data_[Pr2Er4Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8855]
_cell_length_b [5.2510]
_cell_length_c [8.6661]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4680]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pr(ErTl)2]
_chemical_formula_sum '[Pr2 Er4 Tl4]'
_cell_volume [295.4148]
_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  0.2435  0.7500  0.2450  1
  Er  Er1  2  0.1689  0.2500  0.5450  1
  Er  Er2  2  0.3354  0.2500  0.9623  1
  Tl  Tl3  2  0.0827  0.7500  0.8314  1
  Tl  Tl4  2  0.4267  0.7500  0.6592  1
]