data_[La2Nd2As4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Nd  1.1400  1.8500  1.2765
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [5.1962]
_cell_length_b [5.1962]
_cell_length_c [11.8387]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [LaNd(AsO4)2]
_chemical_formula_sum '[La2 Nd2 As4 O16]'
_cell_volume [319.6501]
_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
[
  La  La0  2  0.0000  0.5000  0.7500  1.0
  Nd  Nd1  2  0.0000  0.0000  0.0000  1.0
  As  As2  2  0.0000  0.0000  0.5000  1.0
  As  As3  2  0.0000  0.5000  0.2500  1.0
  O  O4  8  0.1328  0.7474  0.1720  1.0
  O  O5  8  0.1385  0.2468  0.5764  1.0
]