data_[Pm6Tm8Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [11.3400]
_cell_length_b [4.3203]
_cell_length_c [14.2224]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Pm3(TmBi)4]
_chemical_formula_sum '[Pm6 Tm8 Bi8]'
_cell_volume [696.7846]
_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  0.3504  0.0000  0.3654  1
  Pm  Pm1  2  0.0000  0.0000  0.2871  1
  Tm  Tm2  4  0.2417  0.0000  0.0649  1
  Tm  Tm3  2  0.0000  0.0000  0.5895  1
  Tm  Tm4  2  0.5000  0.0000  0.6665  1
  Bi  Bi5  4  0.2186  0.0000  0.7274  1
  Bi  Bi6  2  0.0000  0.0000  0.9447  1
  Bi  Bi7  2  0.5000  0.0000  0.9954  1
]