data_[Cs4Rb8As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.1694]
_cell_length_b [6.5803]
_cell_length_c [9.9808]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9019]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Cs(RbAs)2]
_chemical_formula_sum '[Cs4 Rb8 As8]'
_cell_volume [835.8232]
_cell_formula_units_Z [4]
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
[
  Cs  Cs0  4  0.0000  0.1665  0.2500  1
  Rb  Rb1  8  0.1605  0.3342  0.6523  1
  As  As2  8  0.1654  0.1746  0.9985  1
]