data_[Rb4Tb4Cu8I24]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [14.0426]
_cell_length_b [14.4969]
_cell_length_c [7.8370]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.1939]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbTb(CuI3)2]
_chemical_formula_sum '[Rb4 Tb4 Cu8 I24]'
_cell_volume [1586.0970]
_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  0.0835  0.7500  1.0
  Tb  Tb1  4  0.0000  0.2832  0.2500  1.0
  Cu  Cu2  8  0.1750  0.4210  0.7931  1.0
  I  I3  8  0.1146  0.2840  0.5964  1.0
  I  I4  8  0.1331  0.1241  0.1608  1.0
  I  I5  8  0.1396  0.4262  0.1170  1.0
]