data_[Tm8Si2Bi2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.7989]
_cell_length_b [8.5884]
_cell_length_c [7.5541]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.0847]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tm4SiBi]
_chemical_formula_sum '[Tm8 Si2 Bi2]'
_cell_volume [363.2570]
_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
[
  Tm  Tm0  4  0.0244  0.0516  0.2283  1
  Tm  Tm1  2  0.3827  0.7500  0.4992  1
  Tm  Tm2  2  0.4556  0.2500  0.9965  1
  Si  Si3  2  0.0813  0.7500  0.0787  1
  Bi  Bi4  2  0.1536  0.2500  0.5898  1
]