data_TlSiB2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.34
_cell_length_b   6.34
_cell_length_c   6.34
_cell_angle_alpha   30.8
_cell_angle_beta   30.8
_cell_angle_gamma   30.8
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TlSiB2
_chemical_formula_sum   'Tl1 Si1 B2'
_cell_volume   59.34
_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  Tl3  1  0.0  0.0  0.06  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  B  B0  1  0.0  0.0  0.16  1.0
  B  B1  1  0.0  0.0  0.95  1.0

data_TlSiB2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.83
_cell_length_b   3.37
_cell_length_c   6.34
_cell_angle_alpha   90.0
_cell_angle_beta   107.86
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   TlSiB2
_chemical_formula_sum   'Tl2 Si2 B4'
_cell_volume   118.69
_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  0.94  1.0
  Si  Si1  2  0.0  0.0  0.0  1.0
  B  B2  2  -0.0  0.0  0.84  1.0
  B  B3  2  -0.0  0.0  0.05  1.0

Tl Si B B