10)Li2FeNi3 octahedra,  a cornercorner with one O(6)Li3FeNi2 octahedra,  a cornercorner with one O(8)Li3FeNi2 octahedra,  a cornercorner with one O(1)Li2FeNi2 square pyramid,  a cornercorner with one O(3)Li2FeNi2 square pyramid, corners with two equivalent O(2)LiFeNi3 square pyramids, corners with two equivalent O(4)LiFeNi3 square pyramids,  an edgeedge with one O(10)Li2FeNi3 octahedra, edges with two equivalent O(5)Li2FeNi3 octahedra, edges with two equivalent O(9)Li2FeNi3 octahedra,  an edgeedge with one O(11)Li2FeNi2 square pyramid,  an edgeedge with one O(2)LiFeNi3 square pyramid, and  an edgeedge with one O(4)LiFeNi3 square pyramid. The corner-sharing octahedral tilt angles range from 3-4°.