ZnMn2O4 is Spinel-like structured and crystallizes in the monoclinic Cm space group. There are nine inequivalent Mn sites. In the first Mn site, Mn(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 MnO6 octahedra that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(9)O4 tetrahedra, corners with two equivalent Mn(7)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Zn(3)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(2), one O(9), and two equivalent O(4) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with three equivalent Zn(2)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-62°. In the third Mn site, Mn(3) is bonded to one O(16), one O(3), two equivalent O(1), and two equivalent O(17) atoms to form MnO6 octahedra that share corners with three equivalent Mn(9)O4 tetrahedra, corners with three equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Zn(3)O6 octahedra,  an edgeedge with one Zn(6)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(6)O6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(12), one O(14), one O(4), one O(6), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mn(5)O4 tetrahedra,  a cornercorner with one Mn(7)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra, corners with two equivalent Mn(8)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Zn(5)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to one O(15), one O(6), and two equivalent O(10) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(5)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(6)O6 octahedra, corners with three equivalent Zn(4)O6 octahedra, and corners with four equivalent Mn(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-63°. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(13), one O(15), one O(16), one O(17), and one O(18) atom to form MnO6 octahedra that share  a cornercorner with one Mn(8)O4 tetrahedra,  a cornercorner with one Zn(1)O4 tetrahedra, corners with two equivalent Mn(5)O4 tetrahedra, corners with two equivalent Mn(9)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, edges with two equivalent Mn(6)O6 octahedra, and edges with two equivalent Zn(6)O6 octahedra. In the seventh Mn site, Mn(7) is bonded to one O(14), one O(5), and two equivalent O(7) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(5)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(3)O6 octahedra, corners with three equivalent Zn(2)O6 octahedra, and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. In the eighth Mn site, Mn(8) is bonded to one O(11), one O(18), and two equivalent O(12) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(6)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with three equivalent Zn(4)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-62°. In the ninth Mn site, Mn(9) is bonded to one O(16), one O(8), and two equivalent O(17) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Zn(6)O6 octahedra, corners with three equivalent Mn(3)O6 octahedra, and corners with four equivalent Mn(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. There are six inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(13), one O(3), and two equivalent O(1) atoms to form ZnO4 tetrahedra that share  a cornercorner with one Zn(6)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with two equivalent Zn(3)O6 octahedra, corners with three equivalent Mn(3)O6 octahedra, and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-62°. In the second Zn site, Zn(2) is bonded to one O(5), one O(9), two equivalent O(4), and two equivalent O(7) atoms to form ZnO6 octahedra that share corners with three equivalent Mn(2)O4 tetrahedra, corners with three equivalent Mn(7)O4 tetrahedra,  an edgeedge with one Zn(3)O6 octahedra,  an edgeedge with one Zn(5)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. In the third Zn site, Zn(3) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(7) atoms to form ZnO6 octahedra that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(9)O4 tetrahedra, corners with two equivalent Mn(7)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(2)O6 octahedra, and edges with four equivalent Mn(1)O6 octahedra. In the fourth Zn site, Zn(4) is bonded to one O(11), one O(15), two equivalent O(10), and two equivalent O(12) atoms to form ZnO6 octahedra that share corners with three equivalent Mn(5)O4 tetrahedra, corners with three equivalent Mn(8)O4 tetrahedra,  an edgeedge with one Zn(5)O6 octahedra,  an edgeedge with one Zn(6)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(6)O6 octahedra. In the fifth Zn site, Zn(5) is bonded to one O(14), one O(6), two equivalent O(12), and two equivalent O(4) atoms to form ZnO6 octahedra that share  a cornercorner with one Mn(5)O4 tetrahedra,  a cornercorner with one Mn(7)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra, corners with two equivalent Mn(8)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, and edges with four equivalent Mn(4)O6 octahedra. In the sixth Zn site, Zn(6) is bonded to one O(13), one O(18), two equivalent O(10), and two equivalent O(17) atoms to form ZnO6 octahedra that share  a cornercorner with one Mn(8)O4 tetrahedra,  a cornercorner with one Zn(1)O4 tetrahedra, corners with two equivalent Mn(5)O4 tetrahedra, corners with two equivalent Mn(9)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, and edges with four equivalent Mn(6)O6 octahedra. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(3), one Zn(1), and one Zn(3) atom to form distorted OMn2Zn2 trigonal pyramids that share  a cornercorner with one O(1)Mn2Zn2 trigonal pyramid,  a cornercorner with one O(16)Mn4 trigonal pyramid, corners with two equivalent O(17)Mn3Zn trigonal pyramids, and  an edgeedge with one O(1)Mn2Zn2 trigonal pyramid. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(1), and one Zn(3) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Mn(3), two equivalent Mn(1), and one Zn(1) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mn(2), one Mn(4), one Zn(2), and one Zn(5) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Mn(7), two equivalent Mn(1), and one Zn(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mn(5), two equivalent Mn(4), and one Zn(5) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mn(1), one Mn(7), one Zn(2), and one Zn(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mn(9), two equivalent Mn(1), and one Zn(3) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(4), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Mn(5), one Mn(6), one Zn(4), and one Zn(6) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Mn(8), two equivalent Mn(4), and one Zn(4) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mn(4), one Mn(8), one Zn(4), and one Zn(5) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to two equivalent Mn(6), one Zn(1), and one Zn(6) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Mn(7), two equivalent Mn(4), and one Zn(5) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Mn(5), two equivalent Mn(6), and one Zn(4) atom. In the sixteenth O site, O(16) is bonded to one Mn(3), one Mn(9), and two equivalent Mn(6) atoms to form distorted OMn4 trigonal pyramids that share corners with two equivalent O(1)Mn2Zn2 trigonal pyramids, corners with two equivalent O(17)Mn3Zn trigonal pyramids, and edges with two equivalent O(17)Mn3Zn trigonal pyramids. In the seventeenth O site, O(17) is bonded to one Mn(3), one Mn(6), one Mn(9), and one Zn(6) atom to form distorted OMn3Zn trigonal pyramids that share  a cornercorner with one O(17)Mn3Zn trigonal pyramid,  a cornercorner with one O(16)Mn4 trigonal pyramid, corners with two equivalent O(1)Mn2Zn2 trigonal pyramids,  an edgeedge with one O(17)Mn3Zn trigonal pyramid, and  an edgeedge with one O(16)Mn4 trigonal pyramid. In the eighteenth O site, O(18) is bonded in a distorted rectangular see-saw-like geometry to one Mn(8), two equivalent Mn(6), and one Zn(6) atom.
ZnMn2O4 is Spinel-like structured and crystallizes in the monoclinic Cm space group. There are nine inequivalent Mn sites. In the first Mn site, Mn(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 MnO6 octahedra that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(9)O4 tetrahedra, corners with two equivalent Mn(7)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Zn(3)O6 octahedra. The Mn(1)-O(1) bond length is 2.00 Å. The Mn(1)-O(2) bond length is 2.00 Å. The Mn(1)-O(3) bond length is 2.07 Å. The Mn(1)-O(5) bond length is 2.02 Å. The Mn(1)-O(7) bond length is 1.93 Å. The Mn(1)-O(8) bond length is 1.98 Å. In the second Mn site, Mn(2) is bonded to one O(2), one O(9), and two equivalent O(4) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with three equivalent Zn(2)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-62°. The Mn(2)-O(2) bond length is 2.10 Å. The Mn(2)-O(9) bond length is 2.06 Å. Both Mn(2)-O(4) bond lengths are 2.02 Å. In the third Mn site, Mn(3) is bonded to one O(16), one O(3), two equivalent O(1), and two equivalent O(17) atoms to form MnO6 octahedra that share corners with three equivalent Mn(9)O4 tetrahedra, corners with three equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Zn(3)O6 octahedra,  an edgeedge with one Zn(6)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(6)O6 octahedra. The Mn(3)-O(16) bond length is 2.12 Å. The Mn(3)-O(3) bond length is 2.13 Å. Both Mn(3)-O(1) bond lengths are 1.99 Å. Both Mn(3)-O(17) bond lengths are 1.98 Å. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(12), one O(14), one O(4), one O(6), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Mn(5)O4 tetrahedra,  a cornercorner with one Mn(7)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra, corners with two equivalent Mn(8)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Zn(5)O6 octahedra. The Mn(4)-O(11) bond length is 2.00 Å. The Mn(4)-O(12) bond length is 1.95 Å. The Mn(4)-O(14) bond length is 2.00 Å. The Mn(4)-O(4) bond length is 1.95 Å. The Mn(4)-O(6) bond length is 2.00 Å. The Mn(4)-O(9) bond length is 2.01 Å. In the fifth Mn site, Mn(5) is bonded to one O(15), one O(6), and two equivalent O(10) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(5)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(6)O6 octahedra, corners with three equivalent Zn(4)O6 octahedra, and corners with four equivalent Mn(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-63°. The Mn(5)-O(15) bond length is 2.05 Å. The Mn(5)-O(6) bond length is 2.04 Å. Both Mn(5)-O(10) bond lengths are 2.02 Å. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(13), one O(15), one O(16), one O(17), and one O(18) atom to form MnO6 octahedra that share  a cornercorner with one Mn(8)O4 tetrahedra,  a cornercorner with one Zn(1)O4 tetrahedra, corners with two equivalent Mn(5)O4 tetrahedra, corners with two equivalent Mn(9)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, edges with two equivalent Mn(6)O6 octahedra, and edges with two equivalent Zn(6)O6 octahedra. The Mn(6)-O(10) bond length is 1.94 Å. The Mn(6)-O(13) bond length is 2.01 Å. The Mn(6)-O(15) bond length is 2.03 Å. The Mn(6)-O(16) bond length is 2.04 Å. The Mn(6)-O(17) bond length is 1.98 Å. The Mn(6)-O(18) bond length is 2.01 Å. In the seventh Mn site, Mn(7) is bonded to one O(14), one O(5), and two equivalent O(7) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(5)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Zn(3)O6 octahedra, corners with three equivalent Zn(2)O6 octahedra, and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. The Mn(7)-O(14) bond length is 2.05 Å. The Mn(7)-O(5) bond length is 2.04 Å. Both Mn(7)-O(7) bond lengths are 2.01 Å. In the eighth Mn site, Mn(8) is bonded to one O(11), one O(18), and two equivalent O(12) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(6)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with three equivalent Zn(4)O6 octahedra, and corners with four equivalent Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-62°. The Mn(8)-O(11) bond length is 2.07 Å. The Mn(8)-O(18) bond length is 2.09 Å. Both Mn(8)-O(12) bond lengths are 2.02 Å. In the ninth Mn site, Mn(9) is bonded to one O(16), one O(8), and two equivalent O(17) atoms to form MnO4 tetrahedra that share  a cornercorner with one Zn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Zn(6)O6 octahedra, corners with three equivalent Mn(3)O6 octahedra, and corners with four equivalent Mn(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. The Mn(9)-O(16) bond length is 2.04 Å. The Mn(9)-O(8) bond length is 2.04 Å. Both Mn(9)-O(17) bond lengths are 2.05 Å. There are six inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(13), one O(3), and two equivalent O(1) atoms to form ZnO4 tetrahedra that share  a cornercorner with one Zn(6)O6 octahedra, corners with two equivalent Mn(6)O6 octahedra, corners with two equivalent Zn(3)O6 octahedra, corners with three equivalent Mn(3)O6 octahedra, and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-62°. The Zn(1)-O(13) bond length is 2.01 Å. The Zn(1)-O(3) bond length is 2.03 Å. Both Zn(1)-O(1) bond lengths are 2.02 Å. In the second Zn site, Zn(2) is bonded to one O(5), one O(9), two equivalent O(4), and two equivalent O(7) atoms to form ZnO6 octahedra that share corners with three equivalent Mn(2)O4 tetrahedra, corners with three equivalent Mn(7)O4 tetrahedra,  an edgeedge with one Zn(3)O6 octahedra,  an edgeedge with one Zn(5)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. The Zn(2)-O(5) bond length is 2.20 Å. The Zn(2)-O(9) bond length is 2.19 Å. Both Zn(2)-O(4) bond lengths are 2.07 Å. Both Zn(2)-O(7) bond lengths are 2.10 Å. In the third Zn site, Zn(3) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(7) atoms to form ZnO6 octahedra that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(9)O4 tetrahedra, corners with two equivalent Mn(7)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(2)O6 octahedra, and edges with four equivalent Mn(1)O6 octahedra. The Zn(3)-O(2) bond length is 2.14 Å. The Zn(3)-O(8) bond length is 2.18 Å. Both Zn(3)-O(1) bond lengths are 2.14 Å. Both Zn(3)-O(7) bond lengths are 2.07 Å. In the fourth Zn site, Zn(4) is bonded to one O(11), one O(15), two equivalent O(10), and two equivalent O(12) atoms to form ZnO6 octahedra that share corners with three equivalent Mn(5)O4 tetrahedra, corners with three equivalent Mn(8)O4 tetrahedra,  an edgeedge with one Zn(5)O6 octahedra,  an edgeedge with one Zn(6)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(6)O6 octahedra. The Zn(4)-O(11) bond length is 2.20 Å. The Zn(4)-O(15) bond length is 2.20 Å. Both Zn(4)-O(10) bond lengths are 2.11 Å. Both Zn(4)-O(12) bond lengths are 2.07 Å. In the fifth Zn site, Zn(5) is bonded to one O(14), one O(6), two equivalent O(12), and two equivalent O(4) atoms to form ZnO6 octahedra that share  a cornercorner with one Mn(5)O4 tetrahedra,  a cornercorner with one Mn(7)O4 tetrahedra, corners with two equivalent Mn(2)O4 tetrahedra, corners with two equivalent Mn(8)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, and edges with four equivalent Mn(4)O6 octahedra. The Zn(5)-O(14) bond length is 2.18 Å. The Zn(5)-O(6) bond length is 2.18 Å. Both Zn(5)-O(12) bond lengths are 2.09 Å. Both Zn(5)-O(4) bond lengths are 2.09 Å. In the sixth Zn site, Zn(6) is bonded to one O(13), one O(18), two equivalent O(10), and two equivalent O(17) atoms to form ZnO6 octahedra that share  a cornercorner with one Mn(8)O4 tetrahedra,  a cornercorner with one Zn(1)O4 tetrahedra, corners with two equivalent Mn(5)O4 tetrahedra, corners with two equivalent Mn(9)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra, and edges with four equivalent Mn(6)O6 octahedra. The Zn(6)-O(13) bond length is 2.18 Å. The Zn(6)-O(18) bond length is 2.15 Å. Both Zn(6)-O(10) bond lengths are 2.06 Å. Both Zn(6)-O(17) bond lengths are 2.13 Å. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(3), one Zn(1), and one Zn(3) atom to form distorted OMn2Zn2 trigonal pyramids that share  a cornercorner with one O(1)Mn2Zn2 trigonal pyramid,  a cornercorner with one O(16)Mn4 trigonal pyramid, corners with two equivalent O(17)Mn3Zn trigonal pyramids, and  an edgeedge with one O(1)Mn2Zn2 trigonal pyramid. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(1), and one Zn(3) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Mn(3), two equivalent Mn(1), and one Zn(1) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mn(2), one Mn(4), one Zn(2), and one Zn(5) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Mn(7), two equivalent Mn(1), and one Zn(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mn(5), two equivalent Mn(4), and one Zn(5) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mn(1), one Mn(7), one Zn(2), and one Zn(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mn(9), two equivalent Mn(1), and one Zn(3) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(4), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Mn(5), one Mn(6), one Zn(4), and one Zn(6) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Mn(8), two equivalent Mn(4), and one Zn(4) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mn(4), one Mn(8), one Zn(4), and one Zn(5) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to two equivalent Mn(6), one Zn(1), and one Zn(6) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Mn(7), two equivalent Mn(4), and one Zn(5) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Mn(5), two equivalent Mn(6), and one Zn(4) atom. In the sixteenth O site, O(16) is bonded to one Mn(3), one Mn(9), and two equivalent Mn(6) atoms to form distorted OMn4 trigonal pyramids that share corners with two equivalent O(1)Mn2Zn2 trigonal pyramids, corners with two equivalent O(17)Mn3Zn trigonal pyramids, and edges with two equivalent O(17)Mn3Zn trigonal pyramids. In the seventeenth O site, O(17) is bonded to one Mn(3), one Mn(6), one Mn(9), and one Zn(6) atom to form distorted OMn3Zn trigonal pyramids that share  a cornercorner with one O(17)Mn3Zn trigonal pyramid,  a cornercorner with one O(16)Mn4 trigonal pyramid, corners with two equivalent O(1)Mn2Zn2 trigonal pyramids,  an edgeedge with one O(17)Mn3Zn trigonal pyramid, and  an edgeedge with one O(16)Mn4 trigonal pyramid. In the eighteenth O site, O(18) is bonded in a distorted rectangular see-saw-like geometry to one Mn(8), two equivalent Mn(6), and one Zn(6) atom.