data_[Na4Nd2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nd  1.1400  1.8500  1.2765
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.7466]
_cell_length_b [10.9958]
_cell_length_c [3.7103]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Na2NdO3]
_chemical_formula_sum '[Na4 Nd2 O6]'
_cell_volume [193.6506]
_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
[
  Na  Na0  4  0.0000  0.3471  0.5000  1.0
  Nd  Nd1  2  0.0000  0.0000  0.0000  1.0
  O  O2  4  0.0000  0.1348  0.5000  1.0
  O  O3  2  0.0000  0.5000  0.0000  1.0
]