Fe3O4 is Hausmannite-like structured and crystallizes in the triclinic P1 space group. There are twenty-four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(13), one O(19), one O(24), one O(3), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(17)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(14), one O(16), one O(17), one O(2), one O(26), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(18)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(10), one O(11), one O(20), one O(23), one O(31), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(22)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(13), one O(20), and one O(4) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-59°. In the fifth Fe site, Fe(5) is bonded to one O(1), one O(10), one O(11), one O(17), one O(32), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(24)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(9)O6 octahedra. In the sixth Fe site, Fe(6) is bonded to one O(15), one O(16), one O(2), one O(22), one O(27), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(20)O6 octahedra. In the seventh Fe site, Fe(7) is bonded to one O(15), one O(21), one O(27), one O(28), one O(30), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(16)O4 tetrahedra,  a cornercorner with one Fe(24)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(21)O6 octahedra. In the eighth Fe site, Fe(8) is bonded to one O(18), one O(21), one O(24), one O(25), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(10)O6 octahedra. In the ninth Fe site, Fe(9) is bonded to one O(1), one O(11), one O(14), one O(17), one O(20), and one O(32) atom to form FeO6 octahedra that share  a cornercorner with one Fe(24)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(5)O6 octahedra. In the tenth Fe site, Fe(10) is bonded to one O(18), one O(21), one O(25), one O(3), one O(30), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(8)O6 octahedra. In the eleventh Fe site, Fe(11) is bonded to one O(24), one O(29), one O(3), and one O(31) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the twelfth Fe site, Fe(12) is bonded to one O(1), one O(17), one O(23), and one O(6) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-60°. In the thirteenth Fe site, Fe(13) is bonded to one O(16), one O(22), one O(30), and one O(9) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 56-62°. In the fourteenth Fe site, Fe(14) is bonded to one O(12), one O(13), one O(29), one O(31), one O(4), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(16)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(23)O6 octahedra. In the fifteenth Fe site, Fe(15) is bonded to one O(15), one O(25), one O(28), and one O(5) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-58°. In the sixteenth Fe site, Fe(16) is bonded to one O(12), one O(18), one O(19), and one O(21) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 57-63°. In the seventeenth Fe site, Fe(17) is bonded to one O(12), one O(19), one O(24), one O(25), one O(3), and one O(4) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. In the eighteenth Fe site, Fe(18) is bonded to one O(1), one O(14), one O(2), one O(22), one O(26), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. In the nineteenth Fe site, Fe(19) is bonded to one O(11), one O(2), one O(26), and one O(32) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-59°. In the twentieth Fe site, Fe(20) is bonded to one O(16), one O(22), one O(26), one O(27), one O(28), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(6)O6 octahedra. In the twenty-first Fe site, Fe(21) is bonded to one O(15), one O(18), one O(28), one O(30), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(16)O4 tetrahedra,  a cornercorner with one Fe(24)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(7)O6 octahedra. In the twenty-second Fe site, Fe(22) is bonded to one O(10), one O(20), one O(23), one O(29), one O(32), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. In the twenty-third Fe site, Fe(23) is bonded to one O(13), one O(19), one O(23), one O(29), one O(31), and one O(4) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(16)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(14)O6 octahedra. In the twenty-fourth Fe site, Fe(24) is bonded to one O(14), one O(27), one O(7), and one O(8) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-65°. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(18), one Fe(5), and one Fe(9) atom. In the second O site, O(2) is bonded to one Fe(18), one Fe(19), one Fe(2), and one Fe(6) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the third O site, O(3) is bonded to one Fe(1), one Fe(10), one Fe(11), and one Fe(17) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fourth O site, O(4) is bonded to one Fe(14), one Fe(17), one Fe(23), and one Fe(4) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Fe(1), one Fe(10), one Fe(15), and one Fe(8) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(14), one Fe(22), and one Fe(3) atom. In the seventh O site, O(7) is bonded to one Fe(20), one Fe(21), one Fe(24), and one Fe(6) atom to form distorted corner-sharing OFe4 trigonal pyramids. In the eighth O site, O(8) is bonded to one Fe(18), one Fe(2), one Fe(24), and one Fe(5) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the ninth O site, O(9) is bonded to one Fe(13), one Fe(21), one Fe(7), and one Fe(8) atom to form distorted corner-sharing OFe4 trigonal pyramids. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Fe(22), one Fe(3), one Fe(4), and one Fe(5) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Fe(19), one Fe(3), one Fe(5), and one Fe(9) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Fe(1), one Fe(14), one Fe(16), and one Fe(17) atom. In the thirteenth O site, O(13) is bonded to one Fe(1), one Fe(14), one Fe(23), and one Fe(4) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fourteenth O site, O(14) is bonded to one Fe(18), one Fe(2), one Fe(24), and one Fe(9) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Fe(15), one Fe(21), one Fe(6), and one Fe(7) atom. In the sixteenth O site, O(16) is bonded to one Fe(13), one Fe(2), one Fe(20), and one Fe(6) atom to form a mixture of distorted edge and corner-sharing OFe4 tetrahedra. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(2), one Fe(5), and one Fe(9) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(16), one Fe(21), and one Fe(8) atom. In the nineteenth O site, O(19) is bonded to one Fe(1), one Fe(16), one Fe(17), and one Fe(23) atom to form a mixture of distorted edge and corner-sharing OFe4 tetrahedra. In the twentieth O site, O(20) is bonded in a rectangular see-saw-like geometry to one Fe(22), one Fe(3), one Fe(4), and one Fe(9) atom. In the twenty-first O site, O(21) is bonded in a distorted rectangular see-saw-like geometry to one Fe(10), one Fe(16), one Fe(7), and one Fe(8) atom. In the twenty-second O site, O(22) is bonded to one Fe(13), one Fe(18), one Fe(20), and one Fe(6) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(22), one Fe(23), and one Fe(3) atom. In the twenty-fourth O site, O(24) is bonded to one Fe(1), one Fe(11), one Fe(17), and one Fe(8) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the twenty-fifth O site, O(25) is bonded in a distorted rectangular see-saw-like geometry to one Fe(10), one Fe(15), one Fe(17), and one Fe(8) atom. In the twenty-sixth O site, O(26) is bonded to one Fe(18), one Fe(19), one Fe(2), and one Fe(20) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the twenty-seventh O site, O(27) is bonded in a distorted rectangular see-saw-like geometry to one Fe(20), one Fe(24), one Fe(6), and one Fe(7) atom. In the twenty-eighth O site, O(28) is bonded in a rectangular see-saw-like geometry to one Fe(15), one Fe(20), one Fe(21), and one Fe(7) atom. In the twenty-ninth O site, O(29) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(14), one Fe(22), and one Fe(23) atom. In the thirtieth O site, O(30) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(13), one Fe(21), and one Fe(7) atom. In the thirty-first O site, O(31) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(14), one Fe(23), and one Fe(3) atom. In the thirty-second O site, O(32) is bonded in a rectangular see-saw-like geometry to one Fe(19), one Fe(22), one Fe(5), and one Fe(9) atom.
Fe3O4 is Hausmannite-like structured and crystallizes in the triclinic P1 space group. There are twenty-four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(12), one O(13), one O(19), one O(24), one O(3), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(17)O6 octahedra. The Fe(1)-O(12) bond length is 2.03 Å. The Fe(1)-O(13) bond length is 2.06 Å. The Fe(1)-O(19) bond length is 2.05 Å. The Fe(1)-O(24) bond length is 2.04 Å. The Fe(1)-O(3) bond length is 2.05 Å. The Fe(1)-O(5) bond length is 2.10 Å. In the second Fe site, Fe(2) is bonded to one O(14), one O(16), one O(17), one O(2), one O(26), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(18)O6 octahedra. The Fe(2)-O(14) bond length is 2.04 Å. The Fe(2)-O(16) bond length is 2.04 Å. The Fe(2)-O(17) bond length is 2.02 Å. The Fe(2)-O(2) bond length is 2.10 Å. The Fe(2)-O(26) bond length is 2.11 Å. The Fe(2)-O(8) bond length is 2.01 Å. In the third Fe site, Fe(3) is bonded to one O(10), one O(11), one O(20), one O(23), one O(31), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(22)O6 octahedra. The Fe(3)-O(10) bond length is 2.13 Å. The Fe(3)-O(11) bond length is 2.14 Å. The Fe(3)-O(20) bond length is 2.16 Å. The Fe(3)-O(23) bond length is 2.15 Å. The Fe(3)-O(31) bond length is 2.18 Å. The Fe(3)-O(6) bond length is 2.14 Å. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(13), one O(20), and one O(4) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-59°. The Fe(4)-O(10) bond length is 1.88 Å. The Fe(4)-O(13) bond length is 1.98 Å. The Fe(4)-O(20) bond length is 1.91 Å. The Fe(4)-O(4) bond length is 1.99 Å. In the fifth Fe site, Fe(5) is bonded to one O(1), one O(10), one O(11), one O(17), one O(32), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(24)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(9)O6 octahedra. The Fe(5)-O(1) bond length is 2.16 Å. The Fe(5)-O(10) bond length is 2.05 Å. The Fe(5)-O(11) bond length is 2.20 Å. The Fe(5)-O(17) bond length is 2.16 Å. The Fe(5)-O(32) bond length is 2.18 Å. The Fe(5)-O(8) bond length is 2.11 Å. In the sixth Fe site, Fe(6) is bonded to one O(15), one O(16), one O(2), one O(22), one O(27), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(20)O6 octahedra. The Fe(6)-O(15) bond length is 2.03 Å. The Fe(6)-O(16) bond length is 2.08 Å. The Fe(6)-O(2) bond length is 2.07 Å. The Fe(6)-O(22) bond length is 2.04 Å. The Fe(6)-O(27) bond length is 2.07 Å. The Fe(6)-O(7) bond length is 2.03 Å. In the seventh Fe site, Fe(7) is bonded to one O(15), one O(21), one O(27), one O(28), one O(30), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(16)O4 tetrahedra,  a cornercorner with one Fe(24)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(21)O6 octahedra. The Fe(7)-O(15) bond length is 2.15 Å. The Fe(7)-O(21) bond length is 2.05 Å. The Fe(7)-O(27) bond length is 2.02 Å. The Fe(7)-O(28) bond length is 2.10 Å. The Fe(7)-O(30) bond length is 2.02 Å. The Fe(7)-O(9) bond length is 2.00 Å. In the eighth Fe site, Fe(8) is bonded to one O(18), one O(21), one O(24), one O(25), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(10)O6 octahedra. The Fe(8)-O(18) bond length is 2.00 Å. The Fe(8)-O(21) bond length is 2.05 Å. The Fe(8)-O(24) bond length is 2.05 Å. The Fe(8)-O(25) bond length is 2.11 Å. The Fe(8)-O(5) bond length is 2.13 Å. The Fe(8)-O(9) bond length is 2.01 Å. In the ninth Fe site, Fe(9) is bonded to one O(1), one O(11), one O(14), one O(17), one O(20), and one O(32) atom to form FeO6 octahedra that share  a cornercorner with one Fe(24)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(5)O6 octahedra. The Fe(9)-O(1) bond length is 2.09 Å. The Fe(9)-O(11) bond length is 2.04 Å. The Fe(9)-O(14) bond length is 2.05 Å. The Fe(9)-O(17) bond length is 2.12 Å. The Fe(9)-O(20) bond length is 2.03 Å. The Fe(9)-O(32) bond length is 2.03 Å. In the tenth Fe site, Fe(10) is bonded to one O(18), one O(21), one O(25), one O(3), one O(30), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(8)O6 octahedra. The Fe(10)-O(18) bond length is 2.01 Å. The Fe(10)-O(21) bond length is 2.04 Å. The Fe(10)-O(25) bond length is 2.11 Å. The Fe(10)-O(3) bond length is 2.06 Å. The Fe(10)-O(30) bond length is 2.03 Å. The Fe(10)-O(5) bond length is 2.13 Å. In the eleventh Fe site, Fe(11) is bonded to one O(24), one O(29), one O(3), and one O(31) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 54-63°. The Fe(11)-O(24) bond length is 2.08 Å. The Fe(11)-O(29) bond length is 1.99 Å. The Fe(11)-O(3) bond length is 2.09 Å. The Fe(11)-O(31) bond length is 1.98 Å. In the twelfth Fe site, Fe(12) is bonded to one O(1), one O(17), one O(23), and one O(6) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-60°. The Fe(12)-O(1) bond length is 1.95 Å. The Fe(12)-O(17) bond length is 1.93 Å. The Fe(12)-O(23) bond length is 1.92 Å. The Fe(12)-O(6) bond length is 1.91 Å. In the thirteenth Fe site, Fe(13) is bonded to one O(16), one O(22), one O(30), and one O(9) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 56-62°. The Fe(13)-O(16) bond length is 2.05 Å. The Fe(13)-O(22) bond length is 2.04 Å. The Fe(13)-O(30) bond length is 2.01 Å. The Fe(13)-O(9) bond length is 2.00 Å. In the fourteenth Fe site, Fe(14) is bonded to one O(12), one O(13), one O(29), one O(31), one O(4), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(16)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(23)O6 octahedra. The Fe(14)-O(12) bond length is 2.07 Å. The Fe(14)-O(13) bond length is 2.10 Å. The Fe(14)-O(29) bond length is 2.02 Å. The Fe(14)-O(31) bond length is 2.02 Å. The Fe(14)-O(4) bond length is 2.12 Å. The Fe(14)-O(6) bond length is 2.01 Å. In the fifteenth Fe site, Fe(15) is bonded to one O(15), one O(25), one O(28), and one O(5) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-58°. The Fe(15)-O(15) bond length is 1.92 Å. The Fe(15)-O(25) bond length is 1.96 Å. The Fe(15)-O(28) bond length is 1.93 Å. The Fe(15)-O(5) bond length is 1.95 Å. In the sixteenth Fe site, Fe(16) is bonded to one O(12), one O(18), one O(19), and one O(21) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 57-63°. The Fe(16)-O(12) bond length is 2.03 Å. The Fe(16)-O(18) bond length is 2.04 Å. The Fe(16)-O(19) bond length is 2.04 Å. The Fe(16)-O(21) bond length is 2.06 Å. In the seventeenth Fe site, Fe(17) is bonded to one O(12), one O(19), one O(24), one O(25), one O(3), and one O(4) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(4)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(16)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. The Fe(17)-O(12) bond length is 2.04 Å. The Fe(17)-O(19) bond length is 2.03 Å. The Fe(17)-O(24) bond length is 2.05 Å. The Fe(17)-O(25) bond length is 2.11 Å. The Fe(17)-O(3) bond length is 2.04 Å. The Fe(17)-O(4) bond length is 2.06 Å. In the eighteenth Fe site, Fe(18) is bonded to one O(1), one O(14), one O(2), one O(22), one O(26), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(13)O4 tetrahedra, corners with two equivalent Fe(19)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The Fe(18)-O(1) bond length is 2.04 Å. The Fe(18)-O(14) bond length is 2.05 Å. The Fe(18)-O(2) bond length is 2.09 Å. The Fe(18)-O(22) bond length is 2.04 Å. The Fe(18)-O(26) bond length is 2.08 Å. The Fe(18)-O(8) bond length is 2.00 Å. In the nineteenth Fe site, Fe(19) is bonded to one O(11), one O(2), one O(26), and one O(32) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-59°. The Fe(19)-O(11) bond length is 1.90 Å. The Fe(19)-O(2) bond length is 1.96 Å. The Fe(19)-O(26) bond length is 1.98 Å. The Fe(19)-O(32) bond length is 1.91 Å. In the twentieth Fe site, Fe(20) is bonded to one O(16), one O(22), one O(26), one O(27), one O(28), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Fe(15)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(24)O4 tetrahedra,  an edgeedge with one Fe(18)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(21)O6 octahedra,  an edgeedge with one Fe(7)O6 octahedra, and edges with two equivalent Fe(6)O6 octahedra. The Fe(20)-O(16) bond length is 1.99 Å. The Fe(20)-O(22) bond length is 2.02 Å. The Fe(20)-O(26) bond length is 2.03 Å. The Fe(20)-O(27) bond length is 2.01 Å. The Fe(20)-O(28) bond length is 2.02 Å. The Fe(20)-O(7) bond length is 1.95 Å. In the twenty-first Fe site, Fe(21) is bonded to one O(15), one O(18), one O(28), one O(30), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(16)O4 tetrahedra,  a cornercorner with one Fe(24)O4 tetrahedra, corners with two equivalent Fe(13)O4 tetrahedra, corners with two equivalent Fe(15)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(20)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra, and edges with two equivalent Fe(7)O6 octahedra. The Fe(21)-O(15) bond length is 2.12 Å. The Fe(21)-O(18) bond length is 2.07 Å. The Fe(21)-O(28) bond length is 2.12 Å. The Fe(21)-O(30) bond length is 2.11 Å. The Fe(21)-O(7) bond length is 2.08 Å. The Fe(21)-O(9) bond length is 2.09 Å. In the twenty-second Fe site, Fe(22) is bonded to one O(10), one O(20), one O(23), one O(29), one O(32), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(19)O4 tetrahedra, corners with two equivalent Fe(12)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(14)O6 octahedra,  an edgeedge with one Fe(23)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Fe(9)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. The Fe(22)-O(10) bond length is 2.15 Å. The Fe(22)-O(20) bond length is 2.17 Å. The Fe(22)-O(23) bond length is 2.16 Å. The Fe(22)-O(29) bond length is 2.16 Å. The Fe(22)-O(32) bond length is 2.13 Å. The Fe(22)-O(6) bond length is 2.15 Å. In the twenty-third Fe site, Fe(23) is bonded to one O(13), one O(19), one O(23), one O(29), one O(31), and one O(4) atom to form FeO6 octahedra that share  a cornercorner with one Fe(12)O4 tetrahedra,  a cornercorner with one Fe(16)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(17)O6 octahedra,  an edgeedge with one Fe(22)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and edges with two equivalent Fe(14)O6 octahedra. The Fe(23)-O(13) bond length is 2.12 Å. The Fe(23)-O(19) bond length is 2.08 Å. The Fe(23)-O(23) bond length is 2.02 Å. The Fe(23)-O(29) bond length is 2.02 Å. The Fe(23)-O(31) bond length is 2.01 Å. The Fe(23)-O(4) bond length is 2.12 Å. In the twenty-fourth Fe site, Fe(24) is bonded to one O(14), one O(27), one O(7), and one O(8) atom to form corner-sharing FeO4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-65°. The Fe(24)-O(14) bond length is 2.09 Å. The Fe(24)-O(27) bond length is 2.02 Å. The Fe(24)-O(7) bond length is 2.04 Å. The Fe(24)-O(8) bond length is 2.04 Å. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(18), one Fe(5), and one Fe(9) atom. In the second O site, O(2) is bonded to one Fe(18), one Fe(19), one Fe(2), and one Fe(6) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the third O site, O(3) is bonded to one Fe(1), one Fe(10), one Fe(11), and one Fe(17) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fourth O site, O(4) is bonded to one Fe(14), one Fe(17), one Fe(23), and one Fe(4) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Fe(1), one Fe(10), one Fe(15), and one Fe(8) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(14), one Fe(22), and one Fe(3) atom. In the seventh O site, O(7) is bonded to one Fe(20), one Fe(21), one Fe(24), and one Fe(6) atom to form distorted corner-sharing OFe4 trigonal pyramids. In the eighth O site, O(8) is bonded to one Fe(18), one Fe(2), one Fe(24), and one Fe(5) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the ninth O site, O(9) is bonded to one Fe(13), one Fe(21), one Fe(7), and one Fe(8) atom to form distorted corner-sharing OFe4 trigonal pyramids. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Fe(22), one Fe(3), one Fe(4), and one Fe(5) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Fe(19), one Fe(3), one Fe(5), and one Fe(9) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Fe(1), one Fe(14), one Fe(16), and one Fe(17) atom. In the thirteenth O site, O(13) is bonded to one Fe(1), one Fe(14), one Fe(23), and one Fe(4) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fourteenth O site, O(14) is bonded to one Fe(18), one Fe(2), one Fe(24), and one Fe(9) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Fe(15), one Fe(21), one Fe(6), and one Fe(7) atom. In the sixteenth O site, O(16) is bonded to one Fe(13), one Fe(2), one Fe(20), and one Fe(6) atom to form a mixture of distorted edge and corner-sharing OFe4 tetrahedra. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(2), one Fe(5), and one Fe(9) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(16), one Fe(21), and one Fe(8) atom. In the nineteenth O site, O(19) is bonded to one Fe(1), one Fe(16), one Fe(17), and one Fe(23) atom to form a mixture of distorted edge and corner-sharing OFe4 tetrahedra. In the twentieth O site, O(20) is bonded in a rectangular see-saw-like geometry to one Fe(22), one Fe(3), one Fe(4), and one Fe(9) atom. In the twenty-first O site, O(21) is bonded in a distorted rectangular see-saw-like geometry to one Fe(10), one Fe(16), one Fe(7), and one Fe(8) atom. In the twenty-second O site, O(22) is bonded to one Fe(13), one Fe(18), one Fe(20), and one Fe(6) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Fe(12), one Fe(22), one Fe(23), and one Fe(3) atom. In the twenty-fourth O site, O(24) is bonded to one Fe(1), one Fe(11), one Fe(17), and one Fe(8) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the twenty-fifth O site, O(25) is bonded in a distorted rectangular see-saw-like geometry to one Fe(10), one Fe(15), one Fe(17), and one Fe(8) atom. In the twenty-sixth O site, O(26) is bonded to one Fe(18), one Fe(19), one Fe(2), and one Fe(20) atom to form a mixture of distorted edge and corner-sharing OFe4 trigonal pyramids. In the twenty-seventh O site, O(27) is bonded in a distorted rectangular see-saw-like geometry to one Fe(20), one Fe(24), one Fe(6), and one Fe(7) atom. In the twenty-eighth O site, O(28) is bonded in a rectangular see-saw-like geometry to one Fe(15), one Fe(20), one Fe(21), and one Fe(7) atom. In the twenty-ninth O site, O(29) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(14), one Fe(22), and one Fe(23) atom. In the thirtieth O site, O(30) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(13), one Fe(21), and one Fe(7) atom. In the thirty-first O site, O(31) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(14), one Fe(23), and one Fe(3) atom. In the thirty-second O site, O(32) is bonded in a rectangular see-saw-like geometry to one Fe(19), one Fe(22), one Fe(5), and one Fe(9) atom.