Li4FeNi5(PO4)6 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 6-coordinate geometry to one O(10), one O(14), one O(20), one O(24), one O(4), and one O(8) atom. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(15), one O(17), one O(21), and one O(5) atom. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(13), one O(15), one O(19), one O(2), and one O(21) atom. In the fourth Li site, Li(4) is bonded in a 6-coordinate geometry to one O(11), one O(16), one O(17), one O(18), one O(19), and one O(3) atom. Fe(1) is bonded to one O(11), one O(13), one O(16), one O(18), one O(21), and one O(5) atom to form distorted FeO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(1)O6 octahedra. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(11), one O(14), one O(18), one O(21), one O(4), and one O(7) atom to form distorted NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a faceface with one Fe(1)O6 octahedra, and  a faceface with one Ni(4)O6 octahedra. In the second Ni site, Ni(2) is bonded to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom to form NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(3)O6 octahedra. In the third Ni site, Ni(3) is bonded to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) atom to form distorted NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a faceface with one Ni(2)O6 octahedra, and  a faceface with one Ni(5)O6 octahedra. In the fourth Ni site, Ni(4) is bonded to one O(12), one O(14), one O(20), one O(4), one O(7), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(1)O6 octahedra. In the fifth Ni site, Ni(5) is bonded to one O(1), one O(15), one O(17), one O(19), one O(2), and one O(3) atom to form distorted NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(3)O6 octahedra. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-50°. In the second P site, P(2) is bonded to one O(1), one O(13), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-51°. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-53°. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(23), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-51°. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-51°. In the sixth P site, P(6) is bonded to one O(19), one O(20), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-51°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Ni(5), and one P(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(3), one Ni(5), and one P(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Li(4), one Ni(5), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Li(1), one Ni(1), one Ni(4), and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(2), one Fe(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Ni(2), one Ni(3), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Ni(1), one Ni(4), and one P(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(1), one Ni(2), one Ni(3), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Ni(4) and one P(4) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Ni(2), one Ni(3), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(4), one Fe(1), one Ni(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Ni(4) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Li(3), one Fe(1), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(4), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Li(2), one Li(3), one Ni(3), one Ni(5), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Li(4), one Fe(1), and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 5-coordinate geometry to one Li(2), one Li(4), one Ni(3), one Ni(5), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(1), one Ni(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Li(3), one Li(4), one Ni(3), one Ni(5), and one P(6) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Li(1), one Ni(4), and one P(6) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Fe(1), one Ni(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Ni(2) and one P(6) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Ni(2) and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Li(1), one Ni(2), and one P(5) atom.
Li4FeNi5(PO4)6 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 6-coordinate geometry to one O(10), one O(14), one O(20), one O(24), one O(4), and one O(8) atom. The Li(1)-O(10) bond length is 2.10 Å. The Li(1)-O(14) bond length is 2.10 Å. The Li(1)-O(20) bond length is 2.14 Å. The Li(1)-O(24) bond length is 2.11 Å. The Li(1)-O(4) bond length is 2.48 Å. The Li(1)-O(8) bond length is 2.43 Å. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(15), one O(17), one O(21), and one O(5) atom. The Li(2)-O(1) bond length is 2.09 Å. The Li(2)-O(11) bond length is 2.16 Å. The Li(2)-O(15) bond length is 2.10 Å. The Li(2)-O(17) bond length is 2.51 Å. The Li(2)-O(21) bond length is 2.65 Å. The Li(2)-O(5) bond length is 2.42 Å. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(13), one O(15), one O(19), one O(2), and one O(21) atom. The Li(3)-O(13) bond length is 2.45 Å. The Li(3)-O(15) bond length is 2.52 Å. The Li(3)-O(19) bond length is 2.08 Å. The Li(3)-O(2) bond length is 2.12 Å. The Li(3)-O(21) bond length is 2.17 Å. In the fourth Li site, Li(4) is bonded in a 6-coordinate geometry to one O(11), one O(16), one O(17), one O(18), one O(19), and one O(3) atom. The Li(4)-O(11) bond length is 2.66 Å. The Li(4)-O(16) bond length is 2.46 Å. The Li(4)-O(17) bond length is 2.10 Å. The Li(4)-O(18) bond length is 2.14 Å. The Li(4)-O(19) bond length is 2.53 Å. The Li(4)-O(3) bond length is 2.12 Å. Fe(1) is bonded to one O(11), one O(13), one O(16), one O(18), one O(21), and one O(5) atom to form distorted FeO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(1)O6 octahedra. The Fe(1)-O(11) bond length is 2.12 Å. The Fe(1)-O(13) bond length is 1.94 Å. The Fe(1)-O(16) bond length is 1.94 Å. The Fe(1)-O(18) bond length is 2.11 Å. The Fe(1)-O(21) bond length is 2.12 Å. The Fe(1)-O(5) bond length is 1.95 Å. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(11), one O(14), one O(18), one O(21), one O(4), and one O(7) atom to form distorted NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a faceface with one Fe(1)O6 octahedra, and  a faceface with one Ni(4)O6 octahedra. The Ni(1)-O(11) bond length is 2.17 Å. The Ni(1)-O(14) bond length is 2.11 Å. The Ni(1)-O(18) bond length is 2.18 Å. The Ni(1)-O(21) bond length is 2.17 Å. The Ni(1)-O(4) bond length is 2.13 Å. The Ni(1)-O(7) bond length is 2.05 Å. In the second Ni site, Ni(2) is bonded to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom to form NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(3)O6 octahedra. The Ni(2)-O(10) bond length is 2.08 Å. The Ni(2)-O(22) bond length is 1.97 Å. The Ni(2)-O(23) bond length is 1.99 Å. The Ni(2)-O(24) bond length is 2.06 Å. The Ni(2)-O(6) bond length is 2.09 Å. The Ni(2)-O(8) bond length is 2.09 Å. In the third Ni site, Ni(3) is bonded to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) atom to form distorted NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a faceface with one Ni(2)O6 octahedra, and  a faceface with one Ni(5)O6 octahedra. The Ni(3)-O(10) bond length is 2.12 Å. The Ni(3)-O(15) bond length is 2.16 Å. The Ni(3)-O(17) bond length is 2.17 Å. The Ni(3)-O(19) bond length is 2.17 Å. The Ni(3)-O(6) bond length is 2.06 Å. The Ni(3)-O(8) bond length is 2.12 Å. In the fourth Ni site, Ni(4) is bonded to one O(12), one O(14), one O(20), one O(4), one O(7), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(1)O6 octahedra. The Ni(4)-O(12) bond length is 1.97 Å. The Ni(4)-O(14) bond length is 2.07 Å. The Ni(4)-O(20) bond length is 2.04 Å. The Ni(4)-O(4) bond length is 2.06 Å. The Ni(4)-O(7) bond length is 2.07 Å. The Ni(4)-O(9) bond length is 1.97 Å. In the fifth Ni site, Ni(5) is bonded to one O(1), one O(15), one O(17), one O(19), one O(2), and one O(3) atom to form distorted NiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Ni(3)O6 octahedra. The Ni(5)-O(1) bond length is 2.01 Å. The Ni(5)-O(15) bond length is 2.11 Å. The Ni(5)-O(17) bond length is 2.12 Å. The Ni(5)-O(19) bond length is 2.11 Å. The Ni(5)-O(2) bond length is 2.00 Å. The Ni(5)-O(3) bond length is 2.01 Å. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-50°. The P(1)-O(3) bond length is 1.54 Å. The P(1)-O(4) bond length is 1.57 Å. The P(1)-O(5) bond length is 1.55 Å. The P(1)-O(6) bond length is 1.54 Å. In the second P site, P(2) is bonded to one O(1), one O(13), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-51°. The P(2)-O(1) bond length is 1.53 Å. The P(2)-O(13) bond length is 1.56 Å. The P(2)-O(7) bond length is 1.54 Å. The P(2)-O(8) bond length is 1.56 Å. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-53°. The P(3)-O(10) bond length is 1.56 Å. The P(3)-O(14) bond length is 1.56 Å. The P(3)-O(16) bond length is 1.54 Å. The P(3)-O(2) bond length is 1.52 Å. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(23), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-51°. The P(4)-O(11) bond length is 1.59 Å. The P(4)-O(15) bond length is 1.58 Å. The P(4)-O(23) bond length is 1.51 Å. The P(4)-O(9) bond length is 1.52 Å. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-51°. The P(5)-O(12) bond length is 1.50 Å. The P(5)-O(17) bond length is 1.58 Å. The P(5)-O(18) bond length is 1.60 Å. The P(5)-O(24) bond length is 1.52 Å. In the sixth P site, P(6) is bonded to one O(19), one O(20), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra, and  a cornercorner with one Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-51°. The P(6)-O(19) bond length is 1.58 Å. The P(6)-O(20) bond length is 1.53 Å. The P(6)-O(21) bond length is 1.60 Å. The P(6)-O(22) bond length is 1.50 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Ni(5), and one P(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(3), one Ni(5), and one P(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Li(4), one Ni(5), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Li(1), one Ni(1), one Ni(4), and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(2), one Fe(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Ni(2), one Ni(3), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Ni(1), one Ni(4), and one P(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(1), one Ni(2), one Ni(3), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Ni(4) and one P(4) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Ni(2), one Ni(3), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(4), one Fe(1), one Ni(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Ni(4) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Li(3), one Fe(1), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(4), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Li(2), one Li(3), one Ni(3), one Ni(5), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Li(4), one Fe(1), and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 5-coordinate geometry to one Li(2), one Li(4), one Ni(3), one Ni(5), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(1), one Ni(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Li(3), one Li(4), one Ni(3), one Ni(5), and one P(6) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Li(1), one Ni(4), and one P(6) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Fe(1), one Ni(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Ni(2) and one P(6) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Ni(2) and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one Li(1), one Ni(2), and one P(5) atom.