data_Tl2AgB
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.09
_cell_length_b   5.09
_cell_length_c   3.33
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tl2AgB
_chemical_formula_sum   'Tl2 Ag1 B1'
_cell_volume   86.44
_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  Tl2  1  0.0  0.55  0.67  1.0
  Tl  Tl3  1  0.55  0.0  0.67  1.0
  Ag  Ag0  1  0.55  0.55  0.0  1.0
  B  B1  1  0.0  0.0  0.0  1.0

data_Tl2AgB
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.2
_cell_length_b   7.2
_cell_length_c   3.33
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Tl2AgB
_chemical_formula_sum   'Tl4 Ag2 B2'
_cell_volume   172.87
_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  4  0.27  0.27  0.67  1.0
  Ag  Ag1  2  0.05  0.5  0.0  1.0
  B  B2  2  0.0  0.0  0.0  1.0

Tl Tl Ag B
AgTl2B crystallizes in the monoclinic Cm space group. Ag(1) is bonded in a 6-coordinate geometry to six equivalent Tl(1) atoms. There are a spread of Ag(1)-Tl(1) bond distances ranging from 2.56-3.20 Å. Tl(1) is bonded in a 2-coordinate geometry to three equivalent Ag(1) and one B(1) atom. The Tl(1)-B(1) bond length is 2.56 Å. B(1) is bonded in a 2-coordinate geometry to two equivalent Tl(1) atoms.