data_LiY2Tl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.11
_cell_length_b   5.11
_cell_length_c   4.04
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiY2Tl
_chemical_formula_sum   'Li1 Y2 Tl1'
_cell_volume   105.65
_cell_formula_units_Z   1
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  1  0.0  0.0  0.0  1.0
  Y  Y2  1  0.56  0.0  0.02  1.0
  Y  Y3  1  0.0  0.56  0.02  1.0
  Tl  Tl1  1  0.56  0.56  0.0  1.0

data_LiY2Tl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.23
_cell_length_b   7.23
_cell_length_c   4.04
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   LiY2Tl
_chemical_formula_sum   'Li2 Y4 Tl2'
_cell_volume   211.31
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.0  1.0
  Y  Y1  4  0.28  0.28  0.02  1.0
  Tl  Tl2  2  0.06  0.5  0.0  1.0

Li Y Y Tl