data_[Rb4Sr2As4S12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  As  2.1800  1.1500  0.6600
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6715]
_cell_length_b [7.2948]
_cell_length_c [8.5848]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.3204]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Sr(AsS3)2]
_chemical_formula_sum '[Rb4 Sr2 As4 S12]'
_cell_volume [677.8980]
_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  0.2119  0.5000  0.2113  1.0
  Sr  Sr1  2  0.0000  0.5000  0.5000  1.0
  As  As2  4  0.0292  0.0000  0.1691  1.0
  S  S3  8  0.0579  0.2478  0.8109  1.0
  S  S4  4  0.2281  0.0000  0.3457  1.0
]