data_[Pr4Nd2Ho2Tl4]
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
  Ho  1.2300  1.7500  1.0410
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.2207]
_cell_length_b [10.2854]
_cell_length_c [6.9942]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Pr2NdHoTl2]
_chemical_formula_sum '[Pr4 Nd2 Ho2 Tl4]'
_cell_volume [375.5678]
_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  0.1832  0.8318  1
  Pr  Pr1  2  0.5000  0.0472  0.5581  1
  Nd  Nd2  2  0.0000  0.4553  0.4597  1
  Ho  Ho3  2  0.5000  0.3125  0.1765  1
  Tl  Tl4  2  0.0000  0.1445  0.2969  1
  Tl  Tl5  2  0.5000  0.3751  0.7225  1
]