data_[Gd2Ho4Mg6Al4Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.5185]
_cell_length_b [12.8676]
_cell_length_c [7.3817]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [GdHo2Mg3Al2Hg]
_chemical_formula_sum '[Gd2 Ho4 Mg6 Al4 Hg2]'
_cell_volume [429.1865]
_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
[
  Gd  Gd0  2  0.0000  0.0000  0.4262  1
  Ho  Ho1  4  0.0000  0.2128  0.7876  1
  Mg  Mg2  4  0.5000  0.1223  0.1219  1
  Mg  Mg3  2  0.5000  0.0000  0.7562  1
  Al  Al4  4  0.5000  0.1677  0.5005  1
  Hg  Hg5  2  0.0000  0.0000  0.9977  1
]