data_[Sm6Y3Tl3]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.7019]
_cell_length_b [3.7019]
_cell_length_c [32.6807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Sm2YTl]
_chemical_formula_sum '[Sm6 Y3 Tl3]'
_cell_volume [387.8657]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.7449  1
  Sm  Sm1  3  0.0000  0.0000  0.9218  1
  Y  Y2  3  0.0000  0.0000  0.5001  1
  Tl  Tl3  3  0.0000  0.0000  0.3335  1
]