data_[Ca2Tb2Eu2Nb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  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 [P-1]
_cell_length_a [5.7231]
_cell_length_b [5.9157]
_cell_length_c [8.2223]
_cell_angle_alpha [90.0107]
_cell_angle_beta [90.3728]
_cell_angle_gamma [90.0973]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [CaTbEuNbO6]
_chemical_formula_sum '[Ca2 Tb2 Eu2 Nb2 O12]'
_cell_volume [278.3683]
_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
[
  Ca  Ca0  2  0.0144  0.0514  0.2496  1.0
  Tb  Tb1  1  0.0000  0.5000  0.5000  1.0
  Tb  Tb2  1  0.5000  0.0000  0.0000  1.0
  Eu  Eu3  2  0.4856  0.5551  0.2497  1.0
  Nb  Nb4  1  0.0000  0.5000  0.0000  1.0
  Nb  Nb5  1  0.5000  0.0000  0.5000  1.0
  O  O6  2  0.1036  0.5483  0.7650  1.0
  O  O7  2  0.1798  0.7881  0.0632  1.0
  O  O8  2  0.2118  0.8141  0.4393  1.0
  O  O9  2  0.2878  0.3118  0.0521  1.0
  O  O10  2  0.3177  0.2864  0.4422  1.0
  O  O11  2  0.3845  0.0325  0.7348  1.0
]