data_[K8Ca4Zn4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ca  1.0000  1.8000  1.1400
  Zn  1.6500  1.3500  0.8800
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [7.1592]
_cell_length_b [16.6373]
_cell_length_c [7.3990]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [K2CaZnBi2]
_chemical_formula_sum '[K8 Ca4 Zn4 Bi8]'
_cell_volume [881.2976]
_cell_formula_units_Z [4]
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  8  0.2367  0.3248  0.0000  1.0
  Ca  Ca1  4  0.0000  0.0000  0.2500  1.0
  Zn  Zn2  4  0.0000  0.5000  0.2500  1.0
  Bi  Bi3  8  0.2225  0.3996  0.5000  1.0
]