data_[Na12Sn4H4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.3593]
_cell_length_b [6.4443]
_cell_length_c [6.3601]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.6681]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3SnH]
_chemical_formula_sum '[Na12 Sn4 H4]'
_cell_volume [497.5872]
_cell_formula_units_Z [4]
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  8  0.1313  0.2370  0.4835  1.0
  Na  Na1  4  0.1584  0.5000  0.0195  1.0
  Sn  Sn2  4  0.0835  0.0000  0.9181  1.0
  H  H3  4  0.2194  0.5000  0.4054  1.0
]