data_[Gd18Al12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Al  1.6100  1.2500  0.6750
]
_symmetry_space_group_name_H-M [R-3c]
_cell_length_a [6.4832]
_cell_length_b [6.4832]
_cell_length_c [25.4846]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [167]
_chemical_formula_structural [Gd3Al2]
_chemical_formula_sum '[Gd18 Al12]'
_cell_volume [927.6594]
_cell_formula_units_Z [6]
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
[
  Gd  Gd0  18  0.0000  0.3278  0.2500  1
  Al  Al1  12  0.0000  0.0000  0.1648  1
]