data_[Ho24Er12Mg4]
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
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [9.2446]
_cell_length_b [14.8537]
_cell_length_c [8.9028]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ho6Er3Mg]
_chemical_formula_sum '[Ho24 Er12 Mg4]'
_cell_volume [1222.4950]
_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  8  0.1751  0.3471  0.7300  1
  Ho  Ho1  8  0.2252  0.0660  0.8992  1
  Ho  Ho2  4  0.0000  0.0616  0.2160  1
  Ho  Ho3  4  0.0000  0.2913  0.3428  1
  Er  Er4  8  0.1764  0.1435  0.5647  1
  Er  Er5  4  0.0000  0.4612  0.0819  1
  Mg  Mg6  4  0.0000  0.2329  0.9860  1
]