data_[Rb2V2Pb2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  V  1.6300  1.3500  0.7775
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.0644]
_cell_length_b [7.2319]
_cell_length_c [9.3264]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2231]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbVPbSe4]
_chemical_formula_sum '[Rb2 V2 Pb2 Se8]'
_cell_volume [455.1086]
_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
[
  Rb  Rb0  2  0.2679  0.2500  0.0699  1.0
  V  V1  2  0.1999  0.7500  0.3164  1.0
  Pb  Pb2  2  0.2522  0.2500  0.5645  1.0
  Se  Se3  4  0.0077  0.5016  0.7184  1.0
  Se  Se4  2  0.3924  0.7500  0.1561  1.0
  Se  Se5  2  0.3965  0.7500  0.5589  1.0
]