在联吡啶-水簇中沿短氢键水桥协同质子迁移。
Concerted proton migration along short hydrogen bonded water bridges in bipyridine-water clusters.
机构信息
Mass Spectrometry Laboratory and Centre of Theoretical and Computational Chemistry, Department of Chemistry, University of Oslo, POB 1033 Blindern, N-0315 Oslo, Norway.
出版信息
Phys Chem Chem Phys. 2012 Oct 28;14(40):13907-9. doi: 10.1039/c2cp42060k. Epub 2012 Sep 18.
The outcome of reactions between D(2)O and size-selected ionic clusters of the type MH(+)(H(2)O)(n) (M = bipyridine, n = 1-30) shows that H-D-exchange is significantly higher for 2,2'-bipyridines than for 4,4'-bipyridines. This gives strong support for the idea that the existence of short water wires between the two nitrogen sites is essential to proton migration in water clusters containing basic sites.
D(2)O 与 MH(+)(H(2)O)(n)（M = 联吡啶，n = 1-30）类型的尺寸选择离子簇之间的反应结果表明，H-D 交换对于 2,2'-联吡啶比对 4,4'-联吡啶要高得多。这有力地支持了这样一种观点，即在含有碱性位点的水簇中，两个氮位点之间存在短的水线对于质子迁移是至关重要的。
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