data_[Na4Sn4H4]
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 [10.2150]
_cell_length_b [4.6924]
_cell_length_c [5.6498]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5074]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaSnH]
_chemical_formula_sum '[Na4 Sn4 H4]'
_cell_volume [258.2679]
_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  2  0.0000  0.0000  0.0000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Sn  Sn2  4  0.2223  0.0000  0.6541  1.0
  H  H3  4  0.0993  0.5000  0.1546  1.0
]