data_[Eu6Nb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.8079]
_cell_length_b [6.0530]
_cell_length_c [10.1952]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8249]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Eu3NbO6]
_chemical_formula_sum '[Eu6 Nb2 O12]'
_cell_volume [294.2249]
_cell_formula_units_Z [2]
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
[
  Eu  Eu0  4  0.2681  0.0554  0.2526  1.0
  Eu  Eu1  2  0.5000  0.0000  0.0000  1.0
  Nb  Nb2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.1090  0.0525  0.7269  1.0
  O  O4  4  0.2382  0.7192  0.5690  1.0
  O  O5  4  0.3400  0.1771  0.5561  1.0
]