data_[Rb2Yb2I6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Yb  1.1000  1.7500  1.0840
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.7444]
_cell_length_b [8.7416]
_cell_length_c [6.1962]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.2410]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [RbYbI3]
_chemical_formula_sum '[Rb2 Yb2 I6]'
_cell_volume [473.6326]
_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  0.4928  0.5000  0.0576  1.0
  Yb  Yb1  2  0.4993  0.0000  0.4767  1.0
  I  I2  4  0.2499  0.2486  0.4650  1.0
  I  I3  2  0.0012  0.5000  0.9747  1.0
]