data_[K1Rb2Sb1Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Sb  2.0500  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.3787]
_cell_length_b [8.2260]
_cell_length_c [9.9857]
_cell_angle_alpha [86.0480]
_cell_angle_beta [73.9945]
_cell_angle_gamma [83.8406]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KRb2SbBr8]
_chemical_formula_sum '[K1 Rb2 Sb1 Br8]'
_cell_volume [500.3110]
_cell_formula_units_Z [1]
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  0.1708  0.5019  0.7234  1.0
  K  K1  1  0.0000  0.0000  0.5000  1.0
  Sb  Sb2  1  0.0000  0.0000  0.0000  1.0
  Br  Br3  2  0.1749  0.8253  0.1874  1.0
  Br  Br4  2  0.2157  0.2544  0.0165  1.0
  Br  Br5  2  0.2903  0.3185  0.4110  1.0
  Br  Br6  2  0.3262  0.8817  0.7960  1.0
]