data_[Ce12Nb3O30]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [3.8300]
_cell_length_b [3.8300]
_cell_length_c [46.3671]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ce4NbO10]
_chemical_formula_sum '[Ce12 Nb3 O30]'
_cell_volume [589.0300]
_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
[
  Ce  Ce0  6  0.0000  0.0000  0.2009  1
  Ce  Ce1  6  0.0000  0.0000  0.3973  1
  Nb  Nb2  3  0.0000  0.0000  0.0000  1
  O  O3  6  0.0000  0.0000  0.0430  1
  O  O4  6  0.0000  0.0000  0.1494  1
  O  O5  6  0.0000  0.0000  0.2543  1
  O  O6  6  0.0000  0.0000  0.3427  1
  O  O7  6  0.0000  0.0000  0.4474  1
]