data_[Li4Yb2Nb4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Yb  1.1000  1.7500  1.0840
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.9369]
_cell_length_b [18.1042]
_cell_length_c [4.1099]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Li2YbNb2O7]
_chemical_formula_sum '[Li4 Yb2 Nb4 O14]'
_cell_volume [292.9279]
_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
[
  Li  Li0  4  0.0000  0.2437  0.5044  1.0
  Yb  Yb1  2  0.0000  0.5000  0.8921  1.0
  Nb  Nb2  4  0.0000  0.1129  0.9667  1.0
  O  O3  4  0.0000  0.1032  0.5125  1.0
  O  O4  4  0.0000  0.2176  0.0122  1.0
  O  O5  4  0.0000  0.4008  0.5262  1.0
  O  O6  2  0.0000  0.0000  0.0641  1.0
]