data_[Na4Sb6H8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.5966]
_cell_length_b [6.9732]
_cell_length_c [8.9501]
_cell_angle_alpha [103.6178]
_cell_angle_beta [109.9759]
_cell_angle_gamma [93.2831]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Na2Sb3H4]
_chemical_formula_sum '[Na4 Sb6 H8]'
_cell_volume [371.7554]
_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  0.0780  0.9176  0.2163  1
  Na  Na1  2  0.4035  0.0368  0.6552  1
  Sb  Sb2  2  0.0535  0.6438  0.6539  1
  Sb  Sb3  2  0.2613  0.4946  0.9529  1
  Sb  Sb4  2  0.3608  0.4699  0.3199  1
  H  H5  2  0.2400  0.2162  0.7944  1
  H  H6  2  0.3026  0.7781  0.0577  1
  H  H7  2  0.3163  0.8243  0.4065  1
  H  H8  2  0.3683  0.1990  0.2539  1
]