data_[Ge4Pt4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ge  2.0100  1.2500  0.7700
  Pt  2.2800  1.3500  0.8050
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pca2_1]
_cell_length_a [6.0919]
_cell_length_b [6.1511]
_cell_length_c [6.0776]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [29]
_chemical_formula_structural [GePtSe]
_chemical_formula_sum '[Ge4 Pt4 Se4]'
_cell_volume [227.7411]
_cell_formula_units_Z [4]
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
[
  Ge  Ge0  4  0.1193  0.1256  0.1185  1.0
  Pt  Pt1  4  0.0077  0.2401  0.4964  1.0
  Se  Se2  4  0.1161  0.6363  0.3841  1.0
]