The material structure described by MgFe4(CoO4)2 crystallizes in the cubic F-43m space group. Mg(1) is bonded to four equivalent Fe(1) and four equivalent O(1) atoms to form MgFe4O4 tetrahedra that share corners with four equivalent Co(2)O4 tetrahedra. Fe(1) is bonded in a 7-coordinate geometry to one Mg(1), three equivalent O(1), and three equivalent O(2) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a tetrahedral geometry to four equivalent O(2) atoms. In the second Co site, Co(2) is bonded to four equivalent O(1) atoms to form CoO4 tetrahedra that share corners with four equivalent Mg(1)Fe4O4 tetrahedra. There are two inequivalent O sites. In the first O site, O(2) is bonded in a rectangular see-saw-like geometry to three equivalent Fe(1) and one Co(1) atom. In the second O site, O(1) is bonded in a 5-coordinate geometry to one Mg(1), three equivalent Fe(1), and one Co(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgFe4(CoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.412
_cell_length_b   6.412
_cell_length_c   6.412
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   186.429
_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  0.250  0.250  0.250  1.0
  Fe  Fe1  1  0.818  0.394  0.394  1.0
  Fe  Fe2  1  0.394  0.818  0.394  1.0
  Fe  Fe3  1  0.394  0.394  0.818  1.0
  Fe  Fe4  1  0.394  0.394  0.394  1.0
  Co  Co5  1  0.750  0.750  0.750  1.0
  Co  Co6  1  0.000  0.000  0.000  1.0
  O  O7  1  0.606  0.131  0.131  1.0
  O  O8  1  0.131  0.606  0.131  1.0
  O  O9  1  0.131  0.131  0.606  1.0
  O  O10  1  0.131  0.131  0.131  1.0
  O  O11  1  0.147  0.618  0.618  1.0
  O  O12  1  0.618  0.147  0.618  1.0
  O  O13  1  0.618  0.618  0.147  1.0
  O  O14  1  0.618  0.618  0.618  1.0
[/CIF]
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The material structure described by MgFe4(CoO4)2 crystallizes in the cubic F-43m space group. Mg(1) is bonded to four equivalent Fe(1) and four equivalent O(1) atoms to form MgFe4O4 tetrahedra that share corners with four equivalent Co(2)O4 tetrahedra. Fe(1) is bonded in a 7-coordinate geometry to one Mg(1), three equivalent O(1), and three equivalent O(2) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a tetrahedral geometry to four equivalent O(2) atoms. In the second Co site, Co(2) is bonded to four equivalent O(1) atoms to form CoO4 tetrahedra that share corners with four equivalent Mg(1)Fe4O4 tetrahedra. There are two inequivalent O sites. In the first O site, O(2) is bonded in a rectangular see-saw-like geometry to three equivalent Fe(1) and one Co(1) atom. In the second O site, O(1) is bonded in a 5-coordinate geometry to one Mg(1), three equivalent Fe(1), and one Co(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgFe4(CoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.412
_cell_length_b   6.412
_cell_length_c   6.412
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   186.429
_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  0.250  0.250  0.250  1.0
  Fe  Fe1  1  0.818  0.394  0.394  1.0
  Fe  Fe2  1  0.394  0.818  0.394  1.0
  Fe  Fe3  1  0.394  0.394  0.818  1.0
  Fe  Fe4  1  0.394  0.394  0.394  1.0
  Co  Co5  1  0.750  0.750  0.750  1.0
  Co  Co6  1  0.000  0.000  0.000  1.0
  O  O7  1  0.606  0.131  0.131  1.0
  O  O8  1  0.131  0.606  0.131  1.0
  O  O9  1  0.131  0.131  0.606  1.0
  O  O10  1  0.131  0.131  0.131  1.0
  O  O11  1  0.147  0.618  0.618  1.0
  O  O12  1  0.618  0.147  0.618  1.0
  O  O13  1  0.618  0.618  0.147  1.0
  O  O14  1  0.618  0.618  0.618  1.0
[/CIF]
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