data_[Sm4Y2Ho2Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
  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 [5.1708]
_cell_length_b [10.0273]
_cell_length_c [6.8874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Sm2YHoTl2]
_chemical_formula_sum '[Sm4 Y2 Ho2 Tl4]'
_cell_volume [357.1057]
_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
[
  Sm  Sm0  2  0.0000  0.1870  0.3311  1.0
  Sm  Sm1  2  0.5000  0.0426  0.0550  1.0
  Y  Y2  2  0.0000  0.4575  0.9620  1.0
  Ho  Ho3  2  0.5000  0.3144  0.6793  1.0
  Tl  Tl4  2  0.0000  0.1416  0.7994  1.0
  Tl  Tl5  2  0.5000  0.3719  0.2188  1.0
]