data_[Bi2Te2S2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  Te  2.1000  1.4000  1.2933
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4341]
_cell_length_b [3.8264]
_cell_length_c [7.7646]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.2690]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [BiTeS]
_chemical_formula_sum '[Bi2 Te2 S2]'
_cell_volume [191.1103]
_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
[
  Bi  Bi0  2  0.4697  0.7500  0.7738  1
  Te  Te1  2  0.1741  0.7500  0.4417  1
  S  S2  2  0.2499  0.2500  0.9289  1
]