data_[Na2P4H16]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.4042]
_cell_length_b [4.7591]
_cell_length_c [5.8313]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.4977]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na(PH4)2]
_chemical_formula_sum '[Na2 P4 H16]'
_cell_volume [206.8829]
_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  0.0000  1
  P  P1  4  0.2063  0.0000  0.6133  1
  H  H2  8  0.1770  0.2845  0.7579  1
  H  H3  4  0.1042  0.5000  0.2153  1
  H  H4  4  0.1753  0.5000  0.8059  1
]