K6CdPb8 crystallizes in the monoclinic C2/m space group. There are nine inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one Pb(7), one Pb(9), two equivalent Pb(1), two equivalent Pb(2), and two equivalent Pb(3) atoms. In the second K site, K(2) is bonded in a 8-coordinate geometry to one Pb(9), three equivalent Pb(3), and four equivalent Pb(1) atoms. In the third K site, K(3) is bonded in a 1-coordinate geometry to one Pb(3), two equivalent Pb(4), two equivalent Pb(7), and two equivalent Pb(9) atoms. In the fourth K site, K(4) is bonded in a 10-coordinate geometry to one Cd(1), one Cd(2), one Pb(6), one Pb(7), two equivalent Pb(1), two equivalent Pb(2), and two equivalent Pb(5) atoms. In the fifth K site, K(5) is bonded in a 9-coordinate geometry to one K(7), one Pb(2), two equivalent Pb(1), two equivalent Pb(6), and four equivalent Pb(5) atoms. In the sixth K site, K(6) is bonded in a 9-coordinate geometry to one K(7), two equivalent Pb(5), three equivalent Pb(8), and four equivalent Pb(4) atoms. In the seventh K site, K(7) is bonded in a 15-coordinate geometry to one K(5), one K(6), two equivalent K(9), one Pb(9), two equivalent Pb(1), two equivalent Pb(4), two equivalent Pb(5), two equivalent Pb(6), and two equivalent Pb(8) atoms. In the eighth K site, K(8) is bonded in a 5-coordinate geometry to one Pb(2), two equivalent Pb(4), two equivalent Pb(5), and two equivalent Pb(7) atoms. In the ninth K site, K(9) is bonded in a 9-coordinate geometry to two equivalent K(7), one Pb(3), one Pb(6), one Pb(8), two equivalent Pb(1), two equivalent Pb(4), and two equivalent Pb(9) atoms. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 6-coordinate geometry to one K(4), one Pb(7), one Pb(8), two equivalent Pb(4), and two equivalent Pb(5) atoms. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to two equivalent K(4), two equivalent Pb(6), and four equivalent Pb(5) atoms. There are nine inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 10-coordinate geometry to one K(1), one K(4), one K(5), one K(7), one K(9), two equivalent K(2), one Pb(1), one Pb(2), and one Pb(3) atom. In the second Pb site, Pb(2) is bonded in a 9-coordinate geometry to one K(5), one K(8), two equivalent K(1), two equivalent K(4), one Pb(3), and two equivalent Pb(1) atoms. In the third Pb site, Pb(3) is bonded in a 10-coordinate geometry to one K(3), one K(9), two equivalent K(1), three equivalent K(2), one Pb(2), and two equivalent Pb(1) atoms. In the fourth Pb site, Pb(4) is bonded in a 11-coordinate geometry to one K(3), one K(7), one K(8), one K(9), two equivalent K(6), one Cd(1), one Pb(7), one Pb(9), and two equivalent Pb(4) atoms. In the fifth Pb site, Pb(5) is bonded in a 12-coordinate geometry to one K(4), one K(6), one K(7), one K(8), two equivalent K(5), one Cd(1), one Cd(2), one Pb(6), one Pb(8), and two equivalent Pb(5) atoms. In the sixth Pb site, Pb(6) is bonded in a 10-coordinate geometry to one K(4), one K(9), two equivalent K(5), two equivalent K(7), one Cd(2), one Pb(8), and two equivalent Pb(5) atoms. In the seventh Pb site, Pb(7) is bonded in a 10-coordinate geometry to one K(1), one K(4), two equivalent K(3), two equivalent K(8), one Cd(1), one Pb(9), and two equivalent Pb(4) atoms. In the eighth Pb site, Pb(8) is bonded in a 10-coordinate geometry to one K(9), two equivalent K(7), three equivalent K(6), one Cd(1), one Pb(6), and two equivalent Pb(5) atoms. In the ninth Pb site, Pb(9) is bonded in a 10-coordinate geometry to one K(1), one K(2), one K(7), two equivalent K(3), two equivalent K(9), one Pb(7), and two equivalent Pb(4) atoms.
K6CdPb8 crystallizes in the monoclinic C2/m space group. There are nine inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one Pb(7), one Pb(9), two equivalent Pb(1), two equivalent Pb(2), and two equivalent Pb(3) atoms. The K(1)-Pb(7) bond length is 4.07 Å. The K(1)-Pb(9) bond length is 3.78 Å. Both K(1)-Pb(1) bond lengths are 3.95 Å. Both K(1)-Pb(2) bond lengths are 3.94 Å. Both K(1)-Pb(3) bond lengths are 4.13 Å. In the second K site, K(2) is bonded in a 8-coordinate geometry to one Pb(9), three equivalent Pb(3), and four equivalent Pb(1) atoms. The K(2)-Pb(9) bond length is 3.60 Å. There is one shorter (3.65 Å) and two longer (3.99 Å) K(2)-Pb(3) bond lengths. There are two shorter (3.86 Å) and two longer (4.01 Å) K(2)-Pb(1) bond lengths. In the third K site, K(3) is bonded in a 1-coordinate geometry to one Pb(3), two equivalent Pb(4), two equivalent Pb(7), and two equivalent Pb(9) atoms. The K(3)-Pb(3) bond length is 3.68 Å. Both K(3)-Pb(4) bond lengths are 4.01 Å. Both K(3)-Pb(7) bond lengths are 3.97 Å. Both K(3)-Pb(9) bond lengths are 4.14 Å. In the fourth K site, K(4) is bonded in a 10-coordinate geometry to one Cd(1), one Cd(2), one Pb(6), one Pb(7), two equivalent Pb(1), two equivalent Pb(2), and two equivalent Pb(5) atoms. The K(4)-Cd(1) bond length is 3.87 Å. The K(4)-Cd(2) bond length is 3.99 Å. The K(4)-Pb(6) bond length is 3.71 Å. The K(4)-Pb(7) bond length is 3.71 Å. Both K(4)-Pb(1) bond lengths are 3.81 Å. Both K(4)-Pb(2) bond lengths are 4.08 Å. Both K(4)-Pb(5) bond lengths are 4.02 Å. In the fifth K site, K(5) is bonded in a 9-coordinate geometry to one K(7), one Pb(2), two equivalent Pb(1), two equivalent Pb(6), and four equivalent Pb(5) atoms. The K(5)-K(7) bond length is 3.85 Å. The K(5)-Pb(2) bond length is 3.95 Å. Both K(5)-Pb(1) bond lengths are 3.96 Å. Both K(5)-Pb(6) bond lengths are 3.96 Å. There are two shorter (3.90 Å) and two longer (3.96 Å) K(5)-Pb(5) bond lengths. In the sixth K site, K(6) is bonded in a 9-coordinate geometry to one K(7), two equivalent Pb(5), three equivalent Pb(8), and four equivalent Pb(4) atoms. The K(6)-K(7) bond length is 3.97 Å. Both K(6)-Pb(5) bond lengths are 3.98 Å. There is one shorter (3.80 Å) and two longer (3.99 Å) K(6)-Pb(8) bond lengths. There are two shorter (3.83 Å) and two longer (3.97 Å) K(6)-Pb(4) bond lengths. In the seventh K site, K(7) is bonded in a 15-coordinate geometry to one K(5), one K(6), two equivalent K(9), one Pb(9), two equivalent Pb(1), two equivalent Pb(4), two equivalent Pb(5), two equivalent Pb(6), and two equivalent Pb(8) atoms. Both K(7)-K(9) bond lengths are 4.15 Å. The K(7)-Pb(9) bond length is 3.86 Å. Both K(7)-Pb(1) bond lengths are 4.03 Å. Both K(7)-Pb(4) bond lengths are 4.02 Å. Both K(7)-Pb(5) bond lengths are 4.09 Å. Both K(7)-Pb(6) bond lengths are 4.06 Å. Both K(7)-Pb(8) bond lengths are 4.10 Å. In the eighth K site, K(8) is bonded in a 5-coordinate geometry to one Pb(2), two equivalent Pb(4), two equivalent Pb(5), and two equivalent Pb(7) atoms. The K(8)-Pb(2) bond length is 3.49 Å. Both K(8)-Pb(4) bond lengths are 3.70 Å. Both K(8)-Pb(5) bond lengths are 3.73 Å. Both K(8)-Pb(7) bond lengths are 4.05 Å. In the ninth K site, K(9) is bonded in a 9-coordinate geometry to two equivalent K(7), one Pb(3), one Pb(6), one Pb(8), two equivalent Pb(1), two equivalent Pb(4), and two equivalent Pb(9) atoms. The K(9)-Pb(3) bond length is 3.62 Å. The K(9)-Pb(6) bond length is 3.89 Å. The K(9)-Pb(8) bond length is 3.98 Å. Both K(9)-Pb(1) bond lengths are 3.96 Å. Both K(9)-Pb(4) bond lengths are 3.93 Å. Both K(9)-Pb(9) bond lengths are 4.12 Å. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 6-coordinate geometry to one K(4), one Pb(7), one Pb(8), two equivalent Pb(4), and two equivalent Pb(5) atoms. The Cd(1)-Pb(7) bond length is 3.15 Å. The Cd(1)-Pb(8) bond length is 3.21 Å. Both Cd(1)-Pb(4) bond lengths are 3.14 Å. Both Cd(1)-Pb(5) bond lengths are 3.25 Å. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to two equivalent K(4), two equivalent Pb(6), and four equivalent Pb(5) atoms. Both Cd(2)-Pb(6) bond lengths are 3.16 Å. All Cd(2)-Pb(5) bond lengths are 3.19 Å. There are nine inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 10-coordinate geometry to one K(1), one K(4), one K(5), one K(7), one K(9), two equivalent K(2), one Pb(1), one Pb(2), and one Pb(3) atom. The Pb(1)-Pb(1) bond length is 3.30 Å. The Pb(1)-Pb(2) bond length is 3.17 Å. The Pb(1)-Pb(3) bond length is 3.17 Å. In the second Pb site, Pb(2) is bonded in a 9-coordinate geometry to one K(5), one K(8), two equivalent K(1), two equivalent K(4), one Pb(3), and two equivalent Pb(1) atoms. The Pb(2)-Pb(3) bond length is 3.06 Å. In the third Pb site, Pb(3) is bonded in a 10-coordinate geometry to one K(3), one K(9), two equivalent K(1), three equivalent K(2), one Pb(2), and two equivalent Pb(1) atoms. In the fourth Pb site, Pb(4) is bonded in a 11-coordinate geometry to one K(3), one K(7), one K(8), one K(9), two equivalent K(6), one Cd(1), one Pb(7), one Pb(9), and two equivalent Pb(4) atoms. The Pb(4)-Pb(7) bond length is 3.31 Å. The Pb(4)-Pb(9) bond length is 3.09 Å. There is one shorter (3.40 Å) and one longer (3.62 Å) Pb(4)-Pb(4) bond length. In the fifth Pb site, Pb(5) is bonded in a 12-coordinate geometry to one K(4), one K(6), one K(7), one K(8), two equivalent K(5), one Cd(1), one Cd(2), one Pb(6), one Pb(8), and two equivalent Pb(5) atoms. The Pb(5)-Pb(6) bond length is 3.27 Å. The Pb(5)-Pb(8) bond length is 3.21 Å. There is one shorter (3.42 Å) and one longer (3.59 Å) Pb(5)-Pb(5) bond length. In the sixth Pb site, Pb(6) is bonded in a 10-coordinate geometry to one K(4), one K(9), two equivalent K(5), two equivalent K(7), one Cd(2), one Pb(8), and two equivalent Pb(5) atoms. The Pb(6)-Pb(8) bond length is 3.09 Å. In the seventh Pb site, Pb(7) is bonded in a 10-coordinate geometry to one K(1), one K(4), two equivalent K(3), two equivalent K(8), one Cd(1), one Pb(9), and two equivalent Pb(4) atoms. The Pb(7)-Pb(9) bond length is 3.07 Å. In the eighth Pb site, Pb(8) is bonded in a 10-coordinate geometry to one K(9), two equivalent K(7), three equivalent K(6), one Cd(1), one Pb(6), and two equivalent Pb(5) atoms. In the ninth Pb site, Pb(9) is bonded in a 10-coordinate geometry to one K(1), one K(2), one K(7), two equivalent K(3), two equivalent K(9), one Pb(7), and two equivalent Pb(4) atoms.