data_[Ca2Mg4Mn2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Mg  1.3100  1.5000  0.8600
  Mn  1.5500  1.4000  0.6483
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [5.3929]
_cell_length_b [5.3929]
_cell_length_c [10.5911]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [CaMg2MnS4]
_chemical_formula_sum '[Ca2 Mg4 Mn2 S8]'
_cell_volume [308.0209]
_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
[
  Ca  Ca0  2  0.0000  0.0000  0.5000  1.0
  Mg  Mg1  4  0.0000  0.5000  0.2500  1.0
  Mn  Mn2  2  0.0000  0.0000  0.0000  1.0
  S  S3  4  0.0000  0.0000  0.2374  1.0
  S  S4  4  0.0000  0.5000  0.0000  1.0
]