The structure described by Rb5Tl9 crystallizes in the hexagonal P-62m space group. There are four inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to one Tl(1), one Tl(2), one Tl(5), two equivalent Tl(6), and three equivalent Tl(3) atoms. In the second Rb site, Rb(2) is bonded in a 9-coordinate geometry to three equivalent Tl(2) and six equivalent Tl(3) atoms. In the third Rb site, Rb(3) is bonded in a 9-coordinate geometry to one Rb(4), one Tl(1), one Tl(3), two equivalent Tl(4), two equivalent Tl(6), and three equivalent Tl(5) atoms. In the fourth Rb site, Rb(4) is bonded in a 18-coordinate geometry to six equivalent Rb(3), six equivalent Tl(4), and six equivalent Tl(5) atoms. There are six inequivalent Tl sites. In the first Tl site, Tl(5) is bonded in a 12-coordinate geometry to one Rb(1), one Rb(4), three equivalent Rb(3), one Tl(5), two equivalent Tl(6), and four equivalent Tl(4) atoms. In the second Tl site, Tl(6) is bonded in a 12-coordinate geometry to three equivalent Rb(1), three equivalent Rb(3), three equivalent Tl(4), and three equivalent Tl(5) atoms. In the third Tl site, Tl(1) is bonded to three equivalent Rb(1), three equivalent Rb(3), three equivalent Tl(2), and three equivalent Tl(3) atoms to form distorted TlRb6Tl6 cuboctahedra that share corners with six equivalent Tl(4)Rb3Tl9 cuboctahedra and  a faceface with one Tl(1)Rb6Tl6 cuboctahedra. In the fourth Tl site, Tl(2) is bonded in a 10-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), two equivalent Tl(1), and four equivalent Tl(3) atoms. In the fifth Tl site, Tl(3) is bonded in a 10-coordinate geometry to one Rb(3), two equivalent Rb(2), three equivalent Rb(1), one Tl(1), one Tl(3), and two equivalent Tl(2) atoms. In the sixth Tl site, Tl(4) is bonded to one Rb(4), two equivalent Rb(3), two equivalent Tl(6), three equivalent Tl(4), and four equivalent Tl(5) atoms to form distorted TlRb3Tl9 cuboctahedra that share corners with two equivalent Tl(1)Rb6Tl6 cuboctahedra, corners with five equivalent Tl(4)Rb3Tl9 cuboctahedra, and faces with six equivalent Tl(4)Rb3Tl9 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb5Tl9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.438
_cell_length_b   10.438
_cell_length_c   17.842
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   1683.535
_cell_formula_units_Z   3
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
  Rb  Rb0  1  0.613  0.000  0.185  1.0
  Rb  Rb1  1  0.387  0.387  0.185  1.0
  Rb  Rb2  1  1.000  0.613  0.185  1.0
  Rb  Rb3  1  0.613  0.000  0.815  1.0
  Rb  Rb4  1  0.387  0.387  0.815  1.0
  Rb  Rb5  1  1.000  0.613  0.815  1.0
  Rb  Rb6  1  0.667  0.333  0.000  1.0
  Rb  Rb7  1  0.333  0.667  0.000  1.0
  Rb  Rb8  1  0.273  0.000  0.314  1.0
  Rb  Rb9  1  0.727  0.727  0.314  1.0
  Rb  Rb10  1  1.000  0.273  0.314  1.0
  Rb  Rb11  1  0.273  0.000  0.686  1.0
  Rb  Rb12  1  0.727  0.727  0.686  1.0
  Rb  Rb13  1  1.000  0.273  0.686  1.0
  Rb  Rb14  1  1.000  0.000  0.500  1.0
  Tl  Tl15  1  1.000  0.000  0.149  1.0
  Tl  Tl16  1  1.000  0.000  0.851  1.0
  Tl  Tl17  1  0.786  0.000  0.000  1.0
  Tl  Tl18  1  0.214  0.214  0.000  1.0
  Tl  Tl19  1  0.000  0.786  0.000  1.0
  Tl  Tl20  1  0.282  0.000  0.091  1.0
  Tl  Tl21  1  0.718  0.718  0.091  1.0
  Tl  Tl22  1  1.000  0.282  0.091  1.0
  Tl  Tl23  1  0.282  0.000  0.909  1.0
  Tl  Tl24  1  0.718  0.718  0.909  1.0
  Tl  Tl25  1  1.000  0.282  0.909  1.0
  Tl  Tl26  1  0.173  0.463  0.500  1.0
  Tl  Tl27  1  0.290  0.827  0.500  1.0
  Tl  Tl28  1  0.537  0.710  0.500  1.0
  Tl  Tl29  1  0.710  0.537  0.500  1.0
  Tl  Tl30  1  0.463  0.173  0.500  1.0
  Tl  Tl31  1  0.827  0.290  0.500  1.0
  Tl  Tl32  1  0.621  0.000  0.398  1.0
  Tl  Tl33  1  0.379  0.380  0.398  1.0
  Tl  Tl34  1  1.000  0.620  0.398  1.0
  Tl  Tl35  1  0.621  0.000  0.602  1.0
  Tl  Tl36  1  0.379  0.380  0.602  1.0
  Tl  Tl37  1  1.000  0.620  0.602  1.0
  Tl  Tl38  1  0.333  0.667  0.346  1.0
  Tl  Tl39  1  0.333  0.667  0.654  1.0
  Tl  Tl40  1  0.667  0.333  0.346  1.0
  Tl  Tl41  1  0.667  0.333  0.654  1.0
[/CIF]
.
The structure described by Rb5Tl9 crystallizes in the hexagonal P-62m space group. There are four inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to one Tl(1), one Tl(2), one Tl(5), two equivalent Tl(6), and three equivalent Tl(3) atoms. In the second Rb site, Rb(2) is bonded in a 9-coordinate geometry to three equivalent Tl(2) and six equivalent Tl(3) atoms. In the third Rb site, Rb(3) is bonded in a 9-coordinate geometry to one Rb(4), one Tl(1), one Tl(3), two equivalent Tl(4), two equivalent Tl(6), and three equivalent Tl(5) atoms. In the fourth Rb site, Rb(4) is bonded in a 18-coordinate geometry to six equivalent Rb(3), six equivalent Tl(4), and six equivalent Tl(5) atoms. There are six inequivalent Tl sites. In the first Tl site, Tl(5) is bonded in a 12-coordinate geometry to one Rb(1), one Rb(4), three equivalent Rb(3), one Tl(5), two equivalent Tl(6), and four equivalent Tl(4) atoms. In the second Tl site, Tl(6) is bonded in a 12-coordinate geometry to three equivalent Rb(1), three equivalent Rb(3), three equivalent Tl(4), and three equivalent Tl(5) atoms. In the third Tl site, Tl(1) is bonded to three equivalent Rb(1), three equivalent Rb(3), three equivalent Tl(2), and three equivalent Tl(3) atoms to form distorted TlRb6Tl6 cuboctahedra that share corners with six equivalent Tl(4)Rb3Tl9 cuboctahedra and  a faceface with one Tl(1)Rb6Tl6 cuboctahedra. In the fourth Tl site, Tl(2) is bonded in a 10-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), two equivalent Tl(1), and four equivalent Tl(3) atoms. In the fifth Tl site, Tl(3) is bonded in a 10-coordinate geometry to one Rb(3), two equivalent Rb(2), three equivalent Rb(1), one Tl(1), one Tl(3), and two equivalent Tl(2) atoms. In the sixth Tl site, Tl(4) is bonded to one Rb(4), two equivalent Rb(3), two equivalent Tl(6), three equivalent Tl(4), and four equivalent Tl(5) atoms to form distorted TlRb3Tl9 cuboctahedra that share corners with two equivalent Tl(1)Rb6Tl6 cuboctahedra, corners with five equivalent Tl(4)Rb3Tl9 cuboctahedra, and faces with six equivalent Tl(4)Rb3Tl9 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb5Tl9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.438
_cell_length_b   10.438
_cell_length_c   17.842
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   1683.535
_cell_formula_units_Z   3
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
  Rb  Rb0  1  0.613  0.000  0.185  1.0
  Rb  Rb1  1  0.387  0.387  0.185  1.0
  Rb  Rb2  1  1.000  0.613  0.185  1.0
  Rb  Rb3  1  0.613  0.000  0.815  1.0
  Rb  Rb4  1  0.387  0.387  0.815  1.0
  Rb  Rb5  1  1.000  0.613  0.815  1.0
  Rb  Rb6  1  0.667  0.333  0.000  1.0
  Rb  Rb7  1  0.333  0.667  0.000  1.0
  Rb  Rb8  1  0.273  0.000  0.314  1.0
  Rb  Rb9  1  0.727  0.727  0.314  1.0
  Rb  Rb10  1  1.000  0.273  0.314  1.0
  Rb  Rb11  1  0.273  0.000  0.686  1.0
  Rb  Rb12  1  0.727  0.727  0.686  1.0
  Rb  Rb13  1  1.000  0.273  0.686  1.0
  Rb  Rb14  1  1.000  0.000  0.500  1.0
  Tl  Tl15  1  1.000  0.000  0.149  1.0
  Tl  Tl16  1  1.000  0.000  0.851  1.0
  Tl  Tl17  1  0.786  0.000  0.000  1.0
  Tl  Tl18  1  0.214  0.214  0.000  1.0
  Tl  Tl19  1  0.000  0.786  0.000  1.0
  Tl  Tl20  1  0.282  0.000  0.091  1.0
  Tl  Tl21  1  0.718  0.718  0.091  1.0
  Tl  Tl22  1  1.000  0.282  0.091  1.0
  Tl  Tl23  1  0.282  0.000  0.909  1.0
  Tl  Tl24  1  0.718  0.718  0.909  1.0
  Tl  Tl25  1  1.000  0.282  0.909  1.0
  Tl  Tl26  1  0.173  0.463  0.500  1.0
  Tl  Tl27  1  0.290  0.827  0.500  1.0
  Tl  Tl28  1  0.537  0.710  0.500  1.0
  Tl  Tl29  1  0.710  0.537  0.500  1.0
  Tl  Tl30  1  0.463  0.173  0.500  1.0
  Tl  Tl31  1  0.827  0.290  0.500  1.0
  Tl  Tl32  1  0.621  0.000  0.398  1.0
  Tl  Tl33  1  0.379  0.380  0.398  1.0
  Tl  Tl34  1  1.000  0.620  0.398  1.0
  Tl  Tl35  1  0.621  0.000  0.602  1.0
  Tl  Tl36  1  0.379  0.380  0.602  1.0
  Tl  Tl37  1  1.000  0.620  0.602  1.0
  Tl  Tl38  1  0.333  0.667  0.346  1.0
  Tl  Tl39  1  0.333  0.667  0.654  1.0
  Tl  Tl40  1  0.667  0.333  0.346  1.0
  Tl  Tl41  1  0.667  0.333  0.654  1.0
[/CIF]
.