data_[Ho4Er12Ni2]
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 [Cmmm]
_cell_length_a [9.0177]
_cell_length_b [16.8367]
_cell_length_c [3.5350]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Ho2Er6Ni]
_chemical_formula_sum '[Ho4 Er12 Ni2]'
_cell_volume [536.7116]
_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  0.3269  0.5000  1
  Er  Er1  8  0.1700  0.1639  0.0000  1
  Er  Er2  4  0.2349  0.0000  0.5000  1
  Ni  Ni3  2  0.0000  0.0000  0.0000  1
]