data_[Li6Er4Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.7189]
_cell_length_b [4.8243]
_cell_length_c [6.5549]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7656]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li3(ErTl)2]
_chemical_formula_sum '[Li6 Er4 Tl4]'
_cell_volume [318.9879]
_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
[
  Li  Li0  4  0.1042  0.5000  0.4297  1.0
  Li  Li1  2  0.0000  0.5000  0.0000  1.0
  Er  Er2  4  0.1516  0.0000  0.7689  1.0
  Tl  Tl3  4  0.1463  0.0000  0.2437  1.0
]