data_[Er12Sc4Tl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Sc  1.3600  1.6000  0.8850
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [6.3689]
_cell_length_b [16.4960]
_cell_length_c [6.3660]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Er3ScTl2]
_chemical_formula_sum '[Er12 Sc4 Tl8]'
_cell_volume [668.8252]
_cell_formula_units_Z [4]
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
[
  Er  Er0  8  0.2477  0.1758  0.0000  1.0
  Er  Er1  4  0.0000  0.5000  0.2500  1.0
  Sc  Sc2  4  0.0000  0.0000  0.2500  1.0
  Tl  Tl3  8  0.2431  0.1345  0.5000  1.0
]