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Studies on subtle spacer ligand effects of AgCF 3 SO 3 with 3,3'-Py 2 X (X = O vs S) have been carried out. The reaction of AgCF 3 SO 3 with 3,3'-Py 2 O and 3,3'-Py 2 S produces [Ag(CF 3 SO 3 )(3,3'-Py 2 O)] and [Ag(3,3'-Py 2 S)] (CF 3 SO 3 ), respectively. Crystallographic characterization of [Ag(CF 3 SO 3 )(3,3'-Py 2 O)] (monoclinic P1, a = 8.405(2) A, b = 10.714(2) A, c = 18.031(2) A, α = 77.36(2), β = 107.83(2)°, γ = 66.92(2), V = 1438.0(5) A 3 , Z = 2, R = 0.0486) reveals that the skeletal structure is an anion-bridged double-strand. The double-strands are packed like a plywood. The framework of [Ag(3,3'-Py 2 S)](CF 3 SO 3 ) (orthorhombic Pcab, a = 17.330(2) A, b = 8.640(1) A, c = 19.933(6) A, V = 2985(1) A 3 , Z= 8, R = 0.0437) is a sinusoidal single-strand. The formation of each coordination polymer appears to be primarily associated with the donating ability and the conformational energy barrier of the spacer ligands. Thermal analyses indicate that [Ag(CF 3 SO 3 )(3,3'-Py 2 O)] and [Ag(3,3'-Py 2 S)](CF 3 SO 3 ) are stable up to 250 °C and 210 °C, respectively. For the anion exchangeability, the nature of the spacer ligand is more significant factor than the distance of silver(I)...triflate.

Molecular Strands and Related Properties of Silver(Ⅰ) Triflate with 3,3'-Oxybispyridine vs 3,3'-Thiobispyridine