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Halogen bonding in hypervalent iodine and bromine derivatives: halonium salts

机译:高价碘和溴衍生物中的卤素键:ha盐

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Halogen bonds have been identified in a series of ionic compounds involving bromonium and iodonium cations and several different anions, some also containing hypervalent atoms. The hypervalent bromine and iodine atoms in the examined compounds are found to have positive σ-holes on the extensions of their covalent bonds, while the hypervalent atoms in the anions have negative σ-holes. The positive σ-holes on the halogens of the studied halonium salts determine the linearity of the short contacts between the halogen and neutral or anionic electron donors, as usual in halogen bonds.
机译:已在一系列涉及溴和碘鎓阳离子以及几种不同阴离子的离子化合物中鉴定出卤素键,其中一些还含有高价原子。发现所检查化合物中的高价溴和碘原子在其共价键的延伸部分具有正σ孔,而阴离子中的高价原子具有负σ孔。所研究的salts盐的卤素上的正σ孔决定了卤素与中性或阴离子电子给体之间的短接触的线性,通常在卤素键中。

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