data_[K2Rb2Pb2Se2S4]
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
  Se  2.5500  1.1500  1.0133
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.0308]
_cell_length_b [7.9290]
_cell_length_c [8.5979]
_cell_angle_alpha [76.7168]
_cell_angle_beta [74.5674]
_cell_angle_gamma [67.2588]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KRbPbSeS2]
_chemical_formula_sum '[K2 Rb2 Pb2 Se2 S4]'
_cell_volume [421.7432]
_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  2  0.0964  0.1920  0.1195  1
  Rb  Rb1  2  0.3579  0.5388  0.2987  1
  Pb  Pb2  2  0.3529  0.0649  0.6940  1
  Se  Se3  2  0.1523  0.4095  0.7257  1
  S  S4  2  0.2679  0.9635  0.4590  1
  S  S5  2  0.3552  0.8230  0.9307  1
]