data_[Sm8Cu2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Cu  1.9000  1.3500  0.8200
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.7728]
_cell_length_b [4.3690]
_cell_length_c [7.6618]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.5158]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm4CuBi2]
_chemical_formula_sum '[Sm8 Cu2 Bi4]'
_cell_volume [468.2652]
_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
[
  Sm  Sm0  4  0.1104  0.0000  0.4262  1
  Sm  Sm1  4  0.1166  0.5000  0.9741  1
  Cu  Cu2  2  0.0000  0.0000  0.0000  1
  Bi  Bi3  4  0.2354  0.5000  0.7349  1
]