data_[Rb4Gd8Cu4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Gd  1.2000  1.8000  1.0750
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0225]
_cell_length_b [13.9123]
_cell_length_c [13.8611]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbGd2CuS4]
_chemical_formula_sum '[Rb4 Gd8 Cu4 S16]'
_cell_volume [775.6939]
_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  0.0000  0.1066  0.7500  1
  Gd  Gd1  8  0.0000  0.3660  0.5613  1
  Cu  Cu2  4  0.0000  0.1655  0.2500  1
  S  S3  8  0.0000  0.2592  0.1096  1
  S  S4  4  0.0000  0.0000  0.0000  1
  S  S5  4  0.0000  0.4234  0.7500  1
]