data_[Rb4Ac4I16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ac  1.1000  1.9500  1.2600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.0261]
_cell_length_b [15.7571]
_cell_length_c [8.1832]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.6965]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbAcI4]
_chemical_formula_sum '[Rb4 Ac4 I16]'
_cell_volume [1196.4597]
_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  0.3641  0.2500  1
  Ac  Ac1  4  0.0000  0.0034  0.7500  1
  I  I2  8  0.1062  0.1630  0.5712  1
  I  I3  8  0.2230  0.4374  0.7950  1
]