data_[Er3Pa18Se36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Pa  1.5000  1.8000  1.0400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.7073]
_cell_length_b [12.7073]
_cell_length_c [11.5166]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Er(PaSe2)6]
_chemical_formula_sum '[Er3 Pa18 Se36]'
_cell_volume [1610.4991]
_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  3  0.0000  0.0000  0.0000  1
  Pa  Pa1  18  0.0495  0.2737  0.6415  1
  Se  Se2  18  0.0341  0.2112  0.3882  1
  Se  Se3  18  0.0514  0.2092  0.8818  1
]