data_[Pm16Bi2C4]
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
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.7017]
_cell_length_b [13.4480]
_cell_length_c [5.0834]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.6571]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8BiC2]
_chemical_formula_sum '[Pm16 Bi2 C4]'
_cell_volume [588.0882]
_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  0.2279  0.1371  0.0739  1
  Pm  Pm1  4  0.0000  0.2603  0.5000  1
  Pm  Pm2  4  0.1102  0.5000  0.3021  1
  Bi  Bi3  2  0.0000  0.0000  0.5000  1
  C  C4  4  0.0000  0.3260  0.0000  1
]