The crystal structure described by MgMo3Zn2O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. There are three inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MoO6 octahedra that share corners with three equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mo(2)O6 octahedra, and edges with two equivalent Mo(3)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(6), and one O(8) atom to form MoO6 octahedra that share corners with three equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(3)O6 octahedra. In the third Mo site, Mo(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 MoO6 octahedra that share corners with three equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(2)O6 octahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), one O(5), and one O(6) atom. In the second Zn site, Zn(2) is bonded to one O(1), one O(4), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share corners with three equivalent Mo(1)O6 octahedra, corners with three equivalent Mo(2)O6 octahedra, and corners with three equivalent Mo(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mo(2), one Mo(3), and one Zn(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mo(2), one Mo(3), and one Zn(1) atom. In the third O site, O(3) is bonded to one Mg(1), one Mo(1), one Mo(2), one Mo(3), and one Zn(1) atom to form distorted OMgZnMo3 trigonal bipyramids that share  a cornercorner with one O(4)ZnMo3 tetrahedra,  a cornercorner with one O(7)MgZnMo2 trigonal pyramid,  an edgeedge with one O(4)ZnMo3 tetrahedra, and  an edgeedge with one O(7)MgZnMo2 trigonal pyramid. In the fourth O site, O(4) is bonded to one Mo(1), one Mo(2), one Mo(3), and one Zn(2) atom to form distorted OZnMo3 tetrahedra that share  a cornercorner with one O(3)MgZnMo3 trigonal bipyramid,  a cornercorner with one O(7)MgZnMo2 trigonal pyramid,  an edgeedge with one O(3)MgZnMo3 trigonal bipyramid, and  an edgeedge with one O(7)MgZnMo2 trigonal pyramid. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mo(1), one Mo(3), and one Zn(1) atom. In the sixth O site, O(6) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mo(1), one Mo(2), and one Zn(1) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Mo(1), one Mo(3), and one Zn(2) atom to form distorted OMgZnMo2 trigonal pyramids that share  a cornercorner with one O(4)ZnMo3 tetrahedra,  a cornercorner with one O(3)MgZnMo3 trigonal bipyramid,  an edgeedge with one O(4)ZnMo3 tetrahedra, and  an edgeedge with one O(3)MgZnMo3 trigonal bipyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mo(1), one Mo(2), and one Zn(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgZn2Mo3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.591
_cell_length_b   6.341
_cell_length_c   6.992
_cell_angle_alpha   118.331
_cell_angle_beta   122.745
_cell_angle_gamma   88.719
_symmetry_Int_Tables_number   1
_cell_volume   174.084
_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  0.455  0.749  0.515  1.0
  Zn  Zn1  1  0.745  0.659  0.318  1.0
  Zn  Zn2  1  0.270  0.317  0.642  1.0
  Mo  Mo3  1  0.514  0.020  0.037  1.0
  Mo  Mo4  1  0.000  0.733  0.986  1.0
  Mo  Mo5  1  0.992  0.249  0.987  1.0
  O  O6  1  0.004  0.394  0.769  1.0
  O  O7  1  0.018  0.625  0.234  1.0
  O  O8  1  0.996  0.871  0.756  1.0
  O  O9  1  0.991  0.111  0.227  1.0
  O  O10  1  0.475  0.392  0.247  1.0
  O  O11  1  0.458  0.865  0.240  1.0
  O  O12  1  0.513  0.112  0.773  1.0
  O  O13  1  0.533  0.654  0.779  1.0
[/CIF]
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The crystal structure described by MgMo3Zn2O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. There are three inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MoO6 octahedra that share corners with three equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mo(2)O6 octahedra, and edges with two equivalent Mo(3)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(6), and one O(8) atom to form MoO6 octahedra that share corners with three equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(3)O6 octahedra. In the third Mo site, Mo(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 MoO6 octahedra that share corners with three equivalent Zn(2)O4 tetrahedra, edges with two equivalent Mo(1)O6 octahedra, and edges with two equivalent Mo(2)O6 octahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), one O(5), and one O(6) atom. In the second Zn site, Zn(2) is bonded to one O(1), one O(4), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share corners with three equivalent Mo(1)O6 octahedra, corners with three equivalent Mo(2)O6 octahedra, and corners with three equivalent Mo(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mo(2), one Mo(3), and one Zn(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mo(2), one Mo(3), and one Zn(1) atom. In the third O site, O(3) is bonded to one Mg(1), one Mo(1), one Mo(2), one Mo(3), and one Zn(1) atom to form distorted OMgZnMo3 trigonal bipyramids that share  a cornercorner with one O(4)ZnMo3 tetrahedra,  a cornercorner with one O(7)MgZnMo2 trigonal pyramid,  an edgeedge with one O(4)ZnMo3 tetrahedra, and  an edgeedge with one O(7)MgZnMo2 trigonal pyramid. In the fourth O site, O(4) is bonded to one Mo(1), one Mo(2), one Mo(3), and one Zn(2) atom to form distorted OZnMo3 tetrahedra that share  a cornercorner with one O(3)MgZnMo3 trigonal bipyramid,  a cornercorner with one O(7)MgZnMo2 trigonal pyramid,  an edgeedge with one O(3)MgZnMo3 trigonal bipyramid, and  an edgeedge with one O(7)MgZnMo2 trigonal pyramid. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mo(1), one Mo(3), and one Zn(1) atom. In the sixth O site, O(6) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mo(1), one Mo(2), and one Zn(1) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Mo(1), one Mo(3), and one Zn(2) atom to form distorted OMgZnMo2 trigonal pyramids that share  a cornercorner with one O(4)ZnMo3 tetrahedra,  a cornercorner with one O(3)MgZnMo3 trigonal bipyramid,  an edgeedge with one O(4)ZnMo3 tetrahedra, and  an edgeedge with one O(3)MgZnMo3 trigonal bipyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mo(1), one Mo(2), and one Zn(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgZn2Mo3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.591
_cell_length_b   6.341
_cell_length_c   6.992
_cell_angle_alpha   118.331
_cell_angle_beta   122.745
_cell_angle_gamma   88.719
_symmetry_Int_Tables_number   1
_cell_volume   174.084
_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  0.455  0.749  0.515  1.0
  Zn  Zn1  1  0.745  0.659  0.318  1.0
  Zn  Zn2  1  0.270  0.317  0.642  1.0
  Mo  Mo3  1  0.514  0.020  0.037  1.0
  Mo  Mo4  1  0.000  0.733  0.986  1.0
  Mo  Mo5  1  0.992  0.249  0.987  1.0
  O  O6  1  0.004  0.394  0.769  1.0
  O  O7  1  0.018  0.625  0.234  1.0
  O  O8  1  0.996  0.871  0.756  1.0
  O  O9  1  0.991  0.111  0.227  1.0
  O  O10  1  0.475  0.392  0.247  1.0
  O  O11  1  0.458  0.865  0.240  1.0
  O  O12  1  0.513  0.112  0.773  1.0
  O  O13  1  0.533  0.654  0.779  1.0
[/CIF]
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