data_[Na2Sn8H4]
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 [Cmmm]
_cell_length_a [4.9002]
_cell_length_b [17.5985]
_cell_length_c [3.3864]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Na(Sn2H)2]
_chemical_formula_sum '[Na2 Sn8 H4]'
_cell_volume [292.0357]
_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  0.5000  0.0000  1
  Sn  Sn1  4  0.0000  0.1020  0.5000  1
  Sn  Sn2  4  0.0000  0.3124  0.0000  1
  H  H3  4  0.0000  0.2117  0.5000  1
]