data_[Rb3Pm3N9O18]
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
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.8428]
_cell_length_b [7.8428]
_cell_length_c [9.5632]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [RbPm(NO2)3]
_chemical_formula_sum '[Rb3 Pm3 N9 O18]'
_cell_volume [509.4236]
_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  0.5434  1
  Pm  Pm1  3  0.0000  0.0000  0.0167  1
  N  N2  9  0.1649  0.3795  0.8629  1
  O  O3  9  0.1083  0.4395  0.4972  1
  O  O4  9  0.1164  0.7577  0.9766  1
]