data_Tl3Hg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.13
_cell_length_b   11.13
_cell_length_c   11.13
_cell_angle_alpha   18.25
_cell_angle_beta   18.25
_cell_angle_gamma   18.25
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tl3Hg
_chemical_formula_sum   'Tl3 Hg1'
_cell_volume   118.03
_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
  Tl  Tl1  1  0.0  0.0  0.3  1.0
  Tl  Tl2  1  0.0  0.0  0.41  1.0
  Tl  Tl3  1  0.0  0.0  0.53  1.0
  Hg  Hg0  1  0.0  0.0  0.0  1.0

data_Tl3Hg
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.11
_cell_length_b   3.53
_cell_length_c   11.13
_cell_angle_alpha   90.0
_cell_angle_beta   100.55
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Tl3Hg
_chemical_formula_sum   'Tl6 Hg2'
_cell_volume   236.06
_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
  Tl  Tl0  2  -0.0  0.0  0.47  1.0
  Tl  Tl1  2  -0.0  0.0  0.59  1.0
  Tl  Tl2  2  -0.0  0.0  0.7  1.0
  Hg  Hg3  2  0.0  0.0  0.0  1.0

Tl Tl Tl Hg