The structure described by MgMn4Cd2O8 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form distorted MgO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with two equivalent Cd(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-65°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(7) atom to form distorted MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, and edges with two equivalent Mn(4)O6 octahedra. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(7), and one O(8) atom. In the third Mn site, Mn(3) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and one O(8) atom. In the fourth Mn site, Mn(4) is bonded to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(2), one O(4), one O(7), and one O(8) atom to form CdO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-77°. In the second Cd site, Cd(2) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(5), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Mn(3), and one Cd(2) atom to form OMn3Cd tetrahedra that share  a cornercorner with one O(3)Mn3Cd tetrahedra, corners with two equivalent O(8)MgMn3Cd trigonal bipyramids, corners with three equivalent O(4)MgMn3Cd trigonal bipyramids, and  an edgeedge with one O(3)Mn3Cd tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Mn(1), one Mn(3), one Mn(4), and one Cd(1) atom. In the third O site, O(3) is bonded to one Mn(2), one Mn(3), one Mn(4), and one Cd(2) atom to form OMn3Cd tetrahedra that share  a cornercorner with one O(1)Mn3Cd tetrahedra, corners with two equivalent O(4)MgMn3Cd trigonal bipyramids, corners with three equivalent O(8)MgMn3Cd trigonal bipyramids, and  an edgeedge with one O(1)Mn3Cd tetrahedra. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(2), one Mn(3), and one Cd(1) atom to form distorted OMgMn3Cd trigonal bipyramids that share corners with two equivalent O(3)Mn3Cd tetrahedra, corners with three equivalent O(1)Mn3Cd tetrahedra,  a cornercorner with one O(8)MgMn3Cd trigonal bipyramid, and  a faceface with one O(8)MgMn3Cd trigonal bipyramid. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(4), and one Cd(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(4), and one Cd(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Mn(1), one Mn(2), one Mn(4), and one Cd(1) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Mn(2), one Mn(3), one Mn(4), and one Cd(1) atom to form distorted OMgMn3Cd trigonal bipyramids that share corners with two equivalent O(1)Mn3Cd tetrahedra, corners with three equivalent O(3)Mn3Cd tetrahedra,  a cornercorner with one O(4)MgMn3Cd trigonal bipyramid, and  a faceface with one O(4)MgMn3Cd trigonal bipyramid. is represented by the CIF file [CIF]
data_MgMn4Cd2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.682
_cell_length_b   6.348
_cell_length_c   6.629
_cell_angle_alpha   120.926
_cell_angle_beta   123.088
_cell_angle_gamma   85.593
_symmetry_Int_Tables_number   1
_cell_volume   193.814
_cell_formula_units_Z   1
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
  Mg  Mg0  1  0.156  0.407  0.294  1.0
  Mn  Mn1  1  0.004  0.988  0.485  1.0
  Mn  Mn2  1  0.940  0.918  0.890  1.0
  Mn  Mn3  1  0.927  0.460  0.860  1.0
  Mn  Mn4  1  0.478  0.991  0.483  1.0
  Cd  Cd5  1  0.576  0.325  0.147  1.0
  Cd  Cd6  1  0.448  0.699  0.902  1.0
  O  O7  1  0.827  0.779  0.057  1.0
  O  O8  1  0.748  0.178  0.433  1.0
  O  O9  1  0.223  0.763  0.052  1.0
  O  O10  1  0.170  0.215  0.937  1.0
  O  O11  1  0.244  0.782  0.533  1.0
  O  O12  1  0.284  0.247  0.511  1.0
  O  O13  1  0.689  0.754  0.454  1.0
  O  O14  1  0.773  0.233  0.943  1.0
[/CIF]
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The structure described by MgMn4Cd2O8 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form distorted MgO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with two equivalent Cd(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-65°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(7) atom to form distorted MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, and edges with two equivalent Mn(4)O6 octahedra. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(7), and one O(8) atom. In the third Mn site, Mn(3) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and one O(8) atom. In the fourth Mn site, Mn(4) is bonded to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Cd(1)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(2), one O(4), one O(7), and one O(8) atom to form CdO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-77°. In the second Cd site, Cd(2) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(5), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Mn(3), and one Cd(2) atom to form OMn3Cd tetrahedra that share  a cornercorner with one O(3)Mn3Cd tetrahedra, corners with two equivalent O(8)MgMn3Cd trigonal bipyramids, corners with three equivalent O(4)MgMn3Cd trigonal bipyramids, and  an edgeedge with one O(3)Mn3Cd tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Mn(1), one Mn(3), one Mn(4), and one Cd(1) atom. In the third O site, O(3) is bonded to one Mn(2), one Mn(3), one Mn(4), and one Cd(2) atom to form OMn3Cd tetrahedra that share  a cornercorner with one O(1)Mn3Cd tetrahedra, corners with two equivalent O(4)MgMn3Cd trigonal bipyramids, corners with three equivalent O(8)MgMn3Cd trigonal bipyramids, and  an edgeedge with one O(1)Mn3Cd tetrahedra. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(2), one Mn(3), and one Cd(1) atom to form distorted OMgMn3Cd trigonal bipyramids that share corners with two equivalent O(3)Mn3Cd tetrahedra, corners with three equivalent O(1)Mn3Cd tetrahedra,  a cornercorner with one O(8)MgMn3Cd trigonal bipyramid, and  a faceface with one O(8)MgMn3Cd trigonal bipyramid. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(4), and one Cd(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(4), and one Cd(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Mn(1), one Mn(2), one Mn(4), and one Cd(1) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Mn(2), one Mn(3), one Mn(4), and one Cd(1) atom to form distorted OMgMn3Cd trigonal bipyramids that share corners with two equivalent O(1)Mn3Cd tetrahedra, corners with three equivalent O(3)Mn3Cd tetrahedra,  a cornercorner with one O(4)MgMn3Cd trigonal bipyramid, and  a faceface with one O(4)MgMn3Cd trigonal bipyramid. is represented by the CIF file [CIF]
data_MgMn4Cd2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.682
_cell_length_b   6.348
_cell_length_c   6.629
_cell_angle_alpha   120.926
_cell_angle_beta   123.088
_cell_angle_gamma   85.593
_symmetry_Int_Tables_number   1
_cell_volume   193.814
_cell_formula_units_Z   1
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
  Mg  Mg0  1  0.156  0.407  0.294  1.0
  Mn  Mn1  1  0.004  0.988  0.485  1.0
  Mn  Mn2  1  0.940  0.918  0.890  1.0
  Mn  Mn3  1  0.927  0.460  0.860  1.0
  Mn  Mn4  1  0.478  0.991  0.483  1.0
  Cd  Cd5  1  0.576  0.325  0.147  1.0
  Cd  Cd6  1  0.448  0.699  0.902  1.0
  O  O7  1  0.827  0.779  0.057  1.0
  O  O8  1  0.748  0.178  0.433  1.0
  O  O9  1  0.223  0.763  0.052  1.0
  O  O10  1  0.170  0.215  0.937  1.0
  O  O11  1  0.244  0.782  0.533  1.0
  O  O12  1  0.284  0.247  0.511  1.0
  O  O13  1  0.689  0.754  0.454  1.0
  O  O14  1  0.773  0.233  0.943  1.0
[/CIF]
.