The crystal structure described by MgMn2(MoO4)2 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  a cornercorner with one Mo(2)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  an edgeedge with one Mo(2)O6 octahedra, and  an edgeedge with one Mn(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-58°. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form distorted MoO6 octahedra that share corners with two equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mn(2)O5 trigonal bipyramids, and edges with two equivalent Mo(2)O6 octahedra. In the second Mo site, Mo(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra, corners with three equivalent Mn(2)O5 trigonal bipyramids, edges with two equivalent Mo(1)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. In the second Mn site, Mn(2) is bonded to one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share corners with three equivalent Mo(1)O6 octahedra, corners with three equivalent Mo(2)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-62°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mo(1), one Mo(2), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Mo(1), one Mo(2), and one Mn(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Mo(1), one Mo(2), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mo(1), one Mo(2), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one Mo(2), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mo(2), and one Mn(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mo(1), one Mn(1), and one Mn(2) atom. In the eighth O site, O(8) is bonded in a distorted tetrahedral geometry to one Mg(1), one Mo(1), one Mn(1), and one Mn(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn2(MoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.260
_cell_length_b   5.361
_cell_length_c   6.194
_cell_angle_alpha   96.649
_cell_angle_beta   82.607
_cell_angle_gamma   103.752
_symmetry_Int_Tables_number   1
_cell_volume   167.580
_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  0.829  0.088  0.847  1.0
  Mn  Mn1  1  0.009  0.227  0.312  1.0
  Mn  Mn2  1  0.079  0.697  0.913  1.0
  Mo  Mo3  1  0.510  0.734  0.334  1.0
  Mo  Mo4  1  0.472  0.280  0.623  1.0
  O  O5  1  0.712  0.483  0.369  1.0
  O  O6  1  0.314  0.053  0.380  1.0
  O  O7  1  0.276  0.550  0.608  1.0
  O  O8  1  0.706  0.995  0.557  1.0
  O  O9  1  0.728  0.418  0.821  1.0
  O  O10  1  0.203  0.084  0.832  1.0
  O  O11  1  0.251  0.567  0.155  1.0
  O  O12  1  0.785  0.910  0.112  1.0
[/CIF]
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The crystal structure described by MgMn2(MoO4)2 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  a cornercorner with one Mo(2)O6 octahedra, corners with two equivalent Mo(1)O6 octahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  an edgeedge with one Mo(2)O6 octahedra, and  an edgeedge with one Mn(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-58°. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form distorted MoO6 octahedra that share corners with two equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mn(2)O5 trigonal bipyramids, and edges with two equivalent Mo(2)O6 octahedra. In the second Mo site, Mo(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MoO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra, corners with three equivalent Mn(2)O5 trigonal bipyramids, edges with two equivalent Mo(1)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. In the second Mn site, Mn(2) is bonded to one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share corners with three equivalent Mo(1)O6 octahedra, corners with three equivalent Mo(2)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-62°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a T-shaped geometry to one Mo(1), one Mo(2), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Mo(1), one Mo(2), and one Mn(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Mo(1), one Mo(2), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mo(1), one Mo(2), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one Mo(2), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mo(2), and one Mn(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mo(1), one Mn(1), and one Mn(2) atom. In the eighth O site, O(8) is bonded in a distorted tetrahedral geometry to one Mg(1), one Mo(1), one Mn(1), and one Mn(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn2(MoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.260
_cell_length_b   5.361
_cell_length_c   6.194
_cell_angle_alpha   96.649
_cell_angle_beta   82.607
_cell_angle_gamma   103.752
_symmetry_Int_Tables_number   1
_cell_volume   167.580
_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  0.829  0.088  0.847  1.0
  Mn  Mn1  1  0.009  0.227  0.312  1.0
  Mn  Mn2  1  0.079  0.697  0.913  1.0
  Mo  Mo3  1  0.510  0.734  0.334  1.0
  Mo  Mo4  1  0.472  0.280  0.623  1.0
  O  O5  1  0.712  0.483  0.369  1.0
  O  O6  1  0.314  0.053  0.380  1.0
  O  O7  1  0.276  0.550  0.608  1.0
  O  O8  1  0.706  0.995  0.557  1.0
  O  O9  1  0.728  0.418  0.821  1.0
  O  O10  1  0.203  0.084  0.832  1.0
  O  O11  1  0.251  0.567  0.155  1.0
  O  O12  1  0.785  0.910  0.112  1.0
[/CIF]
.