The compound described by Rb3PbCl5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to one Cl(3), three equivalent Cl(1), and three equivalent Cl(2) atoms to form distorted RbCl7 pentagonal bipyramids that share corners with five equivalent Rb(1)Cl7 pentagonal bipyramids, corners with four equivalent Pb(1)Cl5 square pyramids, edges with four equivalent Rb(1)Cl7 pentagonal bipyramids, and  a faceface with one Pb(1)Cl5 square pyramid. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to two equivalent Cl(2), two equivalent Cl(3), and four equivalent Cl(1) atoms. Pb(1) is bonded to one Cl(3), two equivalent Cl(1), and two equivalent Cl(2) atoms to form distorted PbCl5 square pyramids that share corners with eight equivalent Rb(1)Cl7 pentagonal bipyramids and faces with two equivalent Rb(1)Cl7 pentagonal bipyramids. There are three inequivalent Cl sites. In the first Cl site, Cl(3) is bonded to two equivalent Rb(1), two equivalent Rb(2), and one Pb(1) atom to form ClRb4Pb square pyramids that share corners with four equivalent Cl(1)Rb5Pb octahedra, corners with two equivalent Cl(3)Rb4Pb square pyramids, corners with four equivalent Cl(2)Rb4Pb trigonal bipyramids, edges with four equivalent Cl(2)Rb4Pb trigonal bipyramids, and faces with four equivalent Cl(1)Rb5Pb octahedra. The corner-sharing octahedral tilt angles range from 41-43°. In the second Cl site, Cl(1) is bonded to two equivalent Rb(2), three equivalent Rb(1), and one Pb(1) atom to form distorted ClRb5Pb octahedra that share corners with four equivalent Cl(1)Rb5Pb octahedra, corners with two equivalent Cl(3)Rb4Pb square pyramids, corners with seven equivalent Cl(2)Rb4Pb trigonal bipyramids, edges with three equivalent Cl(1)Rb5Pb octahedra, edges with four equivalent Cl(2)Rb4Pb trigonal bipyramids,  a faceface with one Cl(1)Rb5Pb octahedra, and faces with two equivalent Cl(3)Rb4Pb square pyramids. The corner-sharing octahedral tilt angles range from 37-38°. In the third Cl site, Cl(2) is bonded to one Rb(2), three equivalent Rb(1), and one Pb(1) atom to form distorted ClRb4Pb trigonal bipyramids that share corners with seven equivalent Cl(1)Rb5Pb octahedra, corners with two equivalent Cl(3)Rb4Pb square pyramids, corners with four equivalent Cl(2)Rb4Pb trigonal bipyramids, edges with four equivalent Cl(1)Rb5Pb octahedra, edges with two equivalent Cl(3)Rb4Pb square pyramids, and edges with two equivalent Cl(2)Rb4Pb trigonal bipyramids. The corner-sharing octahedral tilt angles range from 19-71°. is represented by the CIF card [CIF]
data_Rb3PbCl5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.346
_cell_length_b   8.730
_cell_length_c   15.839
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1154.112
_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
  Rb  Rb0  1  0.967  0.262  0.046  1.0
  Rb  Rb1  1  0.467  0.238  0.954  1.0
  Rb  Rb2  1  0.533  0.762  0.454  1.0
  Rb  Rb3  1  0.033  0.738  0.546  1.0
  Rb  Rb4  1  0.033  0.738  0.954  1.0
  Rb  Rb5  1  0.533  0.762  0.046  1.0
  Rb  Rb6  1  0.467  0.238  0.546  1.0
  Rb  Rb7  1  0.967  0.262  0.454  1.0
  Rb  Rb8  1  0.137  0.080  0.750  1.0
  Rb  Rb9  1  0.637  0.420  0.250  1.0
  Rb  Rb10  1  0.363  0.580  0.750  1.0
  Rb  Rb11  1  0.863  0.920  0.250  1.0
  Pb  Pb12  1  0.642  0.933  0.750  1.0
  Pb  Pb13  1  0.142  0.567  0.250  1.0
  Pb  Pb14  1  0.858  0.433  0.750  1.0
  Pb  Pb15  1  0.358  0.067  0.250  1.0
  Cl  Cl16  1  0.128  0.391  0.875  1.0
  Cl  Cl17  1  0.628  0.109  0.125  1.0
  Cl  Cl18  1  0.372  0.891  0.625  1.0
  Cl  Cl19  1  0.872  0.609  0.375  1.0
  Cl  Cl20  1  0.872  0.609  0.125  1.0
  Cl  Cl21  1  0.372  0.891  0.875  1.0
  Cl  Cl22  1  0.628  0.109  0.375  1.0
  Cl  Cl23  1  0.128  0.391  0.625  1.0
  Cl  Cl24  1  0.177  0.952  0.113  1.0
  Cl  Cl25  1  0.677  0.548  0.887  1.0
  Cl  Cl26  1  0.323  0.452  0.387  1.0
  Cl  Cl27  1  0.823  0.048  0.613  1.0
  Cl  Cl28  1  0.823  0.048  0.887  1.0
  Cl  Cl29  1  0.323  0.452  0.113  1.0
  Cl  Cl30  1  0.677  0.548  0.613  1.0
  Cl  Cl31  1  0.177  0.952  0.387  1.0
  Cl  Cl32  1  0.022  0.276  0.250  1.0
  Cl  Cl33  1  0.522  0.224  0.750  1.0
  Cl  Cl34  1  0.478  0.776  0.250  1.0
  Cl  Cl35  1  0.978  0.724  0.750  1.0
[/CIF]
.
The compound described by Rb3PbCl5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to one Cl(3), three equivalent Cl(1), and three equivalent Cl(2) atoms to form distorted RbCl7 pentagonal bipyramids that share corners with five equivalent Rb(1)Cl7 pentagonal bipyramids, corners with four equivalent Pb(1)Cl5 square pyramids, edges with four equivalent Rb(1)Cl7 pentagonal bipyramids, and  a faceface with one Pb(1)Cl5 square pyramid. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to two equivalent Cl(2), two equivalent Cl(3), and four equivalent Cl(1) atoms. Pb(1) is bonded to one Cl(3), two equivalent Cl(1), and two equivalent Cl(2) atoms to form distorted PbCl5 square pyramids that share corners with eight equivalent Rb(1)Cl7 pentagonal bipyramids and faces with two equivalent Rb(1)Cl7 pentagonal bipyramids. There are three inequivalent Cl sites. In the first Cl site, Cl(3) is bonded to two equivalent Rb(1), two equivalent Rb(2), and one Pb(1) atom to form ClRb4Pb square pyramids that share corners with four equivalent Cl(1)Rb5Pb octahedra, corners with two equivalent Cl(3)Rb4Pb square pyramids, corners with four equivalent Cl(2)Rb4Pb trigonal bipyramids, edges with four equivalent Cl(2)Rb4Pb trigonal bipyramids, and faces with four equivalent Cl(1)Rb5Pb octahedra. The corner-sharing octahedral tilt angles range from 41-43°. In the second Cl site, Cl(1) is bonded to two equivalent Rb(2), three equivalent Rb(1), and one Pb(1) atom to form distorted ClRb5Pb octahedra that share corners with four equivalent Cl(1)Rb5Pb octahedra, corners with two equivalent Cl(3)Rb4Pb square pyramids, corners with seven equivalent Cl(2)Rb4Pb trigonal bipyramids, edges with three equivalent Cl(1)Rb5Pb octahedra, edges with four equivalent Cl(2)Rb4Pb trigonal bipyramids,  a faceface with one Cl(1)Rb5Pb octahedra, and faces with two equivalent Cl(3)Rb4Pb square pyramids. The corner-sharing octahedral tilt angles range from 37-38°. In the third Cl site, Cl(2) is bonded to one Rb(2), three equivalent Rb(1), and one Pb(1) atom to form distorted ClRb4Pb trigonal bipyramids that share corners with seven equivalent Cl(1)Rb5Pb octahedra, corners with two equivalent Cl(3)Rb4Pb square pyramids, corners with four equivalent Cl(2)Rb4Pb trigonal bipyramids, edges with four equivalent Cl(1)Rb5Pb octahedra, edges with two equivalent Cl(3)Rb4Pb square pyramids, and edges with two equivalent Cl(2)Rb4Pb trigonal bipyramids. The corner-sharing octahedral tilt angles range from 19-71°. is represented by the CIF card [CIF]
data_Rb3PbCl5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.346
_cell_length_b   8.730
_cell_length_c   15.839
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1154.112
_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
  Rb  Rb0  1  0.967  0.262  0.046  1.0
  Rb  Rb1  1  0.467  0.238  0.954  1.0
  Rb  Rb2  1  0.533  0.762  0.454  1.0
  Rb  Rb3  1  0.033  0.738  0.546  1.0
  Rb  Rb4  1  0.033  0.738  0.954  1.0
  Rb  Rb5  1  0.533  0.762  0.046  1.0
  Rb  Rb6  1  0.467  0.238  0.546  1.0
  Rb  Rb7  1  0.967  0.262  0.454  1.0
  Rb  Rb8  1  0.137  0.080  0.750  1.0
  Rb  Rb9  1  0.637  0.420  0.250  1.0
  Rb  Rb10  1  0.363  0.580  0.750  1.0
  Rb  Rb11  1  0.863  0.920  0.250  1.0
  Pb  Pb12  1  0.642  0.933  0.750  1.0
  Pb  Pb13  1  0.142  0.567  0.250  1.0
  Pb  Pb14  1  0.858  0.433  0.750  1.0
  Pb  Pb15  1  0.358  0.067  0.250  1.0
  Cl  Cl16  1  0.128  0.391  0.875  1.0
  Cl  Cl17  1  0.628  0.109  0.125  1.0
  Cl  Cl18  1  0.372  0.891  0.625  1.0
  Cl  Cl19  1  0.872  0.609  0.375  1.0
  Cl  Cl20  1  0.872  0.609  0.125  1.0
  Cl  Cl21  1  0.372  0.891  0.875  1.0
  Cl  Cl22  1  0.628  0.109  0.375  1.0
  Cl  Cl23  1  0.128  0.391  0.625  1.0
  Cl  Cl24  1  0.177  0.952  0.113  1.0
  Cl  Cl25  1  0.677  0.548  0.887  1.0
  Cl  Cl26  1  0.323  0.452  0.387  1.0
  Cl  Cl27  1  0.823  0.048  0.613  1.0
  Cl  Cl28  1  0.823  0.048  0.887  1.0
  Cl  Cl29  1  0.323  0.452  0.113  1.0
  Cl  Cl30  1  0.677  0.548  0.613  1.0
  Cl  Cl31  1  0.177  0.952  0.387  1.0
  Cl  Cl32  1  0.022  0.276  0.250  1.0
  Cl  Cl33  1  0.522  0.224  0.750  1.0
  Cl  Cl34  1  0.478  0.776  0.250  1.0
  Cl  Cl35  1  0.978  0.724  0.750  1.0
[/CIF]
.