data_[Ho4Er12Al2]
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
  Al  1.6100  1.2500  0.6750
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [9.2935]
_cell_length_b [3.4910]
_cell_length_c [16.7263]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.9052]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ho2Er6Al]
_chemical_formula_sum '[Ho4 Er12 Al2]'
_cell_volume [526.7617]
_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  0.3915  0.7418  0.6589  1.0
  Er  Er1  4  0.0753  0.2296  0.6793  1.0
  Er  Er2  4  0.1637  0.2394  0.9907  1.0
  Er  Er3  4  0.2941  0.6955  0.8467  1.0
  Al  Al4  2  0.5000  0.0000  0.0000  1.0
]