data_[Rb4Zn4Cr2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zn  1.6500  1.3500  0.8800
  Cr  1.6600  1.4000  0.9400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.1911]
_cell_length_b [3.7712]
_cell_length_c [7.4234]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6611]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Zn2CrS4]
_chemical_formula_sum '[Rb4 Zn4 Cr2 S8]'
_cell_volume [434.2418]
_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  0.1226  0.0000  0.5280  1
  Zn  Zn1  4  0.1730  0.5000  0.9968  1
  Cr  Cr2  2  0.0000  0.0000  0.0000  1
  S  S3  4  0.0294  0.5000  0.8095  1
  S  S4  4  0.2211  0.0000  0.1888  1
]