data_[Ce8Pm4Cu4S20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.9066]
_cell_length_b [16.6570]
_cell_length_c [11.9749]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ce2PmCuS5]
_chemical_formula_sum '[Ce8 Pm4 Cu4 S20]'
_cell_volume [779.2394]
_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
[
  Ce  Ce0  4  0.0000  0.1151  0.6928  1
  Ce  Ce1  4  0.0000  0.1152  0.3486  1
  Pm  Pm2  4  0.0000  0.1783  0.0280  1
  Cu  Cu3  4  0.0000  0.4517  0.4213  1
  S  S4  4  0.0000  0.0116  0.0118  1
  S  S5  4  0.0000  0.3012  0.6946  1
  S  S6  4  0.0000  0.3178  0.3579  1
  S  S7  4  0.0000  0.3457  0.0203  1
  S  S8  4  0.0000  0.4925  0.7488  1
]