K7Na17(ZnSn2)4 crystallizes in the triclinic P1 space group. There are seven inequivalent K sites. In the first K site, K(1) is bonded in a 2-coordinate geometry to one Na(17), one Zn(2), one Sn(3), one Sn(5), and one Sn(7) atom. In the second K site, K(2) is bonded in a 2-coordinate geometry to one Na(17), one Zn(1), one Sn(4), one Sn(6), and one Sn(8) atom. In the third K site, K(3) is bonded in a 2-coordinate geometry to one Zn(4), one Sn(1), one Sn(5), one Sn(7), and one Sn(8) atom. In the fourth K site, K(4) is bonded in a 2-coordinate geometry to one Zn(3), one Sn(2), one Sn(7), and one Sn(8) atom. In the fifth K site, K(5) is bonded in a 4-coordinate geometry to one Sn(2), one Sn(3), one Sn(5), and one Sn(6) atom. In the sixth K site, K(6) is bonded in a 4-coordinate geometry to one Sn(2), one Sn(3), one Sn(7), and one Sn(8) atom. In the seventh K site, K(7) is bonded in a 4-coordinate geometry to one Sn(1), one Sn(4), one Sn(7), and one Sn(8) atom. There are seventeen inequivalent Na sites. In the first Na site, Na(1) is bonded in a 3-coordinate geometry to one Zn(2), one Sn(1), and one Sn(4) atom. In the second Na site, Na(2) is bonded in a 3-coordinate geometry to one Zn(1), one Sn(2), and one Sn(3) atom. In the third Na site, Na(3) is bonded in a 3-coordinate geometry to one Zn(4), one Sn(2), one Sn(3), and one Sn(8) atom. In the fourth Na site, Na(4) is bonded in a 3-coordinate geometry to one Na(17), one Zn(3), one Sn(1), one Sn(4), and one Sn(7) atom. In the fifth Na site, Na(5) is bonded in a 4-coordinate geometry to one Zn(3), one Sn(3), one Sn(5), and one Sn(8) atom. In the sixth Na site, Na(6) is bonded in a 4-coordinate geometry to one Na(17), one Zn(4), one Sn(4), one Sn(6), and one Sn(7) atom. In the seventh Na site, Na(7) is bonded in a 4-coordinate geometry to one Na(17), one Zn(1), one Sn(1), one Sn(6), and one Sn(7) atom. In the eighth Na site, Na(8) is bonded in a 4-coordinate geometry to one Na(17), one Zn(2), one Sn(2), one Sn(5), and one Sn(8) atom. In the ninth Na site, Na(9) is bonded in a 4-coordinate geometry to one Na(17), one Zn(4), one Sn(3), one Sn(5), and one Sn(8) atom. In the tenth Na site, Na(10) is bonded in a 4-coordinate geometry to one Zn(3), one Sn(4), one Sn(6), and one Sn(7) atom. In the eleventh Na site, Na(11) is bonded in a 4-coordinate geometry to one Zn(2), one Sn(1), one Sn(6), and one Sn(7) atom. In the twelfth Na site, Na(12) is bonded in a 4-coordinate geometry to one Zn(1), one Sn(2), one Sn(5), and one Sn(8) atom. In the thirteenth Na site, Na(13) is bonded in a 3-coordinate geometry to one Na(17), one Sn(1), one Sn(2), and one Sn(5) atom. In the fourteenth Na site, Na(14) is bonded in a 3-coordinate geometry to one Sn(1), one Sn(2), and one Sn(6) atom. In the fifteenth Na site, Na(15) is bonded in a 3-coordinate geometry to one Sn(3), one Sn(4), and one Sn(7) atom. In the sixteenth Na site, Na(16) is bonded in a 3-coordinate geometry to one Sn(3), one Sn(4), and one Sn(8) atom. In the seventeenth Na site, Na(17) is bonded in a 12-coordinate geometry to one K(1), one K(2), one Na(13), one Na(4), one Na(6), one Na(7), one Na(8), one Na(9), one Sn(1), one Sn(4), one Sn(5), and one Sn(6) atom. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to one K(2), one Na(12), one Na(2), one Na(7), one Sn(1), and one Sn(5) atom. In the second Zn site, Zn(2) is bonded in a 6-coordinate geometry to one K(1), one Na(1), one Na(11), one Na(8), one Sn(2), and one Sn(6) atom. In the third Zn site, Zn(3) is bonded in a 6-coordinate geometry to one K(4), one Na(10), one Na(4), one Na(5), one Sn(3), and one Sn(7) atom. In the fourth Zn site, Zn(4) is bonded in a 6-coordinate geometry to one K(3), one Na(3), one Na(6), one Na(9), one Sn(4), and one Sn(8) atom. There are eight inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 10-coordinate geometry to one K(3), one K(7), one Na(1), one Na(11), one Na(13), one Na(14), one Na(17), one Na(4), one Na(7), and one Zn(1) atom. In the second Sn site, Sn(2) is bonded in a 10-coordinate geometry to one K(4), one K(5), one K(6), one Na(12), one Na(13), one Na(14), one Na(2), one Na(3), one Na(8), and one Zn(2) atom. In the third Sn site, Sn(3) is bonded in a 10-coordinate geometry to one K(1), one K(5), one K(6), one Na(15), one Na(16), one Na(2), one Na(3), one Na(5), one Na(9), and one Zn(3) atom. In the fourth Sn site, Sn(4) is bonded in a 10-coordinate geometry to one K(2), one K(7), one Na(1), one Na(10), one Na(15), one Na(16), one Na(17), one Na(4), one Na(6), and one Zn(4) atom. In the fifth Sn site, Sn(5) is bonded in a 10-coordinate geometry to one K(1), one K(3), one K(5), one Na(12), one Na(13), one Na(17), one Na(5), one Na(8), one Na(9), and one Zn(1) atom. In the sixth Sn site, Sn(6) is bonded in a 8-coordinate geometry to one K(2), one K(5), one Na(10), one Na(11), one Na(14), one Na(17), one Na(6), one Na(7), and one Zn(2) atom. In the seventh Sn site, Sn(7) is bonded in a 12-coordinate geometry to one K(1), one K(3), one K(4), one K(6), one K(7), one Na(10), one Na(11), one Na(15), one Na(4), one Na(6), one Na(7), and one Zn(3) atom. In the eighth Sn site, Sn(8) is bonded in a 12-coordinate geometry to one K(2), one K(3), one K(4), one K(6), one K(7), one Na(12), one Na(16), one Na(3), one Na(5), one Na(8), one Na(9), and one Zn(4) atom.
K7Na17(ZnSn2)4 crystallizes in the triclinic P1 space group. There are seven inequivalent K sites. In the first K site, K(1) is bonded in a 2-coordinate geometry to one Na(17), one Zn(2), one Sn(3), one Sn(5), and one Sn(7) atom. The K(1)-Na(17) bond length is 4.11 Å. The K(1)-Zn(2) bond length is 3.40 Å. The K(1)-Sn(3) bond length is 3.99 Å. The K(1)-Sn(5) bond length is 3.65 Å. The K(1)-Sn(7) bond length is 4.01 Å. In the second K site, K(2) is bonded in a 2-coordinate geometry to one Na(17), one Zn(1), one Sn(4), one Sn(6), and one Sn(8) atom. The K(2)-Na(17) bond length is 3.73 Å. The K(2)-Zn(1) bond length is 3.41 Å. The K(2)-Sn(4) bond length is 3.93 Å. The K(2)-Sn(6) bond length is 3.66 Å. The K(2)-Sn(8) bond length is 4.01 Å. In the third K site, K(3) is bonded in a 2-coordinate geometry to one Zn(4), one Sn(1), one Sn(5), one Sn(7), and one Sn(8) atom. The K(3)-Zn(4) bond length is 3.42 Å. The K(3)-Sn(1) bond length is 3.95 Å. The K(3)-Sn(5) bond length is 3.98 Å. The K(3)-Sn(7) bond length is 3.68 Å. The K(3)-Sn(8) bond length is 4.07 Å. In the fourth K site, K(4) is bonded in a 2-coordinate geometry to one Zn(3), one Sn(2), one Sn(7), and one Sn(8) atom. The K(4)-Zn(3) bond length is 3.41 Å. The K(4)-Sn(2) bond length is 3.98 Å. The K(4)-Sn(7) bond length is 4.08 Å. The K(4)-Sn(8) bond length is 3.67 Å. In the fifth K site, K(5) is bonded in a 4-coordinate geometry to one Sn(2), one Sn(3), one Sn(5), and one Sn(6) atom. The K(5)-Sn(2) bond length is 3.74 Å. The K(5)-Sn(3) bond length is 3.66 Å. The K(5)-Sn(5) bond length is 3.87 Å. The K(5)-Sn(6) bond length is 3.67 Å. In the sixth K site, K(6) is bonded in a 4-coordinate geometry to one Sn(2), one Sn(3), one Sn(7), and one Sn(8) atom. The K(6)-Sn(2) bond length is 3.65 Å. The K(6)-Sn(3) bond length is 3.75 Å. The K(6)-Sn(7) bond length is 3.64 Å. The K(6)-Sn(8) bond length is 3.86 Å. In the seventh K site, K(7) is bonded in a 4-coordinate geometry to one Sn(1), one Sn(4), one Sn(7), and one Sn(8) atom. The K(7)-Sn(1) bond length is 3.67 Å. The K(7)-Sn(4) bond length is 3.76 Å. The K(7)-Sn(7) bond length is 3.86 Å. The K(7)-Sn(8) bond length is 3.64 Å. There are seventeen inequivalent Na sites. In the first Na site, Na(1) is bonded in a 3-coordinate geometry to one Zn(2), one Sn(1), and one Sn(4) atom. The Na(1)-Zn(2) bond length is 3.07 Å. The Na(1)-Sn(1) bond length is 3.43 Å. The Na(1)-Sn(4) bond length is 3.34 Å. In the second Na site, Na(2) is bonded in a 3-coordinate geometry to one Zn(1), one Sn(2), and one Sn(3) atom. The Na(2)-Zn(1) bond length is 3.06 Å. The Na(2)-Sn(2) bond length is 3.42 Å. The Na(2)-Sn(3) bond length is 3.28 Å. In the third Na site, Na(3) is bonded in a 3-coordinate geometry to one Zn(4), one Sn(2), one Sn(3), and one Sn(8) atom. The Na(3)-Zn(4) bond length is 3.08 Å. The Na(3)-Sn(2) bond length is 3.29 Å. The Na(3)-Sn(3) bond length is 3.40 Å. The Na(3)-Sn(8) bond length is 3.72 Å. In the fourth Na site, Na(4) is bonded in a 3-coordinate geometry to one Na(17), one Zn(3), one Sn(1), one Sn(4), and one Sn(7) atom. The Na(4)-Na(17) bond length is 3.90 Å. The Na(4)-Zn(3) bond length is 3.09 Å. The Na(4)-Sn(1) bond length is 3.27 Å. The Na(4)-Sn(4) bond length is 3.39 Å. The Na(4)-Sn(7) bond length is 3.73 Å. In the fifth Na site, Na(5) is bonded in a 4-coordinate geometry to one Zn(3), one Sn(3), one Sn(5), and one Sn(8) atom. The Na(5)-Zn(3) bond length is 3.22 Å. The Na(5)-Sn(3) bond length is 3.50 Å. The Na(5)-Sn(5) bond length is 3.32 Å. The Na(5)-Sn(8) bond length is 3.51 Å. In the sixth Na site, Na(6) is bonded in a 4-coordinate geometry to one Na(17), one Zn(4), one Sn(4), one Sn(6), and one Sn(7) atom. The Na(6)-Na(17) bond length is 3.71 Å. The Na(6)-Zn(4) bond length is 3.20 Å. The Na(6)-Sn(4) bond length is 3.46 Å. The Na(6)-Sn(6) bond length is 3.30 Å. The Na(6)-Sn(7) bond length is 3.54 Å. In the seventh Na site, Na(7) is bonded in a 4-coordinate geometry to one Na(17), one Zn(1), one Sn(1), one Sn(6), and one Sn(7) atom. The Na(7)-Na(17) bond length is 3.67 Å. The Na(7)-Zn(1) bond length is 3.23 Å. The Na(7)-Sn(1) bond length is 3.47 Å. The Na(7)-Sn(6) bond length is 3.49 Å. The Na(7)-Sn(7) bond length is 3.33 Å. In the eighth Na site, Na(8) is bonded in a 4-coordinate geometry to one Na(17), one Zn(2), one Sn(2), one Sn(5), and one Sn(8) atom. The Na(8)-Na(17) bond length is 3.71 Å. The Na(8)-Zn(2) bond length is 3.21 Å. The Na(8)-Sn(2) bond length is 3.53 Å. The Na(8)-Sn(5) bond length is 3.49 Å. The Na(8)-Sn(8) bond length is 3.33 Å. In the ninth Na site, Na(9) is bonded in a 4-coordinate geometry to one Na(17), one Zn(4), one Sn(3), one Sn(5), and one Sn(8) atom. The Na(9)-Na(17) bond length is 3.84 Å. The Na(9)-Zn(4) bond length is 3.11 Å. The Na(9)-Sn(3) bond length is 3.34 Å. The Na(9)-Sn(5) bond length is 3.29 Å. The Na(9)-Sn(8) bond length is 3.42 Å. In the tenth Na site, Na(10) is bonded in a 4-coordinate geometry to one Zn(3), one Sn(4), one Sn(6), and one Sn(7) atom. The Na(10)-Zn(3) bond length is 3.13 Å. The Na(10)-Sn(4) bond length is 3.36 Å. The Na(10)-Sn(6) bond length is 3.31 Å. The Na(10)-Sn(7) bond length is 3.41 Å. In the eleventh Na site, Na(11) is bonded in a 4-coordinate geometry to one Zn(2), one Sn(1), one Sn(6), and one Sn(7) atom. The Na(11)-Zn(2) bond length is 3.12 Å. The Na(11)-Sn(1) bond length is 3.34 Å. The Na(11)-Sn(6) bond length is 3.43 Å. The Na(11)-Sn(7) bond length is 3.30 Å. In the twelfth Na site, Na(12) is bonded in a 4-coordinate geometry to one Zn(1), one Sn(2), one Sn(5), and one Sn(8) atom. The Na(12)-Zn(1) bond length is 3.13 Å. The Na(12)-Sn(2) bond length is 3.32 Å. The Na(12)-Sn(5) bond length is 3.42 Å. The Na(12)-Sn(8) bond length is 3.30 Å. In the thirteenth Na site, Na(13) is bonded in a 3-coordinate geometry to one Na(17), one Sn(1), one Sn(2), and one Sn(5) atom. The Na(13)-Na(17) bond length is 3.60 Å. The Na(13)-Sn(1) bond length is 3.38 Å. The Na(13)-Sn(2) bond length is 3.33 Å. The Na(13)-Sn(5) bond length is 3.39 Å. In the fourteenth Na site, Na(14) is bonded in a 3-coordinate geometry to one Sn(1), one Sn(2), and one Sn(6) atom. The Na(14)-Sn(1) bond length is 3.34 Å. The Na(14)-Sn(2) bond length is 3.40 Å. The Na(14)-Sn(6) bond length is 3.44 Å. In the fifteenth Na site, Na(15) is bonded in a 3-coordinate geometry to one Sn(3), one Sn(4), and one Sn(7) atom. The Na(15)-Sn(3) bond length is 3.41 Å. The Na(15)-Sn(4) bond length is 3.29 Å. The Na(15)-Sn(7) bond length is 3.42 Å. In the sixteenth Na site, Na(16) is bonded in a 3-coordinate geometry to one Sn(3), one Sn(4), and one Sn(8) atom. The Na(16)-Sn(3) bond length is 3.31 Å. The Na(16)-Sn(4) bond length is 3.43 Å. The Na(16)-Sn(8) bond length is 3.40 Å. In the seventeenth Na site, Na(17) is bonded in a 12-coordinate geometry to one K(1), one K(2), one Na(13), one Na(4), one Na(6), one Na(7), one Na(8), one Na(9), one Sn(1), one Sn(4), one Sn(5), and one Sn(6) atom. The Na(17)-Sn(1) bond length is 3.71 Å. The Na(17)-Sn(4) bond length is 3.58 Å. The Na(17)-Sn(5) bond length is 3.63 Å. The Na(17)-Sn(6) bond length is 3.86 Å. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to one K(2), one Na(12), one Na(2), one Na(7), one Sn(1), and one Sn(5) atom. The Zn(1)-Sn(1) bond length is 2.60 Å. The Zn(1)-Sn(5) bond length is 2.63 Å. In the second Zn site, Zn(2) is bonded in a 6-coordinate geometry to one K(1), one Na(1), one Na(11), one Na(8), one Sn(2), and one Sn(6) atom. The Zn(2)-Sn(2) bond length is 2.59 Å. The Zn(2)-Sn(6) bond length is 2.61 Å. In the third Zn site, Zn(3) is bonded in a 6-coordinate geometry to one K(4), one Na(10), one Na(4), one Na(5), one Sn(3), and one Sn(7) atom. The Zn(3)-Sn(3) bond length is 2.59 Å. The Zn(3)-Sn(7) bond length is 2.61 Å. In the fourth Zn site, Zn(4) is bonded in a 6-coordinate geometry to one K(3), one Na(3), one Na(6), one Na(9), one Sn(4), and one Sn(8) atom. The Zn(4)-Sn(4) bond length is 2.59 Å. The Zn(4)-Sn(8) bond length is 2.62 Å. There are eight inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 10-coordinate geometry to one K(3), one K(7), one Na(1), one Na(11), one Na(13), one Na(14), one Na(17), one Na(4), one Na(7), and one Zn(1) atom. In the second Sn site, Sn(2) is bonded in a 10-coordinate geometry to one K(4), one K(5), one K(6), one Na(12), one Na(13), one Na(14), one Na(2), one Na(3), one Na(8), and one Zn(2) atom. In the third Sn site, Sn(3) is bonded in a 10-coordinate geometry to one K(1), one K(5), one K(6), one Na(15), one Na(16), one Na(2), one Na(3), one Na(5), one Na(9), and one Zn(3) atom. In the fourth Sn site, Sn(4) is bonded in a 10-coordinate geometry to one K(2), one K(7), one Na(1), one Na(10), one Na(15), one Na(16), one Na(17), one Na(4), one Na(6), and one Zn(4) atom. In the fifth Sn site, Sn(5) is bonded in a 10-coordinate geometry to one K(1), one K(3), one K(5), one Na(12), one Na(13), one Na(17), one Na(5), one Na(8), one Na(9), and one Zn(1) atom. In the sixth Sn site, Sn(6) is bonded in a 8-coordinate geometry to one K(2), one K(5), one Na(10), one Na(11), one Na(14), one Na(17), one Na(6), one Na(7), and one Zn(2) atom. In the seventh Sn site, Sn(7) is bonded in a 12-coordinate geometry to one K(1), one K(3), one K(4), one K(6), one K(7), one Na(10), one Na(11), one Na(15), one Na(4), one Na(6), one Na(7), and one Zn(3) atom. In the eighth Sn site, Sn(8) is bonded in a 12-coordinate geometry to one K(2), one K(3), one K(4), one K(6), one K(7), one Na(12), one Na(16), one Na(3), one Na(5), one Na(8), one Na(9), and one Zn(4) atom.