data_[Pm36Rh18O3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Rh  2.2800  1.3500  0.7450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.4314]
_cell_length_b [12.4314]
_cell_length_c [11.7392]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm12Rh6O]
_chemical_formula_sum '[Pm36 Rh18 O3]'
_cell_volume [1571.1219]
_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  0.0231  0.2141  0.3906  1
  Pm  Pm1  18  0.0351  0.1923  0.8836  1
  Rh  Rh2  18  0.0480  0.2702  0.6504  1
  O  O3  3  0.0000  0.0000  0.0000  1
]