data_[Rb4Er2Ga2Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  Ga  1.8100  1.3000  0.7600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.9258]
_cell_length_b [8.2999]
_cell_length_c [13.8460]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.6189]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2ErGaBr6]
_chemical_formula_sum '[Rb4 Er2 Ga2 Br12]'
_cell_volume [749.5754]
_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  4  0.2725  0.0698  0.2500  1.0
  Er  Er1  2  0.0000  0.0000  0.5000  1.0
  Ga  Ga2  2  0.5000  0.0000  0.0000  1.0
  Br  Br3  4  0.1441  0.0216  0.7359  1.0
  Br  Br4  4  0.2294  0.7186  0.5470  1.0
  Br  Br5  4  0.3313  0.1864  0.5454  1.0
]