data_[Ti18H3Pb3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ti  1.5400  1.4000  0.8517
  H  2.2000  0.2500  0.0000
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.1166]
_cell_length_b [8.1166]
_cell_length_c [6.7681]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ti6HPb]
_chemical_formula_sum '[Ti18 H3 Pb3]'
_cell_volume [386.1375]
_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
[
  Ti  Ti0  18  0.0766  0.5383  0.8151  1.0
  H  H1  3  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  3  0.0000  0.0000  0.5000  1.0
]