data_[Rb2Sr2As2S8]
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 [P2_1/m]
_cell_length_a [6.9312]
_cell_length_b [6.8843]
_cell_length_c [9.2209]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.7374]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbSrAsS4]
_chemical_formula_sum '[Rb2 Sr2 As2 S8]'
_cell_volume [421.3527]
_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  2  0.2657  0.7500  0.0639  1.0
  Sr  Sr1  2  0.2363  0.7500  0.5508  1.0
  As  As2  2  0.2093  0.2500  0.3178  1.0
  S  S3  4  0.0067  0.5013  0.2767  1.0
  S  S4  2  0.3859  0.2500  0.5566  1.0
  S  S5  2  0.4035  0.2500  0.1687  1.0
]