data_[Cs2Nd2Nb4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Nd  1.1400  1.8500  1.2765
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [11.1435]
_cell_length_b [5.4441]
_cell_length_c [5.4849]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [CsNdNb2O7]
_chemical_formula_sum '[Cs2 Nd2 Nb4 O14]'
_cell_volume [332.7534]
_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
[
  Cs  Cs0  2  0.0000  0.2315  0.7489  1
  Nd  Nd1  2  0.5000  0.2515  0.7201  1
  Nb  Nb2  4  0.2943  0.2488  0.2597  1
  O  O3  4  0.1360  0.3039  0.2495  1
  O  O4  4  0.3031  0.0619  0.5812  1
  O  O5  4  0.3548  0.4629  0.9856  1
  O  O6  2  0.5000  0.1710  0.2895  1
]