Probing covalency in halogen bonds through donor K-edge X-ray absorption spectroscopy: polyhalides as coordination complexes. Mustoe, C., L., Gunabalasingam, M., Yu, D., Patrick, B., O., & Kennepohl, P. Faraday Discuss., 203:79-91, Royal Society of Chemistry, 2017. Paper Website doi abstract bibtex 1 download The properties of halogen bonds (XBs) in solid-state I 2 X − and I 4 X − materials (where X = Cl, Br) are explored using donor K-edge X-ray absorption spectroscopy (XAS) to experimentally determine the degree of charge transfer in such XB interactions. The degree of covalency in these bonds is substantial, even in cases where significantly weaker secondary interactions are observed. These data, in concert with previous work in this area, suggests that certain halogen bonds have covalent contributions to bonding that are similar to, and even exceed, those observed in transition metal coordinate bonds. For this reason, we suggest that XB interactions of this type be denoted in a similar way to coordination bonds (X → Y) as opposed to using a representation that is the same as for significantly less covalent hydrogen bonds (X⋯Y).
@article{
title = {Probing covalency in halogen bonds through donor K-edge X-ray absorption spectroscopy: polyhalides as coordination complexes},
type = {article},
year = {2017},
keywords = {Computational,SSRL,X-ray Absorption Spectroscopy},
pages = {79-91},
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abstract = {The properties of halogen bonds (XBs) in solid-state I 2 X − and I 4 X − materials (where X = Cl, Br) are explored using donor K-edge X-ray absorption spectroscopy (XAS) to experimentally determine the degree of charge transfer in such XB interactions. The degree of covalency in these bonds is substantial, even in cases where significantly weaker secondary interactions are observed. These data, in concert with previous work in this area, suggests that certain halogen bonds have covalent contributions to bonding that are similar to, and even exceed, those observed in transition metal coordinate bonds. For this reason, we suggest that XB interactions of this type be denoted in a similar way to coordination bonds (X → Y) as opposed to using a representation that is the same as for significantly less covalent hydrogen bonds (X⋯Y).},
bibtype = {article},
author = {Mustoe, Chantal L and Gunabalasingam, Mathusan and Yu, Darren and Patrick, Brian O. and Kennepohl, Pierre},
doi = {10.1039/C7FD00076F},
journal = {Faraday Discuss.}
}
Downloads: 1
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