Cr3Mn5O16 is trigonal omega-derived structured and crystallizes in the triclinic P1 space group. There are six inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(11), one O(2), one O(3), one O(4), and one O(5) atom to form CrO6 octahedra that share  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. In the second Cr site, Cr(2) is bonded to one O(10); one O(14); one O(24); one O(8); and two equivalent O(12,13) atoms to form CrO6 octahedra that share  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. In the third Cr site, Cr(3) is bonded to one O(10); one O(16); one O(17); one O(24); and two equivalent O(12,13) atoms to form CrO6 octahedra that share  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. In the fourth Cr site, Cr(4) is bonded to one O(15), one O(18), one O(20), one O(21), one O(22), and one O(9) atom to form CrO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Mn(7)O6 octahedra, and edges with two equivalent Mn(9)O6 octahedra. In the fifth Cr site, Cr(5) is bonded to one O(15), one O(21), one O(26), one O(27), one O(28), and one O(30) atom to form CrO6 octahedra that share  an edgeedge with one Cr(4)O6 octahedra,  an edgeedge with one Cr(6)O6 octahedra,  an edgeedge with one Mn(10)O6 octahedra,  an edgeedge with one Mn(7)O6 octahedra,  an edgeedge with one Mn(8)O6 octahedra, and  an edgeedge with one Mn(9)O6 octahedra. In the sixth Cr site, Cr(6) is bonded to one O(23), one O(27), one O(29), one O(30), one O(31), and one O(32) atom to form CrO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(10)O6 octahedra, and edges with two equivalent Mn(8)O6 octahedra. There are ten inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(14); one O(16); one O(17); one O(8); and two equivalent O(12,13) atoms to form MnO6 octahedra that share  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Cr(3)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(11), one O(3), one O(5), one O(6), and one O(7) atom to form MnO6 octahedra that share  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. In the third Mn site, Mn(3) is bonded to one O(1), one O(2), one O(25), one O(31), one O(32), and one O(7) atom to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(6)O6 octahedra,  an edgeedge with one Mn(10)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and  an edgeedge with one Mn(8)O6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(17), one O(4), one O(5), one O(6), and one O(8) atom to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Mn(5)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form MnO6 octahedra that share  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. In the sixth Mn site, Mn(6) is bonded to one O(14), one O(16), one O(18), one O(19), one O(24), and one O(9) atom to form MnO6 octahedra that share  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(7)O6 octahedra, and  an edgeedge with one Mn(9)O6 octahedra. In the seventh Mn site, Mn(7) is bonded to one O(19), one O(20), one O(21), one O(22), one O(26), and one O(9) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(4)O6 octahedra, and edges with two equivalent Mn(9)O6 octahedra. In the eighth Mn site, Mn(8) is bonded to one O(23), one O(25), one O(28), one O(29), one O(30), and one O(31) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Cr(6)O6 octahedra, and edges with two equivalent Mn(10)O6 octahedra. In the ninth Mn site, Mn(9) is bonded to one O(15), one O(18), one O(19), one O(20), one O(22), and one O(26) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(4)O6 octahedra, and edges with two equivalent Mn(7)O6 octahedra. In the tenth Mn site, Mn(10) is bonded to one O(23), one O(25), one O(27), one O(28), one O(29), and one O(32) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Cr(6)O6 octahedra, and edges with two equivalent Mn(8)O6 octahedra. There are thirty-one inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(3) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(3), and one Mn(5) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(5) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(4), and one Mn(5) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(3), and one Mn(5) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Cr(2), one Mn(1), and one Mn(4) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(6), and one Mn(7) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(3), and one Mn(4) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(5) atom. In the twelfth O site, O(12,13) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(3), and one Mn(1) atom. In the thirteenth O site, O(14) is bonded in a distorted T-shaped geometry to one Cr(2), one Mn(1), and one Mn(6) atom. In the fourteenth O site, O(15) is bonded in a distorted T-shaped geometry to one Cr(4), one Cr(5), and one Mn(9) atom. In the fifteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Cr(3), one Mn(1), and one Mn(6) atom. In the sixteenth O site, O(17) is bonded in a distorted T-shaped geometry to one Cr(3), one Mn(1), and one Mn(4) atom. In the seventeenth O site, O(18) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(6), and one Mn(9) atom. In the eighteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Mn(6), one Mn(7), and one Mn(9) atom. In the nineteenth O site, O(20) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(7), and one Mn(9) atom. In the twentieth O site, O(21) is bonded in a distorted T-shaped geometry to one Cr(4), one Cr(5), and one Mn(7) atom. In the twenty-first O site, O(22) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(7), and one Mn(9) atom. In the twenty-second O site, O(23) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(10), and one Mn(8) atom. In the twenty-third O site, O(24) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(3), and one Mn(6) atom. In the twenty-fourth O site, O(25) is bonded in a distorted T-shaped geometry to one Mn(10), one Mn(3), and one Mn(8) atom. In the twenty-fifth O site, O(26) is bonded in a distorted T-shaped geometry to one Cr(5), one Mn(7), and one Mn(9) atom. In the twenty-sixth O site, O(27) is bonded in a distorted T-shaped geometry to one Cr(5), one Cr(6), and one Mn(10) atom. In the twenty-seventh O site, O(28) is bonded in a distorted T-shaped geometry to one Cr(5), one Mn(10), and one Mn(8) atom. In the twenty-eighth O site, O(29) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(10), and one Mn(8) atom. In the twenty-ninth O site, O(30) is bonded in a distorted T-shaped geometry to one Cr(5), one Cr(6), and one Mn(8) atom. In the thirtieth O site, O(31) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(3), and one Mn(8) atom. In the thirty-first O site, O(32) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(10), and one Mn(3) atom.
Cr3Mn5O16 is trigonal omega-derived structured and crystallizes in the triclinic P1 space group. There are six inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(11), one O(2), one O(3), one O(4), and one O(5) atom to form CrO6 octahedra that share  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. The Cr(1)-O(1) bond length is 1.95 Å. The Cr(1)-O(11) bond length is 1.95 Å. The Cr(1)-O(2) bond length is 1.95 Å. The Cr(1)-O(3) bond length is 1.95 Å. The Cr(1)-O(4) bond length is 1.95 Å. The Cr(1)-O(5) bond length is 1.95 Å. In the second Cr site, Cr(2) is bonded to one O(10); one O(14); one O(24); one O(8); and two equivalent O(12,13) atoms to form CrO6 octahedra that share  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The Cr(2)-O(10) bond length is 1.95 Å. The Cr(2)-O(14) bond length is 1.96 Å. The Cr(2)-O(24) bond length is 1.95 Å. The Cr(2)-O(8) bond length is 1.96 Å. Both Cr(2)-O(12,13) bond lengths are 1.94 Å. In the third Cr site, Cr(3) is bonded to one O(10); one O(16); one O(17); one O(24); and two equivalent O(12,13) atoms to form CrO6 octahedra that share  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The Cr(3)-O(10) bond length is 1.95 Å. The Cr(3)-O(16) bond length is 1.95 Å. The Cr(3)-O(17) bond length is 1.95 Å. The Cr(3)-O(24) bond length is 1.95 Å. Both Cr(3)-O(12,13) bond lengths are 1.95 Å. In the fourth Cr site, Cr(4) is bonded to one O(15), one O(18), one O(20), one O(21), one O(22), and one O(9) atom to form CrO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Mn(7)O6 octahedra, and edges with two equivalent Mn(9)O6 octahedra. The Cr(4)-O(15) bond length is 1.95 Å. The Cr(4)-O(18) bond length is 1.95 Å. The Cr(4)-O(20) bond length is 1.96 Å. The Cr(4)-O(21) bond length is 1.95 Å. The Cr(4)-O(22) bond length is 1.95 Å. The Cr(4)-O(9) bond length is 1.95 Å. In the fifth Cr site, Cr(5) is bonded to one O(15), one O(21), one O(26), one O(27), one O(28), and one O(30) atom to form CrO6 octahedra that share  an edgeedge with one Cr(4)O6 octahedra,  an edgeedge with one Cr(6)O6 octahedra,  an edgeedge with one Mn(10)O6 octahedra,  an edgeedge with one Mn(7)O6 octahedra,  an edgeedge with one Mn(8)O6 octahedra, and  an edgeedge with one Mn(9)O6 octahedra. The Cr(5)-O(15) bond length is 1.94 Å. The Cr(5)-O(21) bond length is 1.94 Å. The Cr(5)-O(26) bond length is 1.97 Å. The Cr(5)-O(27) bond length is 1.94 Å. The Cr(5)-O(28) bond length is 1.97 Å. The Cr(5)-O(30) bond length is 1.94 Å. In the sixth Cr site, Cr(6) is bonded to one O(23), one O(27), one O(29), one O(30), one O(31), and one O(32) atom to form CrO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(10)O6 octahedra, and edges with two equivalent Mn(8)O6 octahedra. The Cr(6)-O(23) bond length is 1.96 Å. The Cr(6)-O(27) bond length is 1.96 Å. The Cr(6)-O(29) bond length is 1.95 Å. The Cr(6)-O(30) bond length is 1.95 Å. The Cr(6)-O(31) bond length is 1.95 Å. The Cr(6)-O(32) bond length is 1.95 Å. There are ten inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(14); one O(16); one O(17); one O(8); and two equivalent O(12,13) atoms to form MnO6 octahedra that share  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Cr(3)O6 octahedra. The Mn(1)-O(14) bond length is 1.94 Å. The Mn(1)-O(16) bond length is 1.94 Å. The Mn(1)-O(17) bond length is 1.94 Å. The Mn(1)-O(8) bond length is 1.94 Å. Both Mn(1)-O(12,13) bond lengths are 1.94 Å. In the second Mn site, Mn(2) is bonded to one O(1), one O(11), one O(3), one O(5), one O(6), and one O(7) atom to form MnO6 octahedra that share  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. The Mn(2)-O(1) bond length is 1.94 Å. The Mn(2)-O(11) bond length is 1.94 Å. The Mn(2)-O(3) bond length is 1.94 Å. The Mn(2)-O(5) bond length is 1.94 Å. The Mn(2)-O(6) bond length is 1.95 Å. The Mn(2)-O(7) bond length is 1.95 Å. In the third Mn site, Mn(3) is bonded to one O(1), one O(2), one O(25), one O(31), one O(32), and one O(7) atom to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(6)O6 octahedra,  an edgeedge with one Mn(10)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and  an edgeedge with one Mn(8)O6 octahedra. The Mn(3)-O(1) bond length is 1.94 Å. The Mn(3)-O(2) bond length is 1.94 Å. The Mn(3)-O(25) bond length is 1.95 Å. The Mn(3)-O(31) bond length is 1.94 Å. The Mn(3)-O(32) bond length is 1.94 Å. The Mn(3)-O(7) bond length is 1.95 Å. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(17), one O(4), one O(5), one O(6), and one O(8) atom to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Mn(5)O6 octahedra. The Mn(4)-O(10) bond length is 1.94 Å. The Mn(4)-O(17) bond length is 1.95 Å. The Mn(4)-O(4) bond length is 1.94 Å. The Mn(4)-O(5) bond length is 1.94 Å. The Mn(4)-O(6) bond length is 1.95 Å. The Mn(4)-O(8) bond length is 1.94 Å. In the fifth Mn site, Mn(5) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form MnO6 octahedra that share  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The Mn(5)-O(11) bond length is 1.94 Å. The Mn(5)-O(2) bond length is 1.94 Å. The Mn(5)-O(3) bond length is 1.94 Å. The Mn(5)-O(4) bond length is 1.94 Å. The Mn(5)-O(6) bond length is 1.95 Å. The Mn(5)-O(7) bond length is 1.95 Å. In the sixth Mn site, Mn(6) is bonded to one O(14), one O(16), one O(18), one O(19), one O(24), and one O(9) atom to form MnO6 octahedra that share  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(7)O6 octahedra, and  an edgeedge with one Mn(9)O6 octahedra. The Mn(6)-O(14) bond length is 1.94 Å. The Mn(6)-O(16) bond length is 1.95 Å. The Mn(6)-O(18) bond length is 1.94 Å. The Mn(6)-O(19) bond length is 1.95 Å. The Mn(6)-O(24) bond length is 1.94 Å. The Mn(6)-O(9) bond length is 1.94 Å. In the seventh Mn site, Mn(7) is bonded to one O(19), one O(20), one O(21), one O(22), one O(26), and one O(9) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(4)O6 octahedra, and edges with two equivalent Mn(9)O6 octahedra. The Mn(7)-O(19) bond length is 1.95 Å. The Mn(7)-O(20) bond length is 1.94 Å. The Mn(7)-O(21) bond length is 1.94 Å. The Mn(7)-O(22) bond length is 1.94 Å. The Mn(7)-O(26) bond length is 1.94 Å. The Mn(7)-O(9) bond length is 1.94 Å. In the eighth Mn site, Mn(8) is bonded to one O(23), one O(25), one O(28), one O(29), one O(30), and one O(31) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Cr(6)O6 octahedra, and edges with two equivalent Mn(10)O6 octahedra. The Mn(8)-O(23) bond length is 1.94 Å. The Mn(8)-O(25) bond length is 1.95 Å. The Mn(8)-O(28) bond length is 1.94 Å. The Mn(8)-O(29) bond length is 1.94 Å. The Mn(8)-O(30) bond length is 1.94 Å. The Mn(8)-O(31) bond length is 1.94 Å. In the ninth Mn site, Mn(9) is bonded to one O(15), one O(18), one O(19), one O(20), one O(22), and one O(26) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(6)O6 octahedra, edges with two equivalent Cr(4)O6 octahedra, and edges with two equivalent Mn(7)O6 octahedra. The Mn(9)-O(15) bond length is 1.94 Å. The Mn(9)-O(18) bond length is 1.94 Å. The Mn(9)-O(19) bond length is 1.95 Å. The Mn(9)-O(20) bond length is 1.94 Å. The Mn(9)-O(22) bond length is 1.94 Å. The Mn(9)-O(26) bond length is 1.94 Å. In the tenth Mn site, Mn(10) is bonded to one O(23), one O(25), one O(27), one O(28), one O(29), and one O(32) atom to form MnO6 octahedra that share  an edgeedge with one Cr(5)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Cr(6)O6 octahedra, and edges with two equivalent Mn(8)O6 octahedra. The Mn(10)-O(23) bond length is 1.94 Å. The Mn(10)-O(25) bond length is 1.95 Å. The Mn(10)-O(27) bond length is 1.94 Å. The Mn(10)-O(28) bond length is 1.94 Å. The Mn(10)-O(29) bond length is 1.94 Å. The Mn(10)-O(32) bond length is 1.94 Å. There are thirty-one inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(3) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(3), and one Mn(5) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(5) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(4), and one Mn(5) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(3), and one Mn(5) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Cr(2), one Mn(1), and one Mn(4) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(6), and one Mn(7) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(3), and one Mn(4) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Cr(1), one Mn(2), and one Mn(5) atom. In the twelfth O site, O(12,13) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(3), and one Mn(1) atom. In the thirteenth O site, O(14) is bonded in a distorted T-shaped geometry to one Cr(2), one Mn(1), and one Mn(6) atom. In the fourteenth O site, O(15) is bonded in a distorted T-shaped geometry to one Cr(4), one Cr(5), and one Mn(9) atom. In the fifteenth O site, O(16) is bonded in a distorted T-shaped geometry to one Cr(3), one Mn(1), and one Mn(6) atom. In the sixteenth O site, O(17) is bonded in a distorted T-shaped geometry to one Cr(3), one Mn(1), and one Mn(4) atom. In the seventeenth O site, O(18) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(6), and one Mn(9) atom. In the eighteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Mn(6), one Mn(7), and one Mn(9) atom. In the nineteenth O site, O(20) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(7), and one Mn(9) atom. In the twentieth O site, O(21) is bonded in a distorted T-shaped geometry to one Cr(4), one Cr(5), and one Mn(7) atom. In the twenty-first O site, O(22) is bonded in a distorted T-shaped geometry to one Cr(4), one Mn(7), and one Mn(9) atom. In the twenty-second O site, O(23) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(10), and one Mn(8) atom. In the twenty-third O site, O(24) is bonded in a distorted T-shaped geometry to one Cr(2), one Cr(3), and one Mn(6) atom. In the twenty-fourth O site, O(25) is bonded in a distorted T-shaped geometry to one Mn(10), one Mn(3), and one Mn(8) atom. In the twenty-fifth O site, O(26) is bonded in a distorted T-shaped geometry to one Cr(5), one Mn(7), and one Mn(9) atom. In the twenty-sixth O site, O(27) is bonded in a distorted T-shaped geometry to one Cr(5), one Cr(6), and one Mn(10) atom. In the twenty-seventh O site, O(28) is bonded in a distorted T-shaped geometry to one Cr(5), one Mn(10), and one Mn(8) atom. In the twenty-eighth O site, O(29) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(10), and one Mn(8) atom. In the twenty-ninth O site, O(30) is bonded in a distorted T-shaped geometry to one Cr(5), one Cr(6), and one Mn(8) atom. In the thirtieth O site, O(31) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(3), and one Mn(8) atom. In the thirty-first O site, O(32) is bonded in a distorted T-shaped geometry to one Cr(6), one Mn(10), and one Mn(3) atom.