data_Tl3C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.22
_cell_length_b   11.22
_cell_length_c   11.22
_cell_angle_alpha   155.57
_cell_angle_beta   155.57
_cell_angle_gamma   34.82
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tl3C
_chemical_formula_sum   'Tl6 C2'
_cell_volume   241.31
_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
  Tl  Tl2  1  0.0  0.37  0.0  1.0
  Tl  Tl3  1  0.37  0.0  0.0  1.0
  Tl  Tl4  1  0.37  0.0  0.35  1.0
  Tl  Tl5  1  0.0  0.37  0.35  1.0
  Tl  Tl6  1  0.0  0.0  0.06  1.0
  Tl  Tl7  1  0.0  0.0  0.35  1.0
  C  C0  1  0.0  0.0  0.8  1.0
  C  C1  1  0.0  0.0  0.61  1.0

data_Tl3C
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.71
_cell_length_b   6.71
_cell_length_c   11.22
_cell_angle_alpha   90.0
_cell_angle_beta   107.41
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Tl3C
_chemical_formula_sum   'Tl12 C4'
_cell_volume   482.62
_cell_formula_units_Z   4
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  4  0.17  0.19  0.98  1.0
  Tl  Tl1  4  0.31  0.69  0.63  1.0
  Tl  Tl2  2  0.06  0.0  0.06  1.0
  Tl  Tl3  2  0.35  0.0  0.35  1.0
  C  C4  2  0.11  0.5  0.61  1.0
  C  C5  2  0.3  0.5  0.8  1.0

Tl Tl Tl Tl Tl Tl C C