The compound described by MgMn3Cd2O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form MgO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra and  a faceface with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-48°. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom. In the third Mn site, Mn(3) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form MnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-48°. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(5), one O(6), and one O(8) atom. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Cd(2) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Mn(2), one Mn(3), one Cd(1), and one Cd(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), one Mn(3), and one Cd(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), one Mn(3), and one Cd(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(3), one Cd(1), and one Cd(2) atom. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Cd(1) atom to form distorted corner-sharing OMgMn2Cd trigonal pyramids. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Cd(2) atom. In the eighth O site, O(8) is bonded to one Mn(1), one Mn(2), one Cd(1), and one Cd(2) atom to form distorted corner-sharing OMn2Cd2 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn3Cd2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.337
_cell_length_b   6.232
_cell_length_c   5.850
_cell_angle_alpha   108.865
_cell_angle_beta   116.332
_cell_angle_gamma   89.524
_symmetry_Int_Tables_number   1
_cell_volume   162.923
_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  0.725  0.117  0.478  1.0
  Mn  Mn1  1  0.461  0.980  0.923  1.0
  Mn  Mn2  1  0.014  0.752  0.034  1.0
  Mn  Mn3  1  0.012  0.246  0.024  1.0
  Cd  Cd4  1  0.682  0.617  0.394  1.0
  Cd  Cd5  1  0.308  0.404  0.637  1.0
  O  O6  1  0.999  0.425  0.795  1.0
  O  O7  1  0.025  0.536  0.278  1.0
  O  O8  1  0.024  0.976  0.741  1.0
  O  O9  1  0.960  0.067  0.228  1.0
  O  O10  1  0.428  0.268  0.217  1.0
  O  O11  1  0.424  0.833  0.166  1.0
  O  O12  1  0.599  0.168  0.784  1.0
  O  O13  1  0.614  0.713  0.780  1.0
[/CIF]
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The compound described by MgMn3Cd2O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form MgO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra and  a faceface with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-48°. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom. In the third Mn site, Mn(3) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form MnO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-48°. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(5), one O(6), and one O(8) atom. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Cd(2) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Mn(2), one Mn(3), one Cd(1), and one Cd(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), one Mn(3), and one Cd(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), one Mn(3), and one Cd(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Mn(1), one Mn(3), one Cd(1), and one Cd(2) atom. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Cd(1) atom to form distorted corner-sharing OMgMn2Cd trigonal pyramids. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Cd(2) atom. In the eighth O site, O(8) is bonded to one Mn(1), one Mn(2), one Cd(1), and one Cd(2) atom to form distorted corner-sharing OMn2Cd2 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn3Cd2O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.337
_cell_length_b   6.232
_cell_length_c   5.850
_cell_angle_alpha   108.865
_cell_angle_beta   116.332
_cell_angle_gamma   89.524
_symmetry_Int_Tables_number   1
_cell_volume   162.923
_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  0.725  0.117  0.478  1.0
  Mn  Mn1  1  0.461  0.980  0.923  1.0
  Mn  Mn2  1  0.014  0.752  0.034  1.0
  Mn  Mn3  1  0.012  0.246  0.024  1.0
  Cd  Cd4  1  0.682  0.617  0.394  1.0
  Cd  Cd5  1  0.308  0.404  0.637  1.0
  O  O6  1  0.999  0.425  0.795  1.0
  O  O7  1  0.025  0.536  0.278  1.0
  O  O8  1  0.024  0.976  0.741  1.0
  O  O9  1  0.960  0.067  0.228  1.0
  O  O10  1  0.428  0.268  0.217  1.0
  O  O11  1  0.424  0.833  0.166  1.0
  O  O12  1  0.599  0.168  0.784  1.0
  O  O13  1  0.614  0.713  0.780  1.0
[/CIF]
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