data_[Ho6Si8Ni8]
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
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.9058]
_cell_length_b [3.9467]
_cell_length_c [23.7145]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ho3(SiNi)4]
_chemical_formula_sum '[Ho6 Si8 Ni8]'
_cell_volume [365.5619]
_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  0.0000  0.0000  0.3515  1.0
  Ho  Ho1  2  0.0000  0.5000  0.5000  1.0
  Si  Si2  4  0.0000  0.0000  0.0996  1.0
  Si  Si3  4  0.0000  0.5000  0.2497  1.0
  Ni  Ni4  4  0.0000  0.0000  0.1976  1.0
  Ni  Ni5  4  0.0000  0.5000  0.0510  1.0
]