data_[Rb3Sm3Ga6Br18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sm  1.1700  1.8500  1.2290
  Ga  1.8100  1.3000  0.7600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.9216]
_cell_length_b [7.9216]
_cell_length_c [21.3307]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [RbSm(GaBr3)2]
_chemical_formula_sum '[Rb3 Sm3 Ga6 Br18]'
_cell_volume [1159.1962]
_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
[
  Rb  Rb0  3  0.0000  0.0000  0.8107  1.0
  Sm  Sm1  3  0.0000  0.0000  0.3242  1.0
  Ga  Ga2  3  0.0000  0.0000  0.0077  1.0
  Ga  Ga3  3  0.0000  0.0000  0.5156  1.0
  Br  Br4  9  0.0316  0.3513  0.9218  1.0
  Br  Br5  9  0.0772  0.7101  0.0795  1.0
]