data_[Na3Pm9Se12O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pm  1.1300  1.8500  1.1100
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [12.4546]
_cell_length_b [12.4546]
_cell_length_c [8.6864]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [NaPm3(SeO3)4]
_chemical_formula_sum '[Na3 Pm9 Se12 O36]'
_cell_volume [1166.8852]
_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
[
  Na  Na0  3  0.0000  0.0000  0.0000  1
  Pm  Pm1  9  0.0000  0.5628  0.0000  1
  Se  Se2  9  0.0000  0.4383  0.5000  1
  Se  Se3  3  0.0000  0.0000  0.5000  1
  O  O4  18  0.0421  0.2445  0.1704  1
  O  O5  9  0.0000  0.6172  0.5000  1
  O  O6  9  0.0000  0.8475  0.5000  1
]