The structure described by Ba2AuTl7 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 13-coordinate geometry to two equivalent Au(1), one Tl(4), two equivalent Tl(1), two equivalent Tl(5), three equivalent Tl(3), and three equivalent Tl(6) atoms. In the second Ba site, Ba(2) is bonded in a 14-coordinate geometry to three equivalent Au(1), one Tl(6), two equivalent Tl(5), two equivalent Tl(7), three equivalent Tl(2), and three equivalent Tl(4) atoms. Au(1) is bonded in a 5-coordinate geometry to two equivalent Ba(1), three equivalent Ba(2), one Tl(1), one Tl(2), one Tl(5), and two equivalent Tl(4) atoms. There are seven inequivalent Tl sites. In the first Tl site, Tl(7) is bonded in a 7-coordinate geometry to two equivalent Ba(2), one Tl(1), one Tl(4), one Tl(5), and two equivalent Tl(2) atoms. In the second Tl site, Tl(1) is bonded in a distorted single-bond geometry to two equivalent Ba(1), one Au(1), one Tl(7), and three equivalent Tl(3) atoms. In the third Tl site, Tl(2) is bonded in a distorted single-bond geometry to three equivalent Ba(2), one Au(1), one Tl(3), and two equivalent Tl(7) atoms. In the fourth Tl site, Tl(3) is bonded in a 8-coordinate geometry to three equivalent Ba(1), one Tl(2), one Tl(6), and three equivalent Tl(1) atoms. In the fifth Tl site, Tl(4) is bonded in a distorted bent 120 degrees geometry to one Ba(1), three equivalent Ba(2), two equivalent Au(1), and one Tl(7) atom. In the sixth Tl site, Tl(5) is bonded in a distorted single-bond geometry to two equivalent Ba(1), two equivalent Ba(2), one Au(1), one Tl(7), and three equivalent Tl(6) atoms. In the seventh Tl site, Tl(6) is bonded in a 8-coordinate geometry to one Ba(2), three equivalent Ba(1), one Tl(3), and three equivalent Tl(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba2Tl7Au
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.320
_cell_length_b   10.776
_cell_length_c   22.488
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1289.135
_cell_formula_units_Z   4
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
  Ba  Ba0  1  0.250  0.751  0.459  1.0
  Ba  Ba1  1  0.750  0.249  0.541  1.0
  Ba  Ba2  1  0.750  0.251  0.041  1.0
  Ba  Ba3  1  0.250  0.749  0.959  1.0
  Ba  Ba4  1  0.250  0.996  0.789  1.0
  Ba  Ba5  1  0.750  0.004  0.211  1.0
  Ba  Ba6  1  0.750  0.496  0.711  1.0
  Ba  Ba7  1  0.250  0.504  0.289  1.0
  Tl  Tl8  1  0.250  0.475  0.103  1.0
  Tl  Tl9  1  0.750  0.525  0.897  1.0
  Tl  Tl10  1  0.750  0.975  0.397  1.0
  Tl  Tl11  1  0.250  0.025  0.603  1.0
  Tl  Tl12  1  0.750  0.647  0.201  1.0
  Tl  Tl13  1  0.250  0.353  0.799  1.0
  Tl  Tl14  1  0.250  0.147  0.299  1.0
  Tl  Tl15  1  0.750  0.853  0.701  1.0
  Tl  Tl16  1  0.750  0.601  0.052  1.0
  Tl  Tl17  1  0.250  0.399  0.948  1.0
  Tl  Tl18  1  0.250  0.101  0.448  1.0
  Tl  Tl19  1  0.750  0.899  0.552  1.0
  Tl  Tl20  1  0.250  0.850  0.298  1.0
  Tl  Tl21  1  0.750  0.150  0.702  1.0
  Tl  Tl22  1  0.750  0.350  0.202  1.0
  Tl  Tl23  1  0.250  0.650  0.798  1.0
  Tl  Tl24  1  0.250  0.461  0.590  1.0
  Tl  Tl25  1  0.750  0.539  0.410  1.0
  Tl  Tl26  1  0.750  0.961  0.910  1.0
  Tl  Tl27  1  0.250  0.039  0.090  1.0
  Tl  Tl28  1  0.750  0.602  0.553  1.0
  Tl  Tl29  1  0.250  0.398  0.447  1.0
  Tl  Tl30  1  0.250  0.102  0.947  1.0
  Tl  Tl31  1  0.750  0.898  0.053  1.0
  Tl  Tl32  1  0.250  0.734  0.649  1.0
  Tl  Tl33  1  0.750  0.266  0.351  1.0
  Tl  Tl34  1  0.750  0.234  0.851  1.0
  Tl  Tl35  1  0.250  0.766  0.149  1.0
  Au  Au36  1  0.250  0.258  0.673  1.0
  Au  Au37  1  0.750  0.742  0.327  1.0
  Au  Au38  1  0.750  0.758  0.827  1.0
  Au  Au39  1  0.250  0.242  0.173  1.0
[/CIF]
.
The structure described by Ba2AuTl7 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 13-coordinate geometry to two equivalent Au(1), one Tl(4), two equivalent Tl(1), two equivalent Tl(5), three equivalent Tl(3), and three equivalent Tl(6) atoms. In the second Ba site, Ba(2) is bonded in a 14-coordinate geometry to three equivalent Au(1), one Tl(6), two equivalent Tl(5), two equivalent Tl(7), three equivalent Tl(2), and three equivalent Tl(4) atoms. Au(1) is bonded in a 5-coordinate geometry to two equivalent Ba(1), three equivalent Ba(2), one Tl(1), one Tl(2), one Tl(5), and two equivalent Tl(4) atoms. There are seven inequivalent Tl sites. In the first Tl site, Tl(7) is bonded in a 7-coordinate geometry to two equivalent Ba(2), one Tl(1), one Tl(4), one Tl(5), and two equivalent Tl(2) atoms. In the second Tl site, Tl(1) is bonded in a distorted single-bond geometry to two equivalent Ba(1), one Au(1), one Tl(7), and three equivalent Tl(3) atoms. In the third Tl site, Tl(2) is bonded in a distorted single-bond geometry to three equivalent Ba(2), one Au(1), one Tl(3), and two equivalent Tl(7) atoms. In the fourth Tl site, Tl(3) is bonded in a 8-coordinate geometry to three equivalent Ba(1), one Tl(2), one Tl(6), and three equivalent Tl(1) atoms. In the fifth Tl site, Tl(4) is bonded in a distorted bent 120 degrees geometry to one Ba(1), three equivalent Ba(2), two equivalent Au(1), and one Tl(7) atom. In the sixth Tl site, Tl(5) is bonded in a distorted single-bond geometry to two equivalent Ba(1), two equivalent Ba(2), one Au(1), one Tl(7), and three equivalent Tl(6) atoms. In the seventh Tl site, Tl(6) is bonded in a 8-coordinate geometry to one Ba(2), three equivalent Ba(1), one Tl(3), and three equivalent Tl(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba2Tl7Au
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.320
_cell_length_b   10.776
_cell_length_c   22.488
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1289.135
_cell_formula_units_Z   4
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
  Ba  Ba0  1  0.250  0.751  0.459  1.0
  Ba  Ba1  1  0.750  0.249  0.541  1.0
  Ba  Ba2  1  0.750  0.251  0.041  1.0
  Ba  Ba3  1  0.250  0.749  0.959  1.0
  Ba  Ba4  1  0.250  0.996  0.789  1.0
  Ba  Ba5  1  0.750  0.004  0.211  1.0
  Ba  Ba6  1  0.750  0.496  0.711  1.0
  Ba  Ba7  1  0.250  0.504  0.289  1.0
  Tl  Tl8  1  0.250  0.475  0.103  1.0
  Tl  Tl9  1  0.750  0.525  0.897  1.0
  Tl  Tl10  1  0.750  0.975  0.397  1.0
  Tl  Tl11  1  0.250  0.025  0.603  1.0
  Tl  Tl12  1  0.750  0.647  0.201  1.0
  Tl  Tl13  1  0.250  0.353  0.799  1.0
  Tl  Tl14  1  0.250  0.147  0.299  1.0
  Tl  Tl15  1  0.750  0.853  0.701  1.0
  Tl  Tl16  1  0.750  0.601  0.052  1.0
  Tl  Tl17  1  0.250  0.399  0.948  1.0
  Tl  Tl18  1  0.250  0.101  0.448  1.0
  Tl  Tl19  1  0.750  0.899  0.552  1.0
  Tl  Tl20  1  0.250  0.850  0.298  1.0
  Tl  Tl21  1  0.750  0.150  0.702  1.0
  Tl  Tl22  1  0.750  0.350  0.202  1.0
  Tl  Tl23  1  0.250  0.650  0.798  1.0
  Tl  Tl24  1  0.250  0.461  0.590  1.0
  Tl  Tl25  1  0.750  0.539  0.410  1.0
  Tl  Tl26  1  0.750  0.961  0.910  1.0
  Tl  Tl27  1  0.250  0.039  0.090  1.0
  Tl  Tl28  1  0.750  0.602  0.553  1.0
  Tl  Tl29  1  0.250  0.398  0.447  1.0
  Tl  Tl30  1  0.250  0.102  0.947  1.0
  Tl  Tl31  1  0.750  0.898  0.053  1.0
  Tl  Tl32  1  0.250  0.734  0.649  1.0
  Tl  Tl33  1  0.750  0.266  0.351  1.0
  Tl  Tl34  1  0.750  0.234  0.851  1.0
  Tl  Tl35  1  0.250  0.766  0.149  1.0
  Au  Au36  1  0.250  0.258  0.673  1.0
  Au  Au37  1  0.750  0.742  0.327  1.0
  Au  Au38  1  0.750  0.758  0.827  1.0
  Au  Au39  1  0.250  0.242  0.173  1.0
[/CIF]
.