data_[Ho12Si4Pb2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Si  1.9000  1.1000  0.5400
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.1521]
_cell_length_b [4.1139]
_cell_length_c [8.4014]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.5237]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ho6Si2PbSe3]
_chemical_formula_sum '[Ho12 Si4 Pb2 Se6]'
_cell_volume [609.9910]
_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  4  0.0051  0.0000  0.2646  1
  Ho  Ho1  4  0.1718  0.5000  0.1008  1
  Ho  Ho2  4  0.1720  0.5000  0.5746  1
  Si  Si3  4  0.1668  0.0000  0.3349  1
  Pb  Pb4  2  0.0000  0.5000  0.0000  1
  Se  Se5  4  0.1654  0.0000  0.8320  1
  Se  Se6  2  0.0000  0.5000  0.5000  1
]