data_[Rb4Cr2Ni4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cr  1.6600  1.4000  0.9400
  Ni  1.9100  1.3500  0.7400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.9482]
_cell_length_b [3.7191]
_cell_length_c [7.5571]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0223]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Cr(NiS2)2]
_chemical_formula_sum '[Rb4 Cr2 Ni4 S8]'
_cell_volume [372.7869]
_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  0.1319  0.0000  0.5537  1
  Cr  Cr1  2  0.0000  0.0000  0.0000  1
  Ni  Ni2  4  0.1867  0.5000  0.9900  1
  S  S3  4  0.0220  0.5000  0.8018  1
  S  S4  4  0.1887  0.0000  0.1530  1
]