data_[Pm16Ge4Bi2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ge  2.0100  1.2500  0.7700
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.3739]
_cell_length_b [4.7009]
_cell_length_c [7.3427]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.4320]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8Ge2Bi]
_chemical_formula_sum '[Pm16 Ge4 Bi2]'
_cell_volume [681.0661]
_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  0.0375  0.0000  0.7565  1
  Pm  Pm1  4  0.1028  0.5000  0.4750  1
  Pm  Pm2  4  0.1689  0.5000  0.9939  1
  Pm  Pm3  4  0.2159  0.0000  0.3384  1
  Ge  Ge4  4  0.1864  0.0000  0.7410  1
  Bi  Bi5  2  0.0000  0.5000  0.0000  1
]