data_[Er21Pd3I36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Pd  2.2000  1.4000  0.8462
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [15.6351]
_cell_length_b [15.6351]
_cell_length_c [10.6605]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Er7PdI12]
_chemical_formula_sum '[Er21 Pd3 I36]'
_cell_volume [2256.8821]
_cell_formula_units_Z [3]
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
[
  Er  Er0  18  0.0437  0.8859  0.8553  1
  Er  Er1  3  0.0000  0.0000  0.5000  1
  Pd  Pd2  3  0.0000  0.0000  0.0000  1
  I  I3  18  0.0186  0.4345  0.6579  1
  I  I4  18  0.0511  0.8705  0.3401  1
]