data_[Na2P2H6N2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  P  2.1900  1.0000  0.5500
  H  2.2000  0.2500  0.0000
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P6_3]
_cell_length_a [5.8011]
_cell_length_b [5.8011]
_cell_length_c [6.1708]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [173]
_chemical_formula_structural [NaPH3NO3]
_chemical_formula_sum '[Na2 P2 H6 N2 O6]'
_cell_volume [179.8454]
_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  0.0000  0.0019  1.0
  P  P1  2  0.3333  0.6667  0.6908  1.0
  H  H2  6  0.1532  0.6435  0.3391  1.0
  N  N3  2  0.3333  0.6667  0.3998  1.0
  O  O4  6  0.1404  0.3761  0.7481  1.0
]