data_[Rb4Cr4Cu8S16]
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
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Ama2]
_cell_length_a [7.3914]
_cell_length_b [18.2278]
_cell_length_c [5.4383]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [40]
_chemical_formula_structural [RbCr(CuS2)2]
_chemical_formula_sum '[Rb4 Cr4 Cu8 S16]'
_cell_volume [732.6999]
_cell_formula_units_Z [4]
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  0.2500  0.3172  0.1443  1
  Cr  Cr1  4  0.2500  0.1085  0.3973  1
  Cu  Cu2  4  0.0000  0.0000  0.3768  1
  Cu  Cu3  4  0.2500  0.1060  0.8973  1
  S  S4  8  0.0109  0.1079  0.1646  1
  S  S5  4  0.2500  0.0088  0.6276  1
  S  S6  4  0.2500  0.2027  0.6316  1
]