data_[K8Rb2Br10]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.8140]
_cell_length_b [4.8140]
_cell_length_c [33.9843]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [K4RbBr5]
_chemical_formula_sum '[K8 Rb2 Br10]'
_cell_volume [787.5595]
_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
[
  K  K0  4  0.0000  0.0000  0.2008  1.0
  K  K1  4  0.0000  0.0000  0.3987  1.0
  Rb  Rb2  2  0.0000  0.0000  0.0000  1.0
  Br  Br3  4  0.0000  0.0000  0.1024  1.0
  Br  Br4  4  0.0000  0.0000  0.2996  1.0
  Br  Br5  2  0.0000  0.0000  0.5000  1.0
]