data_[Rb2Tb2Cu6S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.8693]
_cell_length_b [7.2913]
_cell_length_c [10.0902]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9272]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTbCu3S4]
_chemical_formula_sum '[Rb2 Tb2 Cu6 S8]'
_cell_volume [422.4871]
_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  0.2652  0.7500  0.1064  1
  Tb  Tb1  2  0.3984  0.7500  0.6889  1
  Cu  Cu2  4  0.1976  0.0672  0.4803  1
  Cu  Cu3  2  0.0754  0.2500  0.2388  1
  S  S4  4  0.0915  0.0114  0.6969  1
  S  S5  2  0.2920  0.2500  0.0856  1
  S  S6  2  0.4893  0.7500  0.4427  1
]