data_[Na2Pr2As4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pr  1.1300  1.8500  1.0600
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.3855]
_cell_length_b [9.6430]
_cell_length_c [5.1309]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.2605]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [NaPrAs2O7]
_chemical_formula_sum '[Na2 Pr2 As4 O14]'
_cell_volume [357.0809]
_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  2  0.0000  0.2497  0.0000  1.0
  Pr  Pr1  2  0.0000  0.6349  0.0000  1.0
  As  As2  4  0.2095  0.9611  0.4158  1.0
  O  O3  4  0.1339  0.4486  0.2899  1.0
  O  O4  4  0.1798  0.8078  0.2513  1.0
  O  O5  4  0.2490  0.0950  0.2178  1.0
  O  O6  2  0.0000  0.0235  0.5000  1.0
]