卤键非共价加合物中意想不到的趋势。
Unexpected trends in halogen-bond based noncovalent adducts.
机构信息
Department Chemie, Technische Universität München, Lichtenbergstraße 4, D-85747 Garching, Germany.
出版信息
Chem Commun (Camb). 2012 Aug 11;48(62):7708-10. doi: 10.1039/c2cc33304j. Epub 2012 Jun 29.
PMID:22745936
Abstract
Unexpected trends in the strengths of halogen-bond based adducts of CY(3)I (Y = F, Cl, Br, I) with two typical Lewis bases (chloride and trimethylamine) show that the halogen-bond donor strength (Lewis acidity) of a compound R-X is not necessarily increased with higher electronegativity of the (carbon-based) group R.
摘要
CY(3)I（Y=F、Cl、Br、I）与两种典型路易斯碱（氯化物和三甲胺）形成的卤键加合物的强度出现了出人意料的趋势，这表明化合物 R-X 的卤键供体强度（路易斯酸度）不一定随 R 基团（基于碳的）的电负性增加而增强。
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