data_[Na4H2N4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [C2/m]
_cell_length_a [9.8616]
_cell_length_b [4.7426]
_cell_length_c [5.7739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.9139]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2H(NO3)2]
_chemical_formula_sum '[Na4 H2 N4 O12]'
_cell_volume [244.9147]
_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  0.1929  0.5000  0.2136  1
  H  H1  2  0.0000  0.5000  0.5000  1
  N  N2  4  0.0044  0.0000  0.2547  1
  O  O3  8  0.0653  0.2346  0.7705  1
  O  O4  4  0.1459  0.0000  0.3191  1
]