data_[Y18Ho24Mg3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.9870]
_cell_length_b [8.9870]
_cell_length_c [20.3139]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Y6Ho8Mg]
_chemical_formula_sum '[Y18 Ho24 Mg3]'
_cell_volume [1420.8764]
_cell_formula_units_Z [3]
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
[
  Y  Y0  18  0.0671  0.8144  0.7056  1
  Ho  Ho1  18  0.0815  0.5275  0.8105  1
  Ho  Ho2  6  0.0000  0.0000  0.4243  1
  Mg  Mg3  3  0.0000  0.0000  0.0000  1
]