data_[Pm16Bi4As8]
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
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.3126]
_cell_length_b [13.9087]
_cell_length_c [14.1727]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pm4BiAs2]
_chemical_formula_sum '[Pm16 Bi4 As8]'
_cell_volume [850.1089]
_cell_formula_units_Z [4]
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  0.0000  0.2341  0.6177  1
  Pm  Pm1  4  0.0000  0.0601  0.2500  1
  Pm  Pm2  4  0.0000  0.5000  0.0000  1
  Bi  Bi3  4  0.0000  0.3923  0.2500  1
  As  As4  8  0.0000  0.1352  0.0599  1
]