data_[Rb10As2Se8Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  As  2.1800  1.1500  0.6600
  Se  2.5500  1.1500  1.0133
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [10.1291]
_cell_length_b [11.6874]
_cell_length_c [8.1764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Rb5As(Se2Cl)2]
_chemical_formula_sum '[Rb10 As2 Se8 Cl4]'
_cell_volume [967.9409]
_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  8  0.2473  0.1990  0.9199  1
  Rb  Rb1  2  0.5000  0.0000  0.4039  1
  As  As2  2  0.0000  0.0000  0.3977  1
  Se  Se3  4  0.0000  0.1607  0.2248  1
  Se  Se4  4  0.1900  0.0000  0.5651  1
  Cl  Cl5  4  0.5000  0.2293  0.1722  1
]