MnCd4O5 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. Mn(1) is bonded to one O(1), one O(5), two equivalent O(2), and two equivalent O(3) atoms to form MnO6 octahedra that share  a cornercorner with one Cd(4)O6 octahedra, corners with two equivalent Cd(2)O6 octahedra, corners with three equivalent Cd(3)O6 octahedra,  an edgeedge with one Cd(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(1)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, edges with two equivalent Cd(5)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are five inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CdO6 octahedra that share corners with two equivalent Cd(3)O6 octahedra, corners with four equivalent Cd(4)O6 octahedra, edges with two equivalent Cd(1)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, edges with four equivalent Mn(1)O6 octahedra, and edges with four equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the second Cd site, Cd(2) is bonded to two equivalent O(4) and four equivalent O(3) atoms to form CdO6 octahedra that share corners with two equivalent Cd(5)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(2)O6 octahedra, edges with four equivalent Cd(4)O6 octahedra, and edges with four equivalent Cd(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the third Cd site, Cd(3) is bonded to one O(1), two equivalent O(5), and three equivalent O(2) atoms to form CdO6 octahedra that share  a cornercorner with one Cd(1)O6 octahedra, corners with two equivalent Cd(5)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra,  an edgeedge with one Cd(5)O6 octahedra, edges with two equivalent Cd(1)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, and edges with four equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the fourth Cd site, Cd(4) is bonded to one O(3), one O(5), two equivalent O(1), and two equivalent O(4) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Cd(1)O6 octahedra, corners with three equivalent Cd(5)O6 octahedra,  an edgeedge with one Cd(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(2)O6 octahedra, edges with two equivalent Cd(3)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, and edges with three equivalent Cd(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the fifth Cd site, Cd(5) is bonded to one O(3), two equivalent O(5), and three equivalent O(4) atoms to form CdO6 octahedra that share  a cornercorner with one Cd(2)O6 octahedra, corners with two equivalent Cd(3)O6 octahedra, corners with three equivalent Cd(4)O6 octahedra,  an edgeedge with one Cd(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(2)O6 octahedra, edges with three equivalent Cd(4)O6 octahedra, and edges with four equivalent Cd(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Cd(3), two equivalent Cd(1), and two equivalent Cd(4) atoms to form OMnCd5 octahedra that share  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(5)MnCd5 octahedra, corners with two equivalent O(4)Cd6 octahedra, corners with two equivalent O(1)MnCd5 octahedra,  an edgeedge with one O(4)Cd6 octahedra, edges with two equivalent O(3)Mn2Cd4 octahedra, edges with two equivalent O(5)MnCd5 octahedra, edges with three equivalent O(1)MnCd5 octahedra, and edges with four equivalent O(2)Mn2Cd4 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the second O site, O(2) is bonded to two equivalent Mn(1), one Cd(1), and three equivalent Cd(3) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(1)MnCd5 octahedra, corners with two equivalent O(3)Mn2Cd4 octahedra, corners with two equivalent O(5)MnCd5 octahedra,  an edgeedge with one O(3)Mn2Cd4 octahedra, edges with three equivalent O(5)MnCd5 octahedra, edges with four equivalent O(2)Mn2Cd4 octahedra, and edges with four equivalent O(1)MnCd5 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third O site, O(3) is bonded to two equivalent Mn(1), one Cd(4), one Cd(5), and two equivalent Cd(2) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(4)Cd6 octahedra,  a cornercorner with one O(5)MnCd5 octahedra, corners with two equivalent O(2)Mn2Cd4 octahedra, corners with two equivalent O(3)Mn2Cd4 octahedra,  an edgeedge with one O(2)Mn2Cd4 octahedra, edges with two equivalent O(1)MnCd5 octahedra, edges with two equivalent O(5)MnCd5 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, and edges with four equivalent O(4)Cd6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth O site, O(4) is bonded to one Cd(2), two equivalent Cd(4), and three equivalent Cd(5) atoms to form OCd6 octahedra that share  a cornercorner with one O(4)Cd6 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra, corners with two equivalent O(1)MnCd5 octahedra, corners with two equivalent O(5)MnCd5 octahedra,  an edgeedge with one O(1)MnCd5 octahedra, edges with three equivalent O(5)MnCd5 octahedra, edges with four equivalent O(4)Cd6 octahedra, and edges with four equivalent O(3)Mn2Cd4 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fifth O site, O(5) is bonded to one Mn(1), one Cd(4), two equivalent Cd(3), and two equivalent Cd(5) atoms to form OMnCd5 octahedra that share  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(1)MnCd5 octahedra, corners with two equivalent O(4)Cd6 octahedra, corners with two equivalent O(2)Mn2Cd4 octahedra, edges with two equivalent O(3)Mn2Cd4 octahedra, edges with two equivalent O(1)MnCd5 octahedra, edges with two equivalent O(5)MnCd5 octahedra, edges with three equivalent O(4)Cd6 octahedra, and edges with three equivalent O(2)Mn2Cd4 octahedra. The corner-sharing octahedral tilt angles range from 2-4°.
MnCd4O5 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. Mn(1) is bonded to one O(1), one O(5), two equivalent O(2), and two equivalent O(3) atoms to form MnO6 octahedra that share  a cornercorner with one Cd(4)O6 octahedra, corners with two equivalent Cd(2)O6 octahedra, corners with three equivalent Cd(3)O6 octahedra,  an edgeedge with one Cd(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(1)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, edges with two equivalent Cd(5)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. The Mn(1)-O(1) bond length is 2.29 Å. The Mn(1)-O(5) bond length is 2.27 Å. Both Mn(1)-O(2) bond lengths are 2.23 Å. Both Mn(1)-O(3) bond lengths are 2.23 Å. There are five inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CdO6 octahedra that share corners with two equivalent Cd(3)O6 octahedra, corners with four equivalent Cd(4)O6 octahedra, edges with two equivalent Cd(1)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, edges with four equivalent Mn(1)O6 octahedra, and edges with four equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. Both Cd(1)-O(2) bond lengths are 2.36 Å. All Cd(1)-O(1) bond lengths are 2.33 Å. In the second Cd site, Cd(2) is bonded to two equivalent O(4) and four equivalent O(3) atoms to form CdO6 octahedra that share corners with two equivalent Cd(5)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(2)O6 octahedra, edges with four equivalent Cd(4)O6 octahedra, and edges with four equivalent Cd(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. Both Cd(2)-O(4) bond lengths are 2.33 Å. All Cd(2)-O(3) bond lengths are 2.43 Å. In the third Cd site, Cd(3) is bonded to one O(1), two equivalent O(5), and three equivalent O(2) atoms to form CdO6 octahedra that share  a cornercorner with one Cd(1)O6 octahedra, corners with two equivalent Cd(5)O6 octahedra, corners with three equivalent Mn(1)O6 octahedra,  an edgeedge with one Cd(5)O6 octahedra, edges with two equivalent Cd(1)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, and edges with four equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. The Cd(3)-O(1) bond length is 2.41 Å. Both Cd(3)-O(5) bond lengths are 2.33 Å. There is one shorter (2.34 Å) and two longer (2.40 Å) Cd(3)-O(2) bond lengths. In the fourth Cd site, Cd(4) is bonded to one O(3), one O(5), two equivalent O(1), and two equivalent O(4) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Cd(1)O6 octahedra, corners with three equivalent Cd(5)O6 octahedra,  an edgeedge with one Cd(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(2)O6 octahedra, edges with two equivalent Cd(3)O6 octahedra, edges with two equivalent Cd(4)O6 octahedra, and edges with three equivalent Cd(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. The Cd(4)-O(3) bond length is 2.35 Å. The Cd(4)-O(5) bond length is 2.40 Å. Both Cd(4)-O(1) bond lengths are 2.33 Å. Both Cd(4)-O(4) bond lengths are 2.34 Å. In the fifth Cd site, Cd(5) is bonded to one O(3), two equivalent O(5), and three equivalent O(4) atoms to form CdO6 octahedra that share  a cornercorner with one Cd(2)O6 octahedra, corners with two equivalent Cd(3)O6 octahedra, corners with three equivalent Cd(4)O6 octahedra,  an edgeedge with one Cd(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Cd(2)O6 octahedra, edges with three equivalent Cd(4)O6 octahedra, and edges with four equivalent Cd(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. The Cd(5)-O(3) bond length is 2.35 Å. Both Cd(5)-O(5) bond lengths are 2.34 Å. There are two shorter (2.35 Å) and one longer (2.36 Å) Cd(5)-O(4) bond length. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Cd(3), two equivalent Cd(1), and two equivalent Cd(4) atoms to form OMnCd5 octahedra that share  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(5)MnCd5 octahedra, corners with two equivalent O(4)Cd6 octahedra, corners with two equivalent O(1)MnCd5 octahedra,  an edgeedge with one O(4)Cd6 octahedra, edges with two equivalent O(3)Mn2Cd4 octahedra, edges with two equivalent O(5)MnCd5 octahedra, edges with three equivalent O(1)MnCd5 octahedra, and edges with four equivalent O(2)Mn2Cd4 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the second O site, O(2) is bonded to two equivalent Mn(1), one Cd(1), and three equivalent Cd(3) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(1)MnCd5 octahedra, corners with two equivalent O(3)Mn2Cd4 octahedra, corners with two equivalent O(5)MnCd5 octahedra,  an edgeedge with one O(3)Mn2Cd4 octahedra, edges with three equivalent O(5)MnCd5 octahedra, edges with four equivalent O(2)Mn2Cd4 octahedra, and edges with four equivalent O(1)MnCd5 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third O site, O(3) is bonded to two equivalent Mn(1), one Cd(4), one Cd(5), and two equivalent Cd(2) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(4)Cd6 octahedra,  a cornercorner with one O(5)MnCd5 octahedra, corners with two equivalent O(2)Mn2Cd4 octahedra, corners with two equivalent O(3)Mn2Cd4 octahedra,  an edgeedge with one O(2)Mn2Cd4 octahedra, edges with two equivalent O(1)MnCd5 octahedra, edges with two equivalent O(5)MnCd5 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, and edges with four equivalent O(4)Cd6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth O site, O(4) is bonded to one Cd(2), two equivalent Cd(4), and three equivalent Cd(5) atoms to form OCd6 octahedra that share  a cornercorner with one O(4)Cd6 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra, corners with two equivalent O(1)MnCd5 octahedra, corners with two equivalent O(5)MnCd5 octahedra,  an edgeedge with one O(1)MnCd5 octahedra, edges with three equivalent O(5)MnCd5 octahedra, edges with four equivalent O(4)Cd6 octahedra, and edges with four equivalent O(3)Mn2Cd4 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fifth O site, O(5) is bonded to one Mn(1), one Cd(4), two equivalent Cd(3), and two equivalent Cd(5) atoms to form OMnCd5 octahedra that share  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(1)MnCd5 octahedra, corners with two equivalent O(4)Cd6 octahedra, corners with two equivalent O(2)Mn2Cd4 octahedra, edges with two equivalent O(3)Mn2Cd4 octahedra, edges with two equivalent O(1)MnCd5 octahedra, edges with two equivalent O(5)MnCd5 octahedra, edges with three equivalent O(4)Cd6 octahedra, and edges with three equivalent O(2)Mn2Cd4 octahedra. The corner-sharing octahedral tilt angles range from 2-4°.