data_[Rb3Pm9Se12O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [12.5450]
_cell_length_b [12.5450]
_cell_length_c [8.7418]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [RbPm3(SeO3)4]
_chemical_formula_sum '[Rb3 Pm9 Se12 O36]'
_cell_volume [1191.4505]
_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
[
  Rb  Rb0  3  0.0000  0.0000  0.0000  1
  Pm  Pm1  9  0.0000  0.5660  0.0000  1
  Se  Se2  9  0.0000  0.4336  0.5000  1
  Se  Se3  3  0.0000  0.0000  0.5000  1
  O  O4  18  0.0454  0.2509  0.1701  1
  O  O5  9  0.0000  0.6172  0.5000  1
  O  O6  9  0.0000  0.8485  0.5000  1
]