data_[Rb6Sn4As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.7526]
_cell_length_b [5.0651]
_cell_length_c [7.7579]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3519]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(SnAs2)2]
_chemical_formula_sum '[Rb6 Sn4 As8]'
_cell_volume [635.5138]
_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  4  0.1410  0.0000  0.7306  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  4  0.1699  0.5000  0.3874  1.0
  As  As3  4  0.0083  0.5000  0.3503  1.0
  As  As4  4  0.2050  0.0000  0.2655  1.0
]