The material described by MgMo2Fe2(O4Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(5), one O(8), and one Cl(1) atom to form distorted MgClO4 trigonal bipyramids that share  an edgeedge with one Mo(1)O4 tetrahedra and  an edgeedge with one Mo(2)O4 tetrahedra. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(3), one O(4), one O(6), and one O(8) atom to form MoO4 tetrahedra that share  an edgeedge with one Mg(1)ClO4 trigonal bipyramid. In the second Mo site, Mo(2) is bonded to one O(1), one O(2), one O(5), and one O(7) atom to form MoO4 tetrahedra that share  an edgeedge with one Mg(1)ClO4 trigonal bipyramid. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and two equivalent Cl(1) atoms. In the second Fe site, Fe(2) is bonded in a 5-coordinate geometry to one O(5), one O(6), one O(7), one O(8), and one Cl(2) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mo(2) and one Fe(1) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Mg(1), one Mo(2), and one Fe(1) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one Mo(1), and one Fe(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(1) and one Fe(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 Fe(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Mo(1) and one Fe(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mo(2) and one Fe(2) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Mg(1), one Mo(1), and one Fe(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and two equivalent Fe(1) atoms. In the second Cl site, Cl(2) is bonded in a distorted single-bond geometry to one Fe(2) atom. is represented by the CIF file [CIF]
data_MgFe2Mo2(ClO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.333
_cell_length_b   7.186
_cell_length_c   7.207
_cell_angle_alpha   92.841
_cell_angle_beta   89.346
_cell_angle_gamma   89.224
_symmetry_Int_Tables_number   1
_cell_volume   275.826
_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  0.898  0.468  0.468  1.0
  Fe  Fe1  1  0.247  0.235  0.234  1.0
  Fe  Fe2  1  0.741  0.762  0.763  1.0
  Mo  Mo3  1  0.006  0.243  0.762  1.0
  Mo  Mo4  1  0.006  0.762  0.243  1.0
  Cl  Cl5  1  0.701  0.253  0.253  1.0
  Cl  Cl6  1  0.302  0.730  0.730  1.0
  O  O7  1  0.213  0.954  0.252  1.0
  O  O8  1  0.159  0.533  0.258  1.0
  O  O9  1  0.159  0.257  0.534  1.0
  O  O10  1  0.213  0.252  0.953  1.0
  O  O11  1  0.807  0.743  0.451  1.0
  O  O12  1  0.817  0.043  0.763  1.0
  O  O13  1  0.816  0.764  0.044  1.0
  O  O14  1  0.807  0.452  0.742  1.0
[/CIF]
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The material described by MgMo2Fe2(O4Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(5), one O(8), and one Cl(1) atom to form distorted MgClO4 trigonal bipyramids that share  an edgeedge with one Mo(1)O4 tetrahedra and  an edgeedge with one Mo(2)O4 tetrahedra. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(3), one O(4), one O(6), and one O(8) atom to form MoO4 tetrahedra that share  an edgeedge with one Mg(1)ClO4 trigonal bipyramid. In the second Mo site, Mo(2) is bonded to one O(1), one O(2), one O(5), and one O(7) atom to form MoO4 tetrahedra that share  an edgeedge with one Mg(1)ClO4 trigonal bipyramid. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and two equivalent Cl(1) atoms. In the second Fe site, Fe(2) is bonded in a 5-coordinate geometry to one O(5), one O(6), one O(7), one O(8), and one Cl(2) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mo(2) and one Fe(1) atom. In the second O site, O(2) is bonded in a T-shaped geometry to one Mg(1), one Mo(2), and one Fe(1) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one Mo(1), and one Fe(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(1) and one Fe(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 Fe(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Mo(1) and one Fe(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mo(2) and one Fe(2) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Mg(1), one Mo(1), and one Fe(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and two equivalent Fe(1) atoms. In the second Cl site, Cl(2) is bonded in a distorted single-bond geometry to one Fe(2) atom. is represented by the CIF file [CIF]
data_MgFe2Mo2(ClO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.333
_cell_length_b   7.186
_cell_length_c   7.207
_cell_angle_alpha   92.841
_cell_angle_beta   89.346
_cell_angle_gamma   89.224
_symmetry_Int_Tables_number   1
_cell_volume   275.826
_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  0.898  0.468  0.468  1.0
  Fe  Fe1  1  0.247  0.235  0.234  1.0
  Fe  Fe2  1  0.741  0.762  0.763  1.0
  Mo  Mo3  1  0.006  0.243  0.762  1.0
  Mo  Mo4  1  0.006  0.762  0.243  1.0
  Cl  Cl5  1  0.701  0.253  0.253  1.0
  Cl  Cl6  1  0.302  0.730  0.730  1.0
  O  O7  1  0.213  0.954  0.252  1.0
  O  O8  1  0.159  0.533  0.258  1.0
  O  O9  1  0.159  0.257  0.534  1.0
  O  O10  1  0.213  0.252  0.953  1.0
  O  O11  1  0.807  0.743  0.451  1.0
  O  O12  1  0.817  0.043  0.763  1.0
  O  O13  1  0.816  0.764  0.044  1.0
  O  O14  1  0.807  0.452  0.742  1.0
[/CIF]
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