data_[Ho20Pb8C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Pb  2.3300  1.8000  1.1225
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [19.9578]
_cell_length_b [6.8706]
_cell_length_c [6.7267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Ho5(PbC)2]
_chemical_formula_sum '[Ho20 Pb8 C8]'
_cell_volume [922.3742]
_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
[
  Ho  Ho0  8  0.0025  0.2495  0.7597  1
  Ho  Ho1  8  0.1398  0.5154  0.5180  1
  Ho  Ho2  4  0.2500  0.1202  0.6202  1
  Pb  Pb3  8  0.1085  0.5087  0.0061  1
  C  C4  4  0.0000  0.0000  0.0096  1
  C  C5  4  0.2500  0.0790  0.9666  1
]