data_[Nd2Sm4Er2Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  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 [5.1694]
_cell_length_b [10.1303]
_cell_length_c [6.9220]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [NdSm2ErTl2]
_chemical_formula_sum '[Nd2 Sm4 Er2 Tl4]'
_cell_volume [362.4881]
_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  0.4575  0.9584  1.0
  Sm  Sm1  2  0.0000  0.1828  0.3350  1.0
  Sm  Sm2  2  0.5000  0.0452  0.0531  1.0
  Er  Er3  2  0.5000  0.3108  0.6774  1.0
  Tl  Tl4  2  0.0000  0.1395  0.7968  1.0
  Tl  Tl5  2  0.5000  0.3701  0.2249  1.0
]