data_[Cs2K2V2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  V  1.6300  1.3500  0.7775
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.7473]
_cell_length_b [6.1771]
_cell_length_c [11.1465]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.7989]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsKVSe4]
_chemical_formula_sum '[Cs2 K2 V2 Se8]'
_cell_volume [520.1760]
_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
[
  Cs  Cs0  2  0.2604  0.2500  0.0320  1.0
  K  K1  2  0.2239  0.2500  0.5527  1.0
  V  V2  2  0.2277  0.7500  0.3050  1.0
  Se  Se3  4  0.0122  0.0197  0.2523  1.0
  Se  Se4  2  0.3537  0.7500  0.5065  1.0
  Se  Se5  2  0.4331  0.7500  0.1872  1.0
]