data_[Pr6Nd3Tm3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Tm  1.2500  1.7500  1.0950
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [6.0405]
_cell_length_b [6.0405]
_cell_length_c [15.4796]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Pr2NdTmO6]
_chemical_formula_sum '[Pr6 Nd3 Tm3 O18]'
_cell_volume [489.1379]
_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
[
  Pr  Pr0  3  0.0000  0.0000  0.4684  1.0
  Pr  Pr1  3  0.0000  0.0000  0.9710  1.0
  Nd  Nd2  3  0.0000  0.0000  0.1940  1.0
  Tm  Tm3  3  0.0000  0.0000  0.6882  1.0
  O  O4  9  0.0508  0.3562  0.7512  1.0
  O  O5  9  0.0581  0.6789  0.2544  1.0
]