Fe13Cu5O24 is Spinel-like structured and crystallizes in the triclinic P1 space group. There are thirteen inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(21), one O(22), one O(3), and one O(4) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(10)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Cu(5)O6 octahedra, corners with two equivalent Fe(12)O6 octahedra, corners with two equivalent Fe(13)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, and corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. In the second Fe site, Fe(2) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(12)O6 octahedra,  a cornercorner with one Fe(13)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one Cu(3)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, and corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. In the third Fe site, Fe(3) is bonded to one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. In the fifth Fe site, Fe(5) is bonded to one O(11), one O(12), one O(5), and one O(6) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(8)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  a cornercorner with one Cu(4)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, and corners with two equivalent Cu(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-64°. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(11), one O(12), one O(13), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Cu(3)O6 octahedra. In the seventh Fe site, Fe(7) is bonded to one O(10), one O(15), one O(16), and one O(9) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(10)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Cu(5)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, corners with two equivalent Fe(8)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra, and corners with two equivalent Cu(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. In the eighth Fe site, Fe(8) is bonded to one O(11), one O(13), one O(14), one O(15), one O(16), and one O(18) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Cu(4)O6 octahedra. In the ninth Fe site, Fe(9) is bonded to one O(13), one O(14), one O(19), and one O(20) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(12)O6 octahedra,  a cornercorner with one Fe(13)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one Cu(3)O6 octahedra, corners with two equivalent Fe(10)O6 octahedra, corners with two equivalent Fe(8)O6 octahedra, corners with two equivalent Cu(4)O6 octahedra, and corners with two equivalent Cu(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-62°. In the tenth Fe site, Fe(10) is bonded to one O(16), one O(17), one O(18), one O(19), one O(20), and one O(21) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Cu(5)O6 octahedra. In the eleventh Fe site, Fe(11) is bonded to one O(17), one O(18), one O(23), and one O(24) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(8)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  a cornercorner with one Cu(4)O6 octahedra, corners with two equivalent Fe(10)O6 octahedra, corners with two equivalent Fe(12)O6 octahedra, corners with two equivalent Fe(13)O6 octahedra, and corners with two equivalent Cu(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-64°. In the twelfth Fe site, Fe(12) is bonded to one O(1), one O(19), one O(21), one O(22), one O(23), and one O(24) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Fe(13)O6 octahedra. In the thirteenth Fe site, Fe(13) is bonded to one O(2), one O(20), one O(21), one O(22), one O(23), and one O(24) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Fe(12)O6 octahedra. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(2), one O(23), one O(3), one O(4), and one O(6) atom to form CuO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and edges with two equivalent Cu(2)O6 octahedra. In the second Cu site, Cu(2) is bonded to one O(1), one O(2), one O(24), one O(3), one O(4), and one O(5) atom to form CuO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and edges with two equivalent Cu(1)O6 octahedra. In the third Cu site, Cu(3) is bonded to one O(10), one O(11), one O(12), one O(14), one O(8), and one O(9) atom to form CuO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Fe(6)O6 octahedra. In the fourth Cu site, Cu(4) is bonded to one O(12), one O(13), one O(14), one O(15), one O(16), and one O(17) atom to form CuO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Fe(8)O6 octahedra. In the fifth Cu site, Cu(5) is bonded to one O(15), one O(17), one O(18), one O(19), one O(20), and one O(22) atom to form CuO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Fe(10)O6 octahedra. There are twenty-four 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(2), one Cu(1), and one Cu(2) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Fe(13), one Fe(2), one Cu(1), and one Cu(2) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(3), one Cu(1), and one Cu(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(4), one Cu(1), and one Cu(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Fe(3), one Fe(4), one Fe(5), and one Cu(2) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Fe(3), one Fe(4), one Fe(5), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Fe(2), one Fe(3), one Fe(4), and one Fe(6) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Fe(2), one Fe(3), one Fe(4), and one Cu(3) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Fe(3), one Fe(6), one Fe(7), and one Cu(3) atom. In the tenth O site, O(10) is bonded to one Fe(4), one Fe(6), one Fe(7), and one Cu(3) atom to form distorted corner-sharing OFe3Cu trigonal pyramids. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Fe(5), one Fe(6), one Fe(8), and one Cu(3) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Fe(5), one Fe(6), one Cu(3), and one Cu(4) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Fe(6), one Fe(8), one Fe(9), and one Cu(4) atom. In the fourteenth O site, O(14) is bonded to one Fe(8), one Fe(9), one Cu(3), and one Cu(4) atom to form distorted OFe2Cu2 trigonal pyramids that share  a cornercorner with one O(10)Fe3Cu trigonal pyramid,  a cornercorner with one O(19)Fe3Cu trigonal pyramid, and corners with two equivalent O(15)Fe2Cu2 trigonal pyramids. In the fifteenth O site, O(15) is bonded to one Fe(7), one Fe(8), one Cu(4), and one Cu(5) atom to form distorted OFe2Cu2 trigonal pyramids that share  a cornercorner with one O(10)Fe3Cu trigonal pyramid,  a cornercorner with one O(19)Fe3Cu trigonal pyramid, and corners with two equivalent O(14)Fe2Cu2 trigonal pyramids. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(7), one Fe(8), and one Cu(4) atom. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(11), one Cu(4), and one Cu(5) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(11), one Fe(8), and one Cu(5) atom. In the nineteenth O site, O(19) is bonded to one Fe(10), one Fe(12), one Fe(9), and one Cu(5) atom to form distorted OFe3Cu trigonal pyramids that share  a cornercorner with one O(14)Fe2Cu2 trigonal pyramid,  a cornercorner with one O(15)Fe2Cu2 trigonal pyramid, and  an edgeedge with one O(21)Fe4 trigonal pyramid. In the twentieth O site, O(20) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(13), one Fe(9), and one Cu(5) atom. In the twenty-first O site, O(21) is bonded to one Fe(1), one Fe(10), one Fe(12), and one Fe(13) atom to form distorted edge-sharing OFe4 trigonal pyramids. In the twenty-second O site, O(22) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(12), one Fe(13), and one Cu(5) atom. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(12), one Fe(13), and one Cu(1) atom. In the twenty-fourth O site, O(24) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(12), one Fe(13), and one Cu(2) atom.
Fe13Cu5O24 is Spinel-like structured and crystallizes in the triclinic P1 space group. There are thirteen inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(21), one O(22), one O(3), and one O(4) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(10)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Cu(5)O6 octahedra, corners with two equivalent Fe(12)O6 octahedra, corners with two equivalent Fe(13)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, and corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. The Fe(1)-O(21) bond length is 2.00 Å. The Fe(1)-O(22) bond length is 1.97 Å. The Fe(1)-O(3) bond length is 1.92 Å. The Fe(1)-O(4) bond length is 1.89 Å. In the second Fe site, Fe(2) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(12)O6 octahedra,  a cornercorner with one Fe(13)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one Cu(3)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, and corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. The Fe(2)-O(1) bond length is 1.90 Å. The Fe(2)-O(2) bond length is 1.92 Å. The Fe(2)-O(7) bond length is 1.99 Å. The Fe(2)-O(8) bond length is 1.96 Å. In the third Fe site, Fe(3) is bonded to one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. The Fe(3)-O(3) bond length is 2.04 Å. The Fe(3)-O(5) bond length is 2.08 Å. The Fe(3)-O(6) bond length is 2.03 Å. The Fe(3)-O(7) bond length is 2.08 Å. The Fe(3)-O(8) bond length is 2.07 Å. The Fe(3)-O(9) bond length is 2.05 Å. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. The Fe(4)-O(10) bond length is 2.05 Å. The Fe(4)-O(4) bond length is 2.00 Å. The Fe(4)-O(5) bond length is 2.06 Å. The Fe(4)-O(6) bond length is 2.04 Å. The Fe(4)-O(7) bond length is 2.09 Å. The Fe(4)-O(8) bond length is 2.06 Å. In the fifth Fe site, Fe(5) is bonded to one O(11), one O(12), one O(5), and one O(6) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(8)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  a cornercorner with one Cu(4)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, and corners with two equivalent Cu(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-64°. The Fe(5)-O(11) bond length is 1.92 Å. The Fe(5)-O(12) bond length is 1.93 Å. The Fe(5)-O(5) bond length is 1.96 Å. The Fe(5)-O(6) bond length is 1.92 Å. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(11), one O(12), one O(13), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Cu(3)O6 octahedra. The Fe(6)-O(10) bond length is 2.06 Å. The Fe(6)-O(11) bond length is 2.04 Å. The Fe(6)-O(12) bond length is 2.05 Å. The Fe(6)-O(13) bond length is 2.02 Å. The Fe(6)-O(7) bond length is 2.11 Å. The Fe(6)-O(9) bond length is 2.01 Å. In the seventh Fe site, Fe(7) is bonded to one O(10), one O(15), one O(16), and one O(9) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(10)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Cu(5)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, corners with two equivalent Fe(8)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra, and corners with two equivalent Cu(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. The Fe(7)-O(10) bond length is 1.95 Å. The Fe(7)-O(15) bond length is 1.94 Å. The Fe(7)-O(16) bond length is 1.92 Å. The Fe(7)-O(9) bond length is 1.93 Å. In the eighth Fe site, Fe(8) is bonded to one O(11), one O(13), one O(14), one O(15), one O(16), and one O(18) atom to form FeO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Cu(4)O6 octahedra. The Fe(8)-O(11) bond length is 2.03 Å. The Fe(8)-O(13) bond length is 2.04 Å. The Fe(8)-O(14) bond length is 2.07 Å. The Fe(8)-O(15) bond length is 2.07 Å. The Fe(8)-O(16) bond length is 2.03 Å. The Fe(8)-O(18) bond length is 2.03 Å. In the ninth Fe site, Fe(9) is bonded to one O(13), one O(14), one O(19), and one O(20) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(12)O6 octahedra,  a cornercorner with one Fe(13)O6 octahedra,  a cornercorner with one Fe(6)O6 octahedra,  a cornercorner with one Cu(3)O6 octahedra, corners with two equivalent Fe(10)O6 octahedra, corners with two equivalent Fe(8)O6 octahedra, corners with two equivalent Cu(4)O6 octahedra, and corners with two equivalent Cu(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-62°. The Fe(9)-O(13) bond length is 1.91 Å. The Fe(9)-O(14) bond length is 1.93 Å. The Fe(9)-O(19) bond length is 1.96 Å. The Fe(9)-O(20) bond length is 1.93 Å. In the tenth Fe site, Fe(10) is bonded to one O(16), one O(17), one O(18), one O(19), one O(20), and one O(21) atom to form FeO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Cu(5)O6 octahedra. The Fe(10)-O(16) bond length is 2.02 Å. The Fe(10)-O(17) bond length is 2.05 Å. The Fe(10)-O(18) bond length is 2.03 Å. The Fe(10)-O(19) bond length is 2.06 Å. The Fe(10)-O(20) bond length is 2.01 Å. The Fe(10)-O(21) bond length is 2.10 Å. In the eleventh Fe site, Fe(11) is bonded to one O(17), one O(18), one O(23), and one O(24) atom to form FeO4 tetrahedra that share  a cornercorner with one Fe(8)O6 octahedra,  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra,  a cornercorner with one Cu(4)O6 octahedra, corners with two equivalent Fe(10)O6 octahedra, corners with two equivalent Fe(12)O6 octahedra, corners with two equivalent Fe(13)O6 octahedra, and corners with two equivalent Cu(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-64°. The Fe(11)-O(17) bond length is 1.92 Å. The Fe(11)-O(18) bond length is 1.92 Å. The Fe(11)-O(23) bond length is 1.92 Å. The Fe(11)-O(24) bond length is 1.96 Å. In the twelfth Fe site, Fe(12) is bonded to one O(1), one O(19), one O(21), one O(22), one O(23), and one O(24) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Fe(13)O6 octahedra. The Fe(12)-O(1) bond length is 2.01 Å. The Fe(12)-O(19) bond length is 2.05 Å. The Fe(12)-O(21) bond length is 2.09 Å. The Fe(12)-O(22) bond length is 2.06 Å. The Fe(12)-O(23) bond length is 2.04 Å. The Fe(12)-O(24) bond length is 2.06 Å. In the thirteenth Fe site, Fe(13) is bonded to one O(2), one O(20), one O(21), one O(22), one O(23), and one O(24) atom to form FeO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Fe(12)O6 octahedra. The Fe(13)-O(2) bond length is 2.04 Å. The Fe(13)-O(20) bond length is 2.05 Å. The Fe(13)-O(21) bond length is 2.08 Å. The Fe(13)-O(22) bond length is 2.07 Å. The Fe(13)-O(23) bond length is 2.02 Å. The Fe(13)-O(24) bond length is 2.08 Å. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(2), one O(23), one O(3), one O(4), and one O(6) atom to form CuO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and edges with two equivalent Cu(2)O6 octahedra. The Cu(1)-O(1) bond length is 2.08 Å. The Cu(1)-O(2) bond length is 2.05 Å. The Cu(1)-O(23) bond length is 2.26 Å. The Cu(1)-O(3) bond length is 2.05 Å. The Cu(1)-O(4) bond length is 2.11 Å. The Cu(1)-O(6) bond length is 2.26 Å. In the second Cu site, Cu(2) is bonded to one O(1), one O(2), one O(24), one O(3), one O(4), and one O(5) atom to form CuO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Fe(2)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and edges with two equivalent Cu(1)O6 octahedra. The Cu(2)-O(1) bond length is 2.20 Å. The Cu(2)-O(2) bond length is 2.11 Å. The Cu(2)-O(24) bond length is 2.04 Å. The Cu(2)-O(3) bond length is 2.12 Å. The Cu(2)-O(4) bond length is 2.22 Å. The Cu(2)-O(5) bond length is 2.05 Å. In the third Cu site, Cu(3) is bonded to one O(10), one O(11), one O(12), one O(14), one O(8), and one O(9) atom to form CuO6 octahedra that share  a cornercorner with one Fe(2)O4 tetrahedra,  a cornercorner with one Fe(9)O4 tetrahedra, corners with two equivalent Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Fe(6)O6 octahedra. The Cu(3)-O(10) bond length is 2.02 Å. The Cu(3)-O(11) bond length is 2.32 Å. The Cu(3)-O(12) bond length is 2.00 Å. The Cu(3)-O(14) bond length is 2.02 Å. The Cu(3)-O(8) bond length is 2.05 Å. The Cu(3)-O(9) bond length is 2.31 Å. In the fourth Cu site, Cu(4) is bonded to one O(12), one O(13), one O(14), one O(15), one O(16), and one O(17) atom to form CuO6 octahedra that share  a cornercorner with one Fe(11)O4 tetrahedra,  a cornercorner with one Fe(5)O4 tetrahedra, corners with two equivalent Fe(7)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(10)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra,  an edgeedge with one Cu(3)O6 octahedra,  an edgeedge with one Cu(5)O6 octahedra, and edges with two equivalent Fe(8)O6 octahedra. The Cu(4)-O(12) bond length is 2.06 Å. The Cu(4)-O(13) bond length is 2.31 Å. The Cu(4)-O(14) bond length is 2.00 Å. The Cu(4)-O(15) bond length is 2.00 Å. The Cu(4)-O(16) bond length is 2.32 Å. The Cu(4)-O(17) bond length is 2.05 Å. In the fifth Cu site, Cu(5) is bonded to one O(15), one O(17), one O(18), one O(19), one O(20), and one O(22) atom to form CuO6 octahedra that share  a cornercorner with one Fe(1)O4 tetrahedra,  a cornercorner with one Fe(7)O4 tetrahedra, corners with two equivalent Fe(11)O4 tetrahedra, corners with two equivalent Fe(9)O4 tetrahedra,  an edgeedge with one Fe(12)O6 octahedra,  an edgeedge with one Fe(13)O6 octahedra,  an edgeedge with one Fe(8)O6 octahedra,  an edgeedge with one Cu(4)O6 octahedra, and edges with two equivalent Fe(10)O6 octahedra. The Cu(5)-O(15) bond length is 2.02 Å. The Cu(5)-O(17) bond length is 2.00 Å. The Cu(5)-O(18) bond length is 2.31 Å. The Cu(5)-O(19) bond length is 2.02 Å. The Cu(5)-O(20) bond length is 2.30 Å. The Cu(5)-O(22) bond length is 2.04 Å. There are twenty-four 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(2), one Cu(1), and one Cu(2) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Fe(13), one Fe(2), one Cu(1), and one Cu(2) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(3), one Cu(1), and one Cu(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(4), one Cu(1), and one Cu(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Fe(3), one Fe(4), one Fe(5), and one Cu(2) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Fe(3), one Fe(4), one Fe(5), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Fe(2), one Fe(3), one Fe(4), and one Fe(6) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Fe(2), one Fe(3), one Fe(4), and one Cu(3) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Fe(3), one Fe(6), one Fe(7), and one Cu(3) atom. In the tenth O site, O(10) is bonded to one Fe(4), one Fe(6), one Fe(7), and one Cu(3) atom to form distorted corner-sharing OFe3Cu trigonal pyramids. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Fe(5), one Fe(6), one Fe(8), and one Cu(3) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Fe(5), one Fe(6), one Cu(3), and one Cu(4) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Fe(6), one Fe(8), one Fe(9), and one Cu(4) atom. In the fourteenth O site, O(14) is bonded to one Fe(8), one Fe(9), one Cu(3), and one Cu(4) atom to form distorted OFe2Cu2 trigonal pyramids that share  a cornercorner with one O(10)Fe3Cu trigonal pyramid,  a cornercorner with one O(19)Fe3Cu trigonal pyramid, and corners with two equivalent O(15)Fe2Cu2 trigonal pyramids. In the fifteenth O site, O(15) is bonded to one Fe(7), one Fe(8), one Cu(4), and one Cu(5) atom to form distorted OFe2Cu2 trigonal pyramids that share  a cornercorner with one O(10)Fe3Cu trigonal pyramid,  a cornercorner with one O(19)Fe3Cu trigonal pyramid, and corners with two equivalent O(14)Fe2Cu2 trigonal pyramids. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(7), one Fe(8), and one Cu(4) atom. In the seventeenth O site, O(17) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(11), one Cu(4), and one Cu(5) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(11), one Fe(8), and one Cu(5) atom. In the nineteenth O site, O(19) is bonded to one Fe(10), one Fe(12), one Fe(9), and one Cu(5) atom to form distorted OFe3Cu trigonal pyramids that share  a cornercorner with one O(14)Fe2Cu2 trigonal pyramid,  a cornercorner with one O(15)Fe2Cu2 trigonal pyramid, and  an edgeedge with one O(21)Fe4 trigonal pyramid. In the twentieth O site, O(20) is bonded in a rectangular see-saw-like geometry to one Fe(10), one Fe(13), one Fe(9), and one Cu(5) atom. In the twenty-first O site, O(21) is bonded to one Fe(1), one Fe(10), one Fe(12), and one Fe(13) atom to form distorted edge-sharing OFe4 trigonal pyramids. In the twenty-second O site, O(22) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(12), one Fe(13), and one Cu(5) atom. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(12), one Fe(13), and one Cu(1) atom. In the twenty-fourth O site, O(24) is bonded in a rectangular see-saw-like geometry to one Fe(11), one Fe(12), one Fe(13), and one Cu(2) atom.