Experimental investigation of halogen-bond hard-soft acid-base complementarity.


The halogen bond (XB) is a topical noncovalent interaction of rapidly increasing importance. The XB employs a `soft' donor atom in comparison to the `hard' proton of the hydrogen bond (HB). This difference has led to the hypothesis that XBs can form more favorable interactions with `soft' bases than HBs. While computational studies have supported this… (More)
DOI: 10.1107/S2052520617001809

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