data_[Rb2Cu2W2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  W  2.3600  1.3500  0.7667
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.6403]
_cell_length_b [7.6489]
_cell_length_c [10.5866]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.4078]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbCuWSe4]
_chemical_formula_sum '[Rb2 Cu2 W2 Se8]'
_cell_volume [440.3147]
_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  0.1884  0.2500  0.8599  1.0
  Cu  Cu1  2  0.3587  0.7500  0.7203  1.0
  W  W2  2  0.1419  0.2500  0.2808  1.0
  Se  Se3  4  0.3826  0.5030  0.2882  1.0
  Se  Se4  2  0.0045  0.7500  0.5328  1.0
  Se  Se5  2  0.1927  0.7500  0.9126  1.0
]