The material structure described by Mg2CoO4 is Spinel structured and crystallizes in the cubic Fd-3m space group. Mg(1) is bonded to six equivalent O(1) atoms to form MgO6 octahedra that share corners with six equivalent Co(1)O4 tetrahedra and edges with six equivalent Mg(1)O6 octahedra. Co(1) is bonded to four equivalent O(1) atoms to form CoO4 tetrahedra that share corners with twelve equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 55°. O(1) is bonded in a rectangular see-saw-like geometry to three equivalent Mg(1) and one Co(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Mg2CoO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.946
_cell_length_b   5.946
_cell_length_c   5.946
_cell_angle_alpha   90.000
_cell_angle_beta   60.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   148.659
_cell_formula_units_Z   2
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
  Co  Co0  1  0.250  0.125  0.125  1.0
  Co  Co1  1  0.750  0.875  0.875  1.0
  Mg  Mg2  1  0.500  0.500  0.500  1.0
  Mg  Mg3  1  1.000  0.500  0.000  1.0
  Mg  Mg4  1  0.500  0.000  0.500  1.0
  Mg  Mg5  1  0.000  0.500  0.500  1.0
  O  O6  1  0.502  0.251  0.251  1.0
  O  O7  1  0.998  0.748  0.251  1.0
  O  O8  1  0.002  0.749  0.749  1.0
  O  O9  1  0.498  0.749  0.252  1.0
  O  O10  1  0.502  0.251  0.748  1.0
  O  O11  1  0.998  0.251  0.251  1.0
  O  O12  1  0.002  0.252  0.749  1.0
  O  O13  1  0.498  0.749  0.749  1.0
[/CIF]
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The material structure described by Mg2CoO4 is Spinel structured and crystallizes in the cubic Fd-3m space group. Mg(1) is bonded to six equivalent O(1) atoms to form MgO6 octahedra that share corners with six equivalent Co(1)O4 tetrahedra and edges with six equivalent Mg(1)O6 octahedra. Co(1) is bonded to four equivalent O(1) atoms to form CoO4 tetrahedra that share corners with twelve equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 55°. O(1) is bonded in a rectangular see-saw-like geometry to three equivalent Mg(1) and one Co(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Mg2CoO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.946
_cell_length_b   5.946
_cell_length_c   5.946
_cell_angle_alpha   90.000
_cell_angle_beta   60.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   148.659
_cell_formula_units_Z   2
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
  Co  Co0  1  0.250  0.125  0.125  1.0
  Co  Co1  1  0.750  0.875  0.875  1.0
  Mg  Mg2  1  0.500  0.500  0.500  1.0
  Mg  Mg3  1  1.000  0.500  0.000  1.0
  Mg  Mg4  1  0.500  0.000  0.500  1.0
  Mg  Mg5  1  0.000  0.500  0.500  1.0
  O  O6  1  0.502  0.251  0.251  1.0
  O  O7  1  0.998  0.748  0.251  1.0
  O  O8  1  0.002  0.749  0.749  1.0
  O  O9  1  0.498  0.749  0.252  1.0
  O  O10  1  0.502  0.251  0.748  1.0
  O  O11  1  0.998  0.251  0.251  1.0
  O  O12  1  0.002  0.252  0.749  1.0
  O  O13  1  0.498  0.749  0.749  1.0
[/CIF]
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