data_[Rb4Pm4Bi2S12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pm  1.1300  1.8500  1.1100
  Bi  2.0200  1.6000  1.0350
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.1302]
_cell_length_b [12.3233]
_cell_length_c [8.2822]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.5570]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Pm2BiS6]
_chemical_formula_sum '[Rb4 Pm4 Bi2 S12]'
_cell_volume [697.5649]
_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
[
  Rb  Rb0  4  0.0000  0.1674  0.0000  1
  Pm  Pm1  4  0.0000  0.3332  0.5000  1
  Bi  Bi2  2  0.0000  0.0000  0.5000  1
  S  S3  8  0.2270  0.1647  0.6915  1
  S  S4  4  0.2394  0.5000  0.6912  1
]