Mn2Cd3O5 is Caswellsilverite-like structured and crystallizes in the triclinic P1 space group. There are two 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), and two equivalent O(4) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, edges with three equivalent Cd(2)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, edges with three equivalent Cd(2)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. There are three inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(2), one O(3), one O(4), one O(5), and two equivalent O(1) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Cd(1)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(2)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the second Cd site, Cd(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(2) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Cd(2)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. In the third Cd site, Cd(3) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra, corners with two equivalent Cd(3)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, and edges with three equivalent Cd(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Cd(2), one Cd(3), and two equivalent Cd(1) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, edges with three equivalent O(4)Mn3Cd3 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the second O site, O(2) is bonded to one Mn(1), one Mn(2), one Cd(1), one Cd(3), and two equivalent Cd(2) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, edges with three equivalent O(4)Mn3Cd3 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the third O site, O(3) is bonded to one Mn(1), one Mn(2), one Cd(1), one Cd(2), and two equivalent Cd(3) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(3)Mn2Cd4 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(4)Mn3Cd3 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth O site, O(4) is bonded to one Mn(2), two equivalent Mn(1), one Cd(1), one Cd(2), and one Cd(3) atom to form OMn3Cd3 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(4)Mn3Cd3 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the fifth O site, O(5) is bonded to one Mn(1), two equivalent Mn(2), one Cd(1), one Cd(2), and one Cd(3) atom to form OMn3Cd3 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra, corners with two equivalent O(5)Mn3Cd3 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, and edges with three equivalent O(4)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°.
Mn2Cd3O5 is Caswellsilverite-like structured and crystallizes in the triclinic P1 space group. There are two 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), and two equivalent O(4) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, edges with three equivalent Cd(2)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. The Mn(1)-O(1) bond length is 2.36 Å. The Mn(1)-O(2) bond length is 2.22 Å. The Mn(1)-O(3) bond length is 2.28 Å. The Mn(1)-O(5) bond length is 2.21 Å. There is one shorter (2.33 Å) and one longer (2.35 Å) Mn(1)-O(4) bond length. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, edges with three equivalent Cd(2)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-8°. The Mn(2)-O(1) bond length is 2.32 Å. The Mn(2)-O(2) bond length is 2.29 Å. The Mn(2)-O(3) bond length is 2.23 Å. The Mn(2)-O(4) bond length is 2.22 Å. There is one shorter (2.33 Å) and one longer (2.36 Å) Mn(2)-O(5) bond length. There are three inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(2), one O(3), one O(4), one O(5), and two equivalent O(1) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Cd(1)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(2)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. The Cd(1)-O(2) bond length is 2.47 Å. The Cd(1)-O(3) bond length is 2.47 Å. The Cd(1)-O(4) bond length is 2.32 Å. The Cd(1)-O(5) bond length is 2.33 Å. Both Cd(1)-O(1) bond lengths are 2.34 Å. In the second Cd site, Cd(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(2) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(3)O6 octahedra, corners with two equivalent Cd(2)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, and edges with three equivalent Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. The Cd(2)-O(1) bond length is 2.37 Å. The Cd(2)-O(3) bond length is 2.41 Å. The Cd(2)-O(4) bond length is 2.41 Å. The Cd(2)-O(5) bond length is 2.36 Å. There is one shorter (2.34 Å) and one longer (2.35 Å) Cd(2)-O(2) bond length. In the third Cd site, Cd(3) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form CdO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cd(2)O6 octahedra, corners with two equivalent Cd(3)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Mn(2)O6 octahedra, edges with three equivalent Cd(1)O6 octahedra, and edges with three equivalent Cd(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. The Cd(3)-O(1) bond length is 2.37 Å. The Cd(3)-O(2) bond length is 2.40 Å. The Cd(3)-O(4) bond length is 2.37 Å. The Cd(3)-O(5) bond length is 2.41 Å. There is one shorter (2.34 Å) and one longer (2.35 Å) Cd(3)-O(3) bond length. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Cd(2), one Cd(3), and two equivalent Cd(1) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, edges with three equivalent O(4)Mn3Cd3 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the second O site, O(2) is bonded to one Mn(1), one Mn(2), one Cd(1), one Cd(3), and two equivalent Cd(2) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, edges with three equivalent O(4)Mn3Cd3 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the third O site, O(3) is bonded to one Mn(1), one Mn(2), one Cd(1), one Cd(2), and two equivalent Cd(3) atoms to form OMn2Cd4 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(3)Mn2Cd4 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(4)Mn3Cd3 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth O site, O(4) is bonded to one Mn(2), two equivalent Mn(1), one Cd(1), one Cd(2), and one Cd(3) atom to form OMn3Cd3 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(5)Mn3Cd3 octahedra, corners with two equivalent O(4)Mn3Cd3 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, and edges with three equivalent O(5)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the fifth O site, O(5) is bonded to one Mn(1), two equivalent Mn(2), one Cd(1), one Cd(2), and one Cd(3) atom to form OMn3Cd3 octahedra that share  a cornercorner with one O(1)Mn2Cd4 octahedra,  a cornercorner with one O(2)Mn2Cd4 octahedra,  a cornercorner with one O(3)Mn2Cd4 octahedra,  a cornercorner with one O(4)Mn3Cd3 octahedra, corners with two equivalent O(5)Mn3Cd3 octahedra, edges with three equivalent O(1)Mn2Cd4 octahedra, edges with three equivalent O(2)Mn2Cd4 octahedra, edges with three equivalent O(3)Mn2Cd4 octahedra, and edges with three equivalent O(4)Mn3Cd3 octahedra. The corner-sharing octahedral tilt angles range from 0-7°.