data_[Ho4Er12Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.8501]
_cell_length_b [7.0374]
_cell_length_c [9.8318]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1016]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [HoEr3Ni]
_chemical_formula_sum '[Ho4 Er12 Ni4]'
_cell_volume [519.1338]
_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  4  0.3143  0.0392  0.7405  1.0
  Er  Er1  4  0.0856  0.1313  0.3937  1.0
  Er  Er2  4  0.2204  0.5088  0.6230  1.0
  Er  Er3  4  0.4352  0.7086  0.9749  1.0
  Ni  Ni4  4  0.0643  0.7379  0.3925  1.0
]