data_[Sm3H3I3Br3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  H  2.2000  0.2500  0.0000
  I  2.6600  1.4000  1.2733
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.0132]
_cell_length_b [4.0132]
_cell_length_c [23.7837]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [SmHIBr]
_chemical_formula_sum '[Sm3 H3 I3 Br3]'
_cell_volume [331.7300]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.7188  1.0
  H  H1  3  0.0000  0.0000  0.3839  1.0
  I  I2  3  0.0000  0.0000  0.9610  1.0
  Br  Br3  3  0.0000  0.0000  0.1320  1.0
]