Conglomerate Aggregation of 7,12,17-Trioxa[11]helicene into Homochiral Two-Dimensional Crystals on the Cu(100) Surface
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15640%2F22%3A73618787" target="_blank" >RIV/61989592:15640/22:73618787 - isvavai.cz</a>
Result on the web
<a href="https://onlinelibrary.wiley.com/doi/10.1002/hlca.202200114" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/hlca.202200114</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/hlca.202200114" target="_blank" >10.1002/hlca.202200114</a>
Alternative languages
Result language
angličtina
Original language name
Conglomerate Aggregation of 7,12,17-Trioxa[11]helicene into Homochiral Two-Dimensional Crystals on the Cu(100) Surface
Original language description
Despite the vast development of stereochemistry it remains a great challenge to predict the fate of homochiral or heterochiral recognition in crystallization from racemic solution or melt. Using the well-defined model system of racemic trioxaundecahelicene on a Cu(100) surface in ultrahigh vacuum, the chiral recognition of this heterohelicene has been investigated by means of state-of-the-art scanning probe microscopy. The combination of scanning tunneling microscopy and tuning fork-based non-contact atomic force microscopy allowed assignment of the absolute configuration of single 7,12,17-trioxa[11]helicene molecules in their two-dimensional assemblies. At very low coverages, homochiral van der Waals-bonded tetramers are observed. These also constitute the building blocks of the completely filled monolayer, which is a 2D conglomerate of homochiral domains. The interpretation of the adsorption geometries was supported by density-functional theory calculations and molecular dynamics simulations, predicting a stronger interaction energy for homochiral structures over the heterochiral assembly. The striking similarity to heptahelicene on the same surface suggests that chiral recognition is dominated by the footprint interaction of the molecules with the metallic substrate
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
21002 - Nano-processes (applications on nano-scale); (biomaterials to be 2.9)
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
HELVETICA CHIMICA ACTA
ISSN
0018-019X
e-ISSN
1522-2675
Volume of the periodical
105
Issue of the periodical within the volume
12
Country of publishing house
CH - SWITZERLAND
Number of pages
8
Pages from-to
"nečíslováno"
UT code for WoS article
000888534100001
EID of the result in the Scopus database
2-s2.0-85142370029