Li5Fe3(SbO5)2 is Caswellsilverite-derived structured and crystallizes in the triclinic P1 space group. There are five 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(8) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-13°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-11°. In the third Li site, Li(3) is bonded to one O(3), one O(4), one O(5), 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 Li(5)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the fourth Li site, Li(4) is bonded to one O(10), one O(2), one O(4), one O(6), 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(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the fifth Li site, Li(5) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Fe(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 Sb(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(2), one O(4), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(2), one O(5), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-14°. In the third Fe site, Fe(3) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), 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 Fe(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the second Sb site, Sb(2) is bonded to one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-14°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(5), one Fe(1), one Fe(2), one Fe(3), and one Sb(1) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(6)Li4FeSb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, edges with two equivalent O(7)Li3Fe2Sb octahedra, and edges with two equivalent O(5)Li4FeSb octahedra. The corner-sharing octahedral tilt angles range from 2-8°. In the second O site, O(2) is bonded to one Li(2), one Li(4), one Fe(1), one Fe(2), one Fe(3), and one Sb(1) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra, corners with two equivalent O(8)Li4Sb2 octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, and edges with two equivalent O(7)Li3Fe2Sb octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the third O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Li(5), one Sb(1), and one Sb(2) atom to form OLi4Sb2 octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra, edges with two equivalent O(7)Li3Fe2Sb octahedra, edges with two equivalent O(5)Li4FeSb octahedra, edges with two equivalent O(6)Li4FeSb octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. In the fourth O site, O(4) is bonded to one Li(1), one Li(3), one Li(4), one Fe(1), one Fe(3), and one Sb(2) atom to form OLi3Fe2Sb octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, edges with two equivalent O(6)Li4FeSb octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Li(5), one Fe(2), and one Sb(1) atom to form OLi4FeSb octahedra that share  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(7)Li3Fe2Sb octahedra, edges with two equivalent O(3)Li4Sb2 octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(4), one Li(5), one Fe(3), and one Sb(2) atom to form OLi4FeSb octahedra that share  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(4)Li3Fe2Sb octahedra, edges with two equivalent O(3)Li4Sb2 octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 2-8°. In the seventh O site, O(7) is bonded to one Li(2), one Li(3), one Li(5), one Fe(1), one Fe(2), and one Sb(1) atom to form OLi3Fe2Sb octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, edges with two equivalent O(5)Li4FeSb octahedra, and edges with two equivalent O(3)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 3-17°. In the eighth O site, O(8) is bonded to one Li(1), one Li(3), one Li(4), one Li(5), one Sb(1), and one Sb(2) atom to form OLi4Sb2 octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra, edges with two equivalent O(4)Li3Fe2Sb octahedra, edges with two equivalent O(5)Li4FeSb octahedra, edges with two equivalent O(6)Li4FeSb octahedra, and edges with two equivalent O(3)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 1-17°. In the ninth O site, O(9) is bonded to one Li(2), one Li(4), one Fe(1), one Fe(2), one Fe(3), and one Sb(2) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra, corners with two equivalent O(3)Li4Sb2 octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, and edges with two equivalent O(4)Li3Fe2Sb octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the tenth O site, O(10) is bonded to one Li(1), one Li(4), one Fe(1), one Fe(2), one Fe(3), and one Sb(2) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(5)Li4FeSb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, edges with two equivalent O(4)Li3Fe2Sb octahedra, and edges with two equivalent O(6)Li4FeSb octahedra. The corner-sharing octahedral tilt angles range from 1-13°.
Li5Fe3(SbO5)2 is Caswellsilverite-derived structured and crystallizes in the triclinic P1 space group. There are five 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(8) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-13°. The Li(1)-O(10) bond length is 2.54 Å. The Li(1)-O(3) bond length is 2.42 Å. The Li(1)-O(4) bond length is 2.08 Å. The Li(1)-O(5) bond length is 2.14 Å. The Li(1)-O(6) bond length is 2.11 Å. The Li(1)-O(8) bond length is 2.30 Å. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-11°. The Li(2)-O(1) bond length is 2.22 Å. The Li(2)-O(2) bond length is 2.13 Å. The Li(2)-O(3) bond length is 2.19 Å. The Li(2)-O(5) bond length is 2.10 Å. The Li(2)-O(7) bond length is 2.33 Å. The Li(2)-O(9) bond length is 2.41 Å. In the third Li site, Li(3) is bonded to one O(3), one O(4), one O(5), 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 Li(5)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. The Li(3)-O(3) bond length is 2.15 Å. The Li(3)-O(4) bond length is 2.29 Å. The Li(3)-O(5) bond length is 2.26 Å. The Li(3)-O(6) bond length is 2.18 Å. The Li(3)-O(7) bond length is 2.25 Å. The Li(3)-O(8) bond length is 2.22 Å. In the fourth Li site, Li(4) is bonded to one O(10), one O(2), one O(4), one O(6), 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(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. The Li(4)-O(10) bond length is 2.23 Å. The Li(4)-O(2) bond length is 2.42 Å. The Li(4)-O(4) bond length is 2.17 Å. The Li(4)-O(6) bond length is 2.13 Å. The Li(4)-O(8) bond length is 2.42 Å. The Li(4)-O(9) bond length is 2.12 Å. In the fifth Li site, Li(5) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Fe(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 Sb(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. The Li(5)-O(1) bond length is 2.46 Å. The Li(5)-O(3) bond length is 2.32 Å. The Li(5)-O(5) bond length is 2.24 Å. The Li(5)-O(6) bond length is 2.15 Å. The Li(5)-O(7) bond length is 2.12 Å. The Li(5)-O(8) bond length is 2.22 Å. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(2), one O(4), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. The Fe(1)-O(1) bond length is 2.27 Å. The Fe(1)-O(10) bond length is 2.14 Å. The Fe(1)-O(2) bond length is 2.17 Å. The Fe(1)-O(4) bond length is 2.18 Å. The Fe(1)-O(7) bond length is 2.20 Å. The Fe(1)-O(9) bond length is 2.17 Å. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(2), one O(5), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-14°. The Fe(2)-O(1) bond length is 2.19 Å. The Fe(2)-O(10) bond length is 2.15 Å. The Fe(2)-O(2) bond length is 2.22 Å. The Fe(2)-O(5) bond length is 2.11 Å. The Fe(2)-O(7) bond length is 2.18 Å. The Fe(2)-O(9) bond length is 2.24 Å. In the third Fe site, Fe(3) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), 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 Fe(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. The Fe(3)-O(1) bond length is 2.22 Å. The Fe(3)-O(10) bond length is 2.23 Å. The Fe(3)-O(2) bond length is 2.24 Å. The Fe(3)-O(4) bond length is 2.17 Å. The Fe(3)-O(6) bond length is 2.08 Å. The Fe(3)-O(9) bond length is 2.21 Å. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-7°. The Sb(1)-O(1) bond length is 2.04 Å. The Sb(1)-O(2) bond length is 2.04 Å. The Sb(1)-O(3) bond length is 2.04 Å. The Sb(1)-O(5) bond length is 2.02 Å. The Sb(1)-O(7) bond length is 2.03 Å. The Sb(1)-O(8) bond length is 2.03 Å. In the second Sb site, Sb(2) is bonded to one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-14°. The Sb(2)-O(10) bond length is 2.14 Å. The Sb(2)-O(3) bond length is 2.22 Å. The Sb(2)-O(4) bond length is 2.13 Å. The Sb(2)-O(6) bond length is 2.14 Å. The Sb(2)-O(8) bond length is 2.24 Å. The Sb(2)-O(9) bond length is 2.10 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(5), one Fe(1), one Fe(2), one Fe(3), and one Sb(1) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(6)Li4FeSb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, edges with two equivalent O(7)Li3Fe2Sb octahedra, and edges with two equivalent O(5)Li4FeSb octahedra. The corner-sharing octahedral tilt angles range from 2-8°. In the second O site, O(2) is bonded to one Li(2), one Li(4), one Fe(1), one Fe(2), one Fe(3), and one Sb(1) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra, corners with two equivalent O(8)Li4Sb2 octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, and edges with two equivalent O(7)Li3Fe2Sb octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the third O site, O(3) is bonded to one Li(1), one Li(2), one Li(3), one Li(5), one Sb(1), and one Sb(2) atom to form OLi4Sb2 octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra, edges with two equivalent O(7)Li3Fe2Sb octahedra, edges with two equivalent O(5)Li4FeSb octahedra, edges with two equivalent O(6)Li4FeSb octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. In the fourth O site, O(4) is bonded to one Li(1), one Li(3), one Li(4), one Fe(1), one Fe(3), and one Sb(2) atom to form OLi3Fe2Sb octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, edges with two equivalent O(6)Li4FeSb octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 3-13°. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Li(5), one Fe(2), and one Sb(1) atom to form OLi4FeSb octahedra that share  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(7)Li3Fe2Sb octahedra, edges with two equivalent O(3)Li4Sb2 octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(4), one Li(5), one Fe(3), and one Sb(2) atom to form OLi4FeSb octahedra that share  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(4)Li3Fe2Sb octahedra, edges with two equivalent O(3)Li4Sb2 octahedra, and edges with two equivalent O(8)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 2-8°. In the seventh O site, O(7) is bonded to one Li(2), one Li(3), one Li(5), one Fe(1), one Fe(2), and one Sb(1) atom to form OLi3Fe2Sb octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(5)Li4FeSb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(4)Li3Fe2Sb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, edges with two equivalent O(5)Li4FeSb octahedra, and edges with two equivalent O(3)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 3-17°. In the eighth O site, O(8) is bonded to one Li(1), one Li(3), one Li(4), one Li(5), one Sb(1), and one Sb(2) atom to form OLi4Sb2 octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra,  a cornercorner with one O(3)Li4Sb2 octahedra, corners with two equivalent O(2)Li2Fe3Sb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(10)Li2Fe3Sb octahedra,  an edgeedge with one O(9)Li2Fe3Sb octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra, edges with two equivalent O(4)Li3Fe2Sb octahedra, edges with two equivalent O(5)Li4FeSb octahedra, edges with two equivalent O(6)Li4FeSb octahedra, and edges with two equivalent O(3)Li4Sb2 octahedra. The corner-sharing octahedral tilt angles range from 1-17°. In the ninth O site, O(9) is bonded to one Li(2), one Li(4), one Fe(1), one Fe(2), one Fe(3), and one Sb(2) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(10)Li2Fe3Sb octahedra,  a cornercorner with one O(2)Li2Fe3Sb octahedra,  a cornercorner with one O(7)Li3Fe2Sb octahedra,  a cornercorner with one O(6)Li4FeSb octahedra, corners with two equivalent O(3)Li4Sb2 octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(5)Li4FeSb octahedra,  an edgeedge with one O(6)Li4FeSb octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(1)Li2Fe3Sb octahedra, edges with two equivalent O(10)Li2Fe3Sb octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, and edges with two equivalent O(4)Li3Fe2Sb octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the tenth O site, O(10) is bonded to one Li(1), one Li(4), one Fe(1), one Fe(2), one Fe(3), and one Sb(2) atom to form OLi2Fe3Sb octahedra that share  a cornercorner with one O(1)Li2Fe3Sb octahedra,  a cornercorner with one O(9)Li2Fe3Sb octahedra,  a cornercorner with one O(4)Li3Fe2Sb octahedra,  a cornercorner with one O(8)Li4Sb2 octahedra, corners with two equivalent O(5)Li4FeSb octahedra,  an edgeedge with one O(1)Li2Fe3Sb octahedra,  an edgeedge with one O(7)Li3Fe2Sb octahedra,  an edgeedge with one O(3)Li4Sb2 octahedra,  an edgeedge with one O(8)Li4Sb2 octahedra, edges with two equivalent O(2)Li2Fe3Sb octahedra, edges with two equivalent O(9)Li2Fe3Sb octahedra, edges with two equivalent O(4)Li3Fe2Sb octahedra, and edges with two equivalent O(6)Li4FeSb octahedra. The corner-sharing octahedral tilt angles range from 1-13°.