data_[Rb4V4Se10]
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/m]
_cell_length_a [13.7734]
_cell_length_b [4.9499]
_cell_length_c [8.5888]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1560]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2V2Se5]
_chemical_formula_sum '[Rb4 V4 Se10]'
_cell_volume [576.3885]
_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  0.0924  0.5000  0.3109  1.0
  V  V1  4  0.1483  0.0000  0.8936  1.0
  Se  Se2  4  0.1289  0.0000  0.6256  1.0
  Se  Se3  4  0.1845  0.5000  0.9486  1.0
  Se  Se4  2  0.0000  0.0000  0.0000  1.0
]