data_[Mg4Fe2Sb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Fe  1.8300  1.4000  0.8525
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.2161]
_cell_length_b [7.6459]
_cell_length_c [5.3930]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.8279]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Mg2FeSbO6]
_chemical_formula_sum '[Mg4 Fe2 Sb2 O12]'
_cell_volume [215.0633]
_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
[
  Mg  Mg0  2  0.0117  0.7500  0.0351  1.0
  Mg  Mg1  2  0.4798  0.2500  0.4300  1.0
  Fe  Fe2  2  0.5000  0.0000  0.0000  1.0
  Sb  Sb3  2  0.0000  0.0000  0.5000  1.0
  O  O4  4  0.1718  0.0692  0.1888  1.0
  O  O5  4  0.3185  0.0693  0.6772  1.0
  O  O6  2  0.1390  0.7500  0.4263  1.0
  O  O7  2  0.3793  0.7500  0.9290  1.0
]