data_[Pr2Nd4Mg6Tl4Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.7286]
_cell_length_b [13.3754]
_cell_length_c [7.7000]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [PrNd2Mg3Tl2Hg]
_chemical_formula_sum '[Pr2 Nd4 Mg6 Tl4 Hg2]'
_cell_volume [486.9943]
_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
[
  Pr  Pr0  2  0.0000  0.0000  0.5832  1
  Nd  Nd1  4  0.0000  0.2083  0.2079  1
  Mg  Mg2  4  0.5000  0.1186  0.8814  1
  Mg  Mg3  2  0.5000  0.0000  0.2374  1
  Tl  Tl4  4  0.5000  0.1674  0.4995  1
  Hg  Hg5  2  0.0000  0.0000  0.0016  1
]