data_[K4Rb2Pb4F14]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.6490]
_cell_length_b [7.0494]
_cell_length_c [12.0608]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.7276]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2RbPb2F7]
_chemical_formula_sum '[K4 Rb2 Pb4 F14]'
_cell_volume [549.1547]
_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  0.1348  0.0000  0.3736  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  4  0.1000  0.5000  0.2087  1.0
  F  F3  8  0.1225  0.2108  0.7999  1.0
  F  F4  4  0.2490  0.0000  0.5893  1.0
  F  F5  2  0.0000  0.5000  0.0000  1.0
]