data_[Hf24Sn3H18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Sn  1.9600  1.4500  0.8300
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.8836]
_cell_length_b [8.8836]
_cell_length_c [9.3822]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Hf8SnH6]
_chemical_formula_sum '[Hf24 Sn3 H18]'
_cell_volume [641.2319]
_cell_formula_units_Z [3]
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
[
  Hf  Hf0  18  0.0002  0.3366  0.1011  1
  Hf  Hf1  6  0.0000  0.0000  0.3270  1
  Sn  Sn2  3  0.0000  0.0000  0.0000  1
  H  H3  18  0.0754  0.8365  0.4037  1
]