data_[Ag4H4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  H  2.2000  0.2500  0.0000
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [23.5642]
_cell_length_b [3.1791]
_cell_length_c [3.5398]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.9658]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [AgHPb]
_chemical_formula_sum '[Ag4 H4 Pb4]'
_cell_volume [262.6152]
_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
[
  Ag  Ag0  4  0.2150  0.5000  0.7172  1.0
  H  H1  4  0.0153  0.5000  0.5001  1.0
  Pb  Pb2  4  0.1265  0.0000  0.1364  1.0
]