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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00918
|2 doi
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|a pubmed24n1199.xml
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|a (DE-627)NLM359738931
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|a (NLM)37473457
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Lulu
|e verfasserin
|4 aut
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| 245 |
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|a Dispersion-Corrected DFT-D4 Study of the Adsorption of Halobenzenes and 1,3,5-Trihalobenzenes on the Cu(111) Surface─Effect of Sigma Hole Properties
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|c 2023
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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 31.07.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Halogen bonds, characterized by directionality, tunability, hydrophobicity, and variable sizes, are ideal noncovalent interactions to design and control the formation of self-assembled nanostructures. The specific self-assembly cases formed by the halogen-bonding interaction have been well studied by scanning tunneling microscopy (STM) experiments and density functional theory (DFT) calculations. However, there is a lack of systematic theoretical adsorption studies on halogenated molecules. In this work, the adsorption of halobenzenes and 1,3,5-trihalobenzenes on the Cu(111) surface was examined by dispersion-corrected DFT methods. The adsorption geometries, noncovalent molecule-surface interactions, electronic densities, and electrostatic potential maps were examined for their most stable adsorption sites using the DFT-D4 method. Our calculations revealed that the iodo compounds favor a different adsorption geometry from aryl chlorides and bromides. Down the halogen group (Cl to I), the adsorption energy increases and the distance between the halogen atom and Cu surface decreases, which indicates stronger molecule-surface interactions. This is supported by the changes in the density of states upon adsorption. Noncovalent interaction analysis was also employed to further understand the nature and relative strength of the molecule-surface interactions. Electrostatic potential maps revealed that the positive character of the halogen sigma hole becomes stronger upon adsorption. Thus, surface adsorption of the halogenated molecule will enhance the formation of intermolecular halogen bonds. The present theoretical findings are expected to contribute toward a more comprehensive understanding of halogen bonding on the Cu(111) surface
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|a Journal Article
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1 |
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|a Tan, Jun Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yingqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Meng-Fu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wong, Ming Wah
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 30 vom: 01. Aug., Seite 10485-10494
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:30
|g day:01
|g month:08
|g pages:10485-10494
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00918
|3 Volltext
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