data_[Rb4V2Se10]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [15.6579]
_cell_length_b [7.1614]
_cell_length_c [5.1962]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.4624]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [Rb2VSe5]
_chemical_formula_sum '[Rb4 V2 Se10]'
_cell_volume [555.8029]
_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  4  0.1544  0.5091  0.1503  1.0
  V  V1  2  0.0000  0.8941  0.5000  1.0
  Se  Se2  4  0.1142  0.0564  0.8611  1.0
  Se  Se3  4  0.1299  0.9764  0.3384  1.0
  Se  Se4  2  0.0000  0.5763  0.5000  1.0
]