data_[Nd4Ho2Er2Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.1529]
_cell_length_b [10.1778]
_cell_length_c [6.8641]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Nd2HoErTl2]
_chemical_formula_sum '[Nd4 Ho2 Er2 Tl4]'
_cell_volume [359.9905]
_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
[
  Nd  Nd0  2  0.0000  0.1889  0.3290  1.0
  Nd  Nd1  2  0.5000  0.0424  0.0593  1.0
  Ho  Ho2  2  0.0000  0.4594  0.9605  1.0
  Er  Er3  2  0.5000  0.3166  0.6799  1.0
  Tl  Tl4  2  0.0000  0.1459  0.8000  1.0
  Tl  Tl5  2  0.5000  0.3762  0.2169  1.0
]