data_[Ho2Ir6C6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Ir  2.2000  1.3500  0.7650
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [3.3880]
_cell_length_b [3.3880]
_cell_length_c [18.2991]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [Ho(IrC)3]
_chemical_formula_sum '[Ho2 Ir6 C6]'
_cell_volume [181.9083]
_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
[
  Ho  Ho0  2  0.0000  0.0000  0.0000  1
  Ir  Ir1  4  0.3333  0.6667  0.1285  1
  Ir  Ir2  2  0.3333  0.6667  0.7500  1
  C  C3  4  0.3333  0.6667  0.5872  1
  C  C4  2  0.3333  0.6667  0.2500  1
]