data_[Pm16Ge6Bi4]
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 [16.0313]
_cell_length_b [8.3284]
_cell_length_c [7.3062]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8424]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8Ge3Bi2]
_chemical_formula_sum '[Pm16 Ge6 Bi4]'
_cell_volume [933.6358]
_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  8  0.1049  0.2503  0.3987  1
  Pm  Pm1  4  0.0945  0.5000  0.8643  1
  Pm  Pm2  4  0.1058  0.0000  0.9041  1
  Ge  Ge3  4  0.0000  0.2533  0.0000  1
  Ge  Ge4  2  0.0000  0.0000  0.5000  1
  Bi  Bi5  4  0.2499  0.0000  0.3313  1
]