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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.25175
|2 doi
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|a pubmed24n0935.xml
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|a (NLM)29399814
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a de Lange, Jurgens H
|e verfasserin
|4 aut
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| 245 |
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|a FALDI-based decomposition of an atomic interaction line leads to 3D representation of the multicenter nature of interactions
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 Wiley Periodicals, Inc.
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|a Atomic interaction lines (AILs) and the QTAIM's molecular graphs provide a predominantly two-center viewpoint of interatomic interactions. While such a bicentric interpretation is sufficient for most covalent bonds, it fails to adequately describe both formal multicenter bonds as well as many non-covalent interactions with some multicenter character. We present an extension to our Fragment, Atomic, Localized, Delocalized and Interatomic (FALDI) electron density (ED) decomposition scheme, with which we can measure how any atom-pair's delocalized density concentrates, depletes or reduces the electron density in the vicinity of a bond critical point. We apply our method on five classical bonds/interactions, ranging from formal either two- or three-center bonds, a non-covalent interaction (an intramolecular hydrogen bond) to organometallic bonds with partial multicenter character. By use of 3D representation of specific atom-pairs contributions to the delocalized density we (i) fully recover previous notion of multicenter bonding in diborane and predominant bicentric character of a single covalent CC bond, (ii) reveal a multicenter character of an intramolecular H-bond and (iii) illustrate, relative to a Schrock carbene, a larger degree of multicenter MC interaction in a Fischer carbene (due to a presence of a heteroatom), whilst revealing the holistic nature of AILs from multicenter ED decomposition. © 2018 Wiley Periodicals, Inc
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|a Journal Article
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|a FALDI
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|a atomic interaction line
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|a computational chemistry
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| 650 |
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|a electron density decomposition
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| 650 |
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|a multicenter interaction
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|a van Niekerk, Daniel M E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cukrowski, Ignacy
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 39(2018), 16 vom: 15. Juni, Seite 973-985
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2018
|g number:16
|g day:15
|g month:06
|g pages:973-985
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| 856 |
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|u http://dx.doi.org/10.1002/jcc.25175
|3 Volltext
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