data_[Tb2Eu4Nb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [C2/m]
_cell_length_a [10.1355]
_cell_length_b [5.9471]
_cell_length_c [5.9369]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.4892]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbEu2NbO6]
_chemical_formula_sum '[Tb2 Eu4 Nb2 O12]'
_cell_volume [294.9567]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.0000  1.0
  Eu  Eu1  4  0.2475  0.0000  0.7229  1.0
  Nb  Nb2  2  0.0000  0.5000  0.5000  1.0
  O  O3  8  0.0623  0.2592  0.3275  1.0
  O  O4  4  0.2323  0.5000  0.8403  1.0
]