data_[Pr2Nd4Mg8Tl4]
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
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.7868]
_cell_length_b [13.4419]
_cell_length_c [7.7360]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [PrNd2(Mg2Tl)2]
_chemical_formula_sum '[Pr2 Nd4 Mg8 Tl4]'
_cell_volume [497.7620]
_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  0.5719  1
  Nd  Nd1  4  0.0000  0.2142  0.2137  1
  Mg  Mg2  4  0.5000  0.1209  0.8791  1
  Mg  Mg3  2  0.0000  0.0000  0.0013  1
  Mg  Mg4  2  0.5000  0.0000  0.2421  1
  Tl  Tl5  4  0.5000  0.1674  0.4994  1
]