data_[Rb4W2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  W  2.3600  1.3500  0.7667
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.2228]
_cell_length_b [7.7743]
_cell_length_c [9.0209]
_cell_angle_alpha [73.8331]
_cell_angle_beta [68.9154]
_cell_angle_gamma [66.0935]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb2WSe3]
_chemical_formula_sum '[Rb4 W2 Se6]'
_cell_volume [426.8249]
_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  0.0920  0.1955  0.1303  1
  Rb  Rb1  2  0.3397  0.5620  0.3059  1
  W  W2  2  0.3803  0.0510  0.6602  1
  Se  Se3  2  0.1745  0.3676  0.7195  1
  Se  Se4  2  0.2615  0.9550  0.4869  1
  Se  Se5  2  0.3843  0.8264  0.9025  1
]