data_[Pm8Bi10H4]
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 [C2/m]
_cell_length_a [16.5524]
_cell_length_b [4.2120]
_cell_length_c [9.3936]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.2239]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm4Bi5H2]
_chemical_formula_sum '[Pm8 Bi10 H4]'
_cell_volume [653.8808]
_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  0.0171  0.0000  0.7359  1
  Pm  Pm1  4  0.2105  0.5000  0.7081  1
  Bi  Bi2  4  0.1357  0.0000  0.4756  1
  Bi  Bi3  4  0.1691  0.0000  0.9968  1
  Bi  Bi4  2  0.0000  0.5000  0.0000  1
  H  H5  4  0.0741  0.5000  0.7088  1
]