data_[Rb2Cu2Sb2Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Sb  2.0500  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [8.8744]
_cell_length_b [10.8146]
_cell_length_c [7.5870]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.9554]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [RbCuSbBr6]
_chemical_formula_sum '[Rb2 Cu2 Sb2 Br12]'
_cell_volume [670.4839]
_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
[
  Rb  Rb0  2  0.0000  0.1112  0.0000  1.0
  Cu  Cu1  2  0.0000  0.3187  0.5000  1.0
  Sb  Sb2  2  0.0000  0.6717  0.5000  1.0
  Br  Br3  4  0.1104  0.4618  0.7644  1.0
  Br  Br4  4  0.1364  0.8255  0.7907  1.0
  Br  Br5  4  0.2057  0.1576  0.5476  1.0
]