data_[Rb4Tb8Cu12S4O16]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.5397]
_cell_length_b [12.0413]
_cell_length_c [15.8422]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbTb2Cu3SO4]
_chemical_formula_sum '[Rb4 Tb8 Cu12 S4 O16]'
_cell_volume [675.2390]
_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  0.0408  0.7500  1
  Tb  Tb1  8  0.0000  0.1852  0.0850  1
  Cu  Cu2  8  0.0000  0.4323  0.0642  1
  Cu  Cu3  4  0.0000  0.3389  0.7500  1
  S  S4  4  0.0000  0.2613  0.2500  1
  O  O5  8  0.0000  0.1797  0.5565  1
  O  O6  8  0.0000  0.4236  0.6190  1
]