data_[K4Rb2Pb4Br14]
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
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [6.1457]
_cell_length_b [25.7611]
_cell_length_c [6.4843]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [K2RbPb2Br7]
_chemical_formula_sum '[K4 Rb2 Pb4 Br14]'
_cell_volume [1026.5876]
_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  0.2633  0.4952  1.0
  Rb  Rb1  2  0.0000  0.0000  0.8604  1.0
  Pb  Pb2  4  0.0000  0.3866  0.9769  1.0
  Br  Br3  4  0.0000  0.1175  0.5301  1.0
  Br  Br4  4  0.0000  0.2683  0.9943  1.0
  Br  Br5  4  0.0000  0.3932  0.5359  1.0
  Br  Br6  2  0.0000  0.5000  0.0751  1.0
]