data_[Pm21Cl36O3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [14.0965]
_cell_length_b [14.0965]
_cell_length_c [9.4667]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm7Cl12O]
_chemical_formula_sum '[Pm21 Cl36 O3]'
_cell_volume [1629.1147]
_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
[
  Pm  Pm0  18  0.0422  0.1603  0.8477  1
  Pm  Pm1  3  0.0000  0.0000  0.5000  1
  Cl  Cl2  18  0.0232  0.5844  0.6622  1
  Cl  Cl3  18  0.0491  0.1851  0.3380  1
  O  O4  3  0.0000  0.0000  0.0000  1
]