data_[Pm8Bi2H2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Bi  2.0200  1.6000  1.0350
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.1465]
_cell_length_b [9.6105]
_cell_length_c [6.4388]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1241]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pm4BiH]
_chemical_formula_sum '[Pm8 Bi2 H2]'
_cell_volume [368.8518]
_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
[
  Pm  Pm0  4  0.2965  0.5542  0.2072  1
  Pm  Pm1  2  0.1843  0.7500  0.7121  1
  Pm  Pm2  2  0.2200  0.2500  0.8962  1
  Bi  Bi3  2  0.3561  0.2500  0.4367  1
  H  H4  2  0.1308  0.7500  0.0462  1
]