The crystal structure described by Rb6Pb5Cl16 crystallizes in the monoclinic C2/m space group. There are six inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a distorted body-centered cubic geometry to two equivalent Cl(3), two equivalent Cl(4), two equivalent Cl(5), and two equivalent Cl(6) atoms. In the second Rb site, Rb(2) is bonded in a 7-coordinate geometry to one Cl(1), two equivalent Cl(2), two equivalent Cl(3), and two equivalent Cl(6) atoms. In the third Rb site, Rb(3) is bonded in a 9-coordinate geometry to one Cl(2), two equivalent Cl(1), two equivalent Cl(4), two equivalent Cl(5), and two equivalent Cl(8) atoms. In the fourth Rb site, Rb(4) is bonded in a 8-coordinate geometry to one Cl(2), one Cl(7), two equivalent Cl(10), two equivalent Cl(3), and two equivalent Cl(5) atoms. In the fifth Rb site, Rb(5) is bonded in a 6-coordinate geometry to two equivalent Cl(10), two equivalent Cl(8), and two equivalent Cl(9) atoms. In the sixth Rb site, Rb(6) is bonded in a 6-coordinate geometry to two equivalent Cl(10), two equivalent Cl(3), two equivalent Cl(6), two equivalent Cl(7), and two equivalent Cl(9) atoms. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 2-coordinate geometry to one Cl(2), one Cl(7), two equivalent Cl(10), and two equivalent Cl(4) atoms. In the second Pb site, Pb(2) is bonded in a 5-coordinate geometry to one Cl(1), one Cl(3), one Cl(5), one Cl(6), and one Cl(8) atom. In the third Pb site, Pb(3) is bonded in a 5-coordinate geometry to one Cl(3), one Cl(4), one Cl(5), one Cl(6), and two equivalent Cl(10) atoms. There are ten inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one Rb(2), two equivalent Rb(3), and two equivalent Pb(2) atoms to form distorted ClRb3Pb2 trigonal bipyramids that share corners with two equivalent Cl(5)Rb3Pb2 trigonal bipyramids, corners with four equivalent Cl(2)Rb4Pb trigonal bipyramids,  an edgeedge with one Cl(1)Rb3Pb2 trigonal bipyramid, and edges with two equivalent Cl(5)Rb3Pb2 trigonal bipyramids. In the second Cl site, Cl(2) is bonded to one Rb(3), one Rb(4), two equivalent Rb(2), and one Pb(1) atom to form distorted ClRb4Pb trigonal bipyramids that share corners with four equivalent Cl(1)Rb3Pb2 trigonal bipyramids,  an edgeedge with one Cl(2)Rb4Pb trigonal bipyramid, and edges with two equivalent Cl(5)Rb3Pb2 trigonal bipyramids. In the third Cl site, Cl(3) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Rb(4), one Rb(6), one Pb(2), and one Pb(3) atom. In the fourth Cl site, Cl(4) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(3), one Pb(1), and one Pb(3) atom. In the fifth Cl site, Cl(5) is bonded to one Rb(1), one Rb(3), one Rb(4), one Pb(2), and one Pb(3) atom to form distorted ClRb3Pb2 trigonal bipyramids that share  a cornercorner with one Cl(1)Rb3Pb2 trigonal bipyramid,  a cornercorner with one Cl(5)Rb3Pb2 trigonal bipyramid,  an edgeedge with one Cl(1)Rb3Pb2 trigonal bipyramid,  an edgeedge with one Cl(5)Rb3Pb2 trigonal bipyramid, and  an edgeedge with one Cl(2)Rb4Pb trigonal bipyramid. In the sixth Cl site, Cl(6) is bonded in a 5-coordinate geometry to one Rb(1), one Rb(2), one Rb(6), one Pb(2), and one Pb(3) atom. In the seventh Cl site, Cl(7) is bonded in a distorted rectangular see-saw-like geometry to one Rb(4), two equivalent Rb(6), and one Pb(1) atom. In the eighth Cl site, Cl(8) is bonded in a 4-coordinate geometry to two equivalent Rb(3), two equivalent Rb(5), and two equivalent Pb(2) atoms. In the ninth Cl site, Cl(9) is bonded in a 2-coordinate geometry to one Rb(5) and one Rb(6) atom. In the tenth Cl site, Cl(10) is bonded in a 6-coordinate geometry to one Rb(4), one Rb(5), one Rb(6), one Pb(1), and two equivalent Pb(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb6Pb5Cl16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.966
_cell_length_b   11.966
_cell_length_c   11.406
_cell_angle_alpha   89.914
_cell_angle_beta   89.914
_cell_angle_gamma   90.839
_symmetry_Int_Tables_number   1
_cell_volume   1632.918
_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
  Rb  Rb0  1  0.000  0.500  0.000  1.0
  Rb  Rb1  1  0.622  0.378  0.000  1.0
  Rb  Rb2  1  0.126  0.126  0.000  1.0
  Rb  Rb3  1  0.677  0.677  0.265  1.0
  Rb  Rb4  1  0.864  0.864  0.502  1.0
  Rb  Rb5  1  0.363  0.637  0.500  1.0
  Rb  Rb6  1  0.637  0.363  0.500  1.0
  Rb  Rb7  1  0.136  0.136  0.498  1.0
  Rb  Rb8  1  0.323  0.323  0.735  1.0
  Rb  Rb9  1  0.500  0.000  0.000  1.0
  Rb  Rb10  1  0.874  0.874  1.000  1.0
  Rb  Rb11  1  0.378  0.622  0.000  1.0
  Pb  Pb12  1  0.324  0.324  0.262  1.0
  Pb  Pb13  1  0.171  0.821  0.256  1.0
  Pb  Pb14  1  0.821  0.171  0.256  1.0
  Pb  Pb15  1  0.003  0.498  0.342  1.0
  Pb  Pb16  1  0.498  0.003  0.342  1.0
  Pb  Pb17  1  0.502  0.997  0.658  1.0
  Pb  Pb18  1  0.997  0.502  0.658  1.0
  Pb  Pb19  1  0.829  0.179  0.744  1.0
  Pb  Pb20  1  0.179  0.829  0.744  1.0
  Pb  Pb21  1  0.676  0.676  0.738  1.0
  Cl  Cl22  1  0.841  0.159  0.000  1.0
  Cl  Cl23  1  0.659  0.659  0.980  1.0
  Cl  Cl24  1  0.802  0.419  0.214  1.0
  Cl  Cl25  1  0.067  0.300  0.214  1.0
  Cl  Cl26  1  0.948  0.702  0.211  1.0
  Cl  Cl27  1  0.202  0.573  0.216  1.0
  Cl  Cl28  1  0.573  0.202  0.216  1.0
  Cl  Cl29  1  0.702  0.948  0.211  1.0
  Cl  Cl30  1  0.300  0.067  0.214  1.0
  Cl  Cl31  1  0.419  0.802  0.214  1.0
  Cl  Cl32  1  0.487  0.487  0.290  1.0
  Cl  Cl33  1  0.000  0.000  0.283  1.0
  Cl  Cl34  1  0.908  0.296  0.502  1.0
  Cl  Cl35  1  0.195  0.411  0.491  1.0
  Cl  Cl36  1  0.805  0.589  0.509  1.0
  Cl  Cl37  1  0.092  0.704  0.498  1.0
  Cl  Cl38  1  0.411  0.195  0.491  1.0
  Cl  Cl39  1  0.296  0.908  0.502  1.0
  Cl  Cl40  1  0.704  0.092  0.498  1.0
  Cl  Cl41  1  0.589  0.805  0.509  1.0
  Cl  Cl42  1  1.000  1.000  0.717  1.0
  Cl  Cl43  1  0.513  0.513  0.710  1.0
  Cl  Cl44  1  0.581  0.198  0.786  1.0
  Cl  Cl45  1  0.700  0.933  0.786  1.0
  Cl  Cl46  1  0.798  0.427  0.784  1.0
  Cl  Cl47  1  0.052  0.298  0.789  1.0
  Cl  Cl48  1  0.298  0.052  0.789  1.0
  Cl  Cl49  1  0.427  0.798  0.784  1.0
  Cl  Cl50  1  0.933  0.700  0.786  1.0
  Cl  Cl51  1  0.198  0.581  0.786  1.0
  Cl  Cl52  1  0.341  0.341  0.020  1.0
  Cl  Cl53  1  0.159  0.841  0.000  1.0
[/CIF]
.
The crystal structure described by Rb6Pb5Cl16 crystallizes in the monoclinic C2/m space group. There are six inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a distorted body-centered cubic geometry to two equivalent Cl(3), two equivalent Cl(4), two equivalent Cl(5), and two equivalent Cl(6) atoms. In the second Rb site, Rb(2) is bonded in a 7-coordinate geometry to one Cl(1), two equivalent Cl(2), two equivalent Cl(3), and two equivalent Cl(6) atoms. In the third Rb site, Rb(3) is bonded in a 9-coordinate geometry to one Cl(2), two equivalent Cl(1), two equivalent Cl(4), two equivalent Cl(5), and two equivalent Cl(8) atoms. In the fourth Rb site, Rb(4) is bonded in a 8-coordinate geometry to one Cl(2), one Cl(7), two equivalent Cl(10), two equivalent Cl(3), and two equivalent Cl(5) atoms. In the fifth Rb site, Rb(5) is bonded in a 6-coordinate geometry to two equivalent Cl(10), two equivalent Cl(8), and two equivalent Cl(9) atoms. In the sixth Rb site, Rb(6) is bonded in a 6-coordinate geometry to two equivalent Cl(10), two equivalent Cl(3), two equivalent Cl(6), two equivalent Cl(7), and two equivalent Cl(9) atoms. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 2-coordinate geometry to one Cl(2), one Cl(7), two equivalent Cl(10), and two equivalent Cl(4) atoms. In the second Pb site, Pb(2) is bonded in a 5-coordinate geometry to one Cl(1), one Cl(3), one Cl(5), one Cl(6), and one Cl(8) atom. In the third Pb site, Pb(3) is bonded in a 5-coordinate geometry to one Cl(3), one Cl(4), one Cl(5), one Cl(6), and two equivalent Cl(10) atoms. There are ten inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one Rb(2), two equivalent Rb(3), and two equivalent Pb(2) atoms to form distorted ClRb3Pb2 trigonal bipyramids that share corners with two equivalent Cl(5)Rb3Pb2 trigonal bipyramids, corners with four equivalent Cl(2)Rb4Pb trigonal bipyramids,  an edgeedge with one Cl(1)Rb3Pb2 trigonal bipyramid, and edges with two equivalent Cl(5)Rb3Pb2 trigonal bipyramids. In the second Cl site, Cl(2) is bonded to one Rb(3), one Rb(4), two equivalent Rb(2), and one Pb(1) atom to form distorted ClRb4Pb trigonal bipyramids that share corners with four equivalent Cl(1)Rb3Pb2 trigonal bipyramids,  an edgeedge with one Cl(2)Rb4Pb trigonal bipyramid, and edges with two equivalent Cl(5)Rb3Pb2 trigonal bipyramids. In the third Cl site, Cl(3) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Rb(4), one Rb(6), one Pb(2), and one Pb(3) atom. In the fourth Cl site, Cl(4) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(3), one Pb(1), and one Pb(3) atom. In the fifth Cl site, Cl(5) is bonded to one Rb(1), one Rb(3), one Rb(4), one Pb(2), and one Pb(3) atom to form distorted ClRb3Pb2 trigonal bipyramids that share  a cornercorner with one Cl(1)Rb3Pb2 trigonal bipyramid,  a cornercorner with one Cl(5)Rb3Pb2 trigonal bipyramid,  an edgeedge with one Cl(1)Rb3Pb2 trigonal bipyramid,  an edgeedge with one Cl(5)Rb3Pb2 trigonal bipyramid, and  an edgeedge with one Cl(2)Rb4Pb trigonal bipyramid. In the sixth Cl site, Cl(6) is bonded in a 5-coordinate geometry to one Rb(1), one Rb(2), one Rb(6), one Pb(2), and one Pb(3) atom. In the seventh Cl site, Cl(7) is bonded in a distorted rectangular see-saw-like geometry to one Rb(4), two equivalent Rb(6), and one Pb(1) atom. In the eighth Cl site, Cl(8) is bonded in a 4-coordinate geometry to two equivalent Rb(3), two equivalent Rb(5), and two equivalent Pb(2) atoms. In the ninth Cl site, Cl(9) is bonded in a 2-coordinate geometry to one Rb(5) and one Rb(6) atom. In the tenth Cl site, Cl(10) is bonded in a 6-coordinate geometry to one Rb(4), one Rb(5), one Rb(6), one Pb(1), and two equivalent Pb(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb6Pb5Cl16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.966
_cell_length_b   11.966
_cell_length_c   11.406
_cell_angle_alpha   89.914
_cell_angle_beta   89.914
_cell_angle_gamma   90.839
_symmetry_Int_Tables_number   1
_cell_volume   1632.918
_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
  Rb  Rb0  1  0.000  0.500  0.000  1.0
  Rb  Rb1  1  0.622  0.378  0.000  1.0
  Rb  Rb2  1  0.126  0.126  0.000  1.0
  Rb  Rb3  1  0.677  0.677  0.265  1.0
  Rb  Rb4  1  0.864  0.864  0.502  1.0
  Rb  Rb5  1  0.363  0.637  0.500  1.0
  Rb  Rb6  1  0.637  0.363  0.500  1.0
  Rb  Rb7  1  0.136  0.136  0.498  1.0
  Rb  Rb8  1  0.323  0.323  0.735  1.0
  Rb  Rb9  1  0.500  0.000  0.000  1.0
  Rb  Rb10  1  0.874  0.874  1.000  1.0
  Rb  Rb11  1  0.378  0.622  0.000  1.0
  Pb  Pb12  1  0.324  0.324  0.262  1.0
  Pb  Pb13  1  0.171  0.821  0.256  1.0
  Pb  Pb14  1  0.821  0.171  0.256  1.0
  Pb  Pb15  1  0.003  0.498  0.342  1.0
  Pb  Pb16  1  0.498  0.003  0.342  1.0
  Pb  Pb17  1  0.502  0.997  0.658  1.0
  Pb  Pb18  1  0.997  0.502  0.658  1.0
  Pb  Pb19  1  0.829  0.179  0.744  1.0
  Pb  Pb20  1  0.179  0.829  0.744  1.0
  Pb  Pb21  1  0.676  0.676  0.738  1.0
  Cl  Cl22  1  0.841  0.159  0.000  1.0
  Cl  Cl23  1  0.659  0.659  0.980  1.0
  Cl  Cl24  1  0.802  0.419  0.214  1.0
  Cl  Cl25  1  0.067  0.300  0.214  1.0
  Cl  Cl26  1  0.948  0.702  0.211  1.0
  Cl  Cl27  1  0.202  0.573  0.216  1.0
  Cl  Cl28  1  0.573  0.202  0.216  1.0
  Cl  Cl29  1  0.702  0.948  0.211  1.0
  Cl  Cl30  1  0.300  0.067  0.214  1.0
  Cl  Cl31  1  0.419  0.802  0.214  1.0
  Cl  Cl32  1  0.487  0.487  0.290  1.0
  Cl  Cl33  1  0.000  0.000  0.283  1.0
  Cl  Cl34  1  0.908  0.296  0.502  1.0
  Cl  Cl35  1  0.195  0.411  0.491  1.0
  Cl  Cl36  1  0.805  0.589  0.509  1.0
  Cl  Cl37  1  0.092  0.704  0.498  1.0
  Cl  Cl38  1  0.411  0.195  0.491  1.0
  Cl  Cl39  1  0.296  0.908  0.502  1.0
  Cl  Cl40  1  0.704  0.092  0.498  1.0
  Cl  Cl41  1  0.589  0.805  0.509  1.0
  Cl  Cl42  1  1.000  1.000  0.717  1.0
  Cl  Cl43  1  0.513  0.513  0.710  1.0
  Cl  Cl44  1  0.581  0.198  0.786  1.0
  Cl  Cl45  1  0.700  0.933  0.786  1.0
  Cl  Cl46  1  0.798  0.427  0.784  1.0
  Cl  Cl47  1  0.052  0.298  0.789  1.0
  Cl  Cl48  1  0.298  0.052  0.789  1.0
  Cl  Cl49  1  0.427  0.798  0.784  1.0
  Cl  Cl50  1  0.933  0.700  0.786  1.0
  Cl  Cl51  1  0.198  0.581  0.786  1.0
  Cl  Cl52  1  0.341  0.341  0.020  1.0
  Cl  Cl53  1  0.159  0.841  0.000  1.0
[/CIF]
.