data_[Sm6H4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  H  2.2000  0.2500  0.0000
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.5544]
_cell_length_b [8.2946]
_cell_length_c [6.9698]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.6141]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Sm3(HPb)2]
_chemical_formula_sum '[Sm6 H4 Pb4]'
_cell_volume [329.4253]
_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
[
  Sm  Sm0  4  0.3471  0.5909  0.2042  1
  Sm  Sm1  2  0.0000  0.0000  0.0000  1
  H  H2  4  0.3536  0.6190  0.5757  1
  Pb  Pb3  4  0.2249  0.2247  0.3880  1
]