The structure described by 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°. is represented by the CIF card [CIF]
data_MnCd4O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.287
_cell_length_b   7.404
_cell_length_c   10.952
_cell_angle_alpha   78.105
_cell_angle_beta   90.002
_cell_angle_gamma   77.168
_symmetry_Int_Tables_number   1
_cell_volume   254.024
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Cd  Cd0  1  0.600  0.800  0.800  1.0
  Cd  Cd1  1  0.100  0.800  0.300  1.0
  Cd  Cd2  1  0.298  0.404  0.895  1.0
  Cd  Cd3  1  0.902  0.196  0.705  1.0
  Cd  Cd4  1  0.700  0.600  0.099  1.0
  Cd  Cd5  1  0.500  0.000  0.501  1.0
  Cd  Cd6  1  0.801  0.398  0.404  1.0
  Cd  Cd7  1  0.399  0.202  0.196  1.0
  Mn  Mn8  1  0.201  0.600  0.599  1.0
  Mn  Mn9  1  1.000  0.000  0.001  1.0
  O  O10  1  0.054  0.892  0.649  1.0
  O  O11  1  0.146  0.708  0.951  1.0
  O  O12  1  0.746  0.508  0.736  1.0
  O  O13  1  0.454  0.092  0.864  1.0
  O  O14  1  0.545  0.908  0.138  1.0
  O  O15  1  0.654  0.692  0.462  1.0
  O  O16  1  0.249  0.502  0.251  1.0
  O  O17  1  0.951  0.098  0.349  1.0
  O  O18  1  0.347  0.306  0.556  1.0
  O  O19  1  0.853  0.294  0.044  1.0
[/CIF]
.
The structure described by 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°. is represented by the CIF card [CIF]
data_MnCd4O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.287
_cell_length_b   7.404
_cell_length_c   10.952
_cell_angle_alpha   78.105
_cell_angle_beta   90.002
_cell_angle_gamma   77.168
_symmetry_Int_Tables_number   1
_cell_volume   254.024
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Cd  Cd0  1  0.600  0.800  0.800  1.0
  Cd  Cd1  1  0.100  0.800  0.300  1.0
  Cd  Cd2  1  0.298  0.404  0.895  1.0
  Cd  Cd3  1  0.902  0.196  0.705  1.0
  Cd  Cd4  1  0.700  0.600  0.099  1.0
  Cd  Cd5  1  0.500  0.000  0.501  1.0
  Cd  Cd6  1  0.801  0.398  0.404  1.0
  Cd  Cd7  1  0.399  0.202  0.196  1.0
  Mn  Mn8  1  0.201  0.600  0.599  1.0
  Mn  Mn9  1  1.000  0.000  0.001  1.0
  O  O10  1  0.054  0.892  0.649  1.0
  O  O11  1  0.146  0.708  0.951  1.0
  O  O12  1  0.746  0.508  0.736  1.0
  O  O13  1  0.454  0.092  0.864  1.0
  O  O14  1  0.545  0.908  0.138  1.0
  O  O15  1  0.654  0.692  0.462  1.0
  O  O16  1  0.249  0.502  0.251  1.0
  O  O17  1  0.951  0.098  0.349  1.0
  O  O18  1  0.347  0.306  0.556  1.0
  O  O19  1  0.853  0.294  0.044  1.0
[/CIF]
.