data_[Na10Nd8Si8O34]
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
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [12.0095]
_cell_length_b [12.0095]
_cell_length_c [5.5568]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Na5Nd4Si4O17]
_chemical_formula_sum '[Na10 Nd8 Si8 O34]'
_cell_volume [801.4377]
_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  8  0.0898  0.6050  0.9901  1
  Na  Na1  2  0.0000  0.0000  0.5000  1
  Nd  Nd2  8  0.1167  0.1822  0.9794  1
  Si  Si3  8  0.1022  0.7519  0.4907  1
  O  O4  8  0.0349  0.7889  0.2457  1
  O  O5  8  0.0468  0.8105  0.7294  1
  O  O6  8  0.1059  0.6153  0.5194  1
  O  O7  8  0.2017  0.2305  0.5520  1
  O  O8  2  0.0000  0.0000  0.0000  1
]