data_[Rb4As8]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4782]
_cell_length_b [3.7468]
_cell_length_c [8.1099]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4008]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbAs2]
_chemical_formula_sum '[Rb4 As8]'
_cell_volume [392.8898]
_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
[
  Rb  Rb0  4  0.1648  0.0000  0.6992  1.0
  As  As1  4  0.0637  0.5000  0.2960  1.0
  As  As2  4  0.0876  0.0000  0.1072  1.0
]