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Article: Building 2D crystals from 5-Fold-Symmetric molecules

TitleBuilding 2D crystals from 5-Fold-Symmetric molecules
Authors
Issue Date2009
Citation
Journal of the American Chemical Society, 2009, v. 131, n. 10, p. 3460-3461 How to Cite?
AbstractConcepts of close packing in monolayers of 5-fold-symmetric buckybowls are discussed. When the symmetry of lattice and molecular building blocks are incompatible, new strategies evolve. Corannulene forms a hexagonal lattice on Cu(111) by tilting away from the C5 symmetry and aligning one hexagonal ring parallel to the surface. The chiral 5-fold-substituted chloro and methyl derivatives do not show this tilt and maintain the 5-fold symmetry as adsorbates. Consequently, a nonperfect tiling is observed. Their lattices are quasi-hexagonal: one in an antiparallel fashion with almost pm symmetry and the other with azimuthal and positional disorder on the hexagonal grid. Our results are in remarkable agreement with computational and mechanical modeling experiments of close packing of hard pentagonal discs in macroscopic two-dimensional systems and prove the validity of such modeling strategies. Copyright © 2009 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/341112
ISSN
2023 Impact Factor: 14.4
2023 SCImago Journal Rankings: 5.489
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorBauert, Tobias-
dc.contributor.authorMerz, Leo-
dc.contributor.authorBandera, Davide-
dc.contributor.authorParschau, Manfred-
dc.contributor.authorSiegel, Jay S.-
dc.contributor.authorErnst, Karl Heinz-
dc.date.accessioned2024-03-13T08:40:15Z-
dc.date.available2024-03-13T08:40:15Z-
dc.date.issued2009-
dc.identifier.citationJournal of the American Chemical Society, 2009, v. 131, n. 10, p. 3460-3461-
dc.identifier.issn0002-7863-
dc.identifier.urihttp://hdl.handle.net/10722/341112-
dc.description.abstractConcepts of close packing in monolayers of 5-fold-symmetric buckybowls are discussed. When the symmetry of lattice and molecular building blocks are incompatible, new strategies evolve. Corannulene forms a hexagonal lattice on Cu(111) by tilting away from the C5 symmetry and aligning one hexagonal ring parallel to the surface. The chiral 5-fold-substituted chloro and methyl derivatives do not show this tilt and maintain the 5-fold symmetry as adsorbates. Consequently, a nonperfect tiling is observed. Their lattices are quasi-hexagonal: one in an antiparallel fashion with almost pm symmetry and the other with azimuthal and positional disorder on the hexagonal grid. Our results are in remarkable agreement with computational and mechanical modeling experiments of close packing of hard pentagonal discs in macroscopic two-dimensional systems and prove the validity of such modeling strategies. Copyright © 2009 American Chemical Society.-
dc.languageeng-
dc.relation.ispartofJournal of the American Chemical Society-
dc.titleBuilding 2D crystals from 5-Fold-Symmetric molecules-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/ja8101083-
dc.identifier.scopuseid_2-s2.0-67749129326-
dc.identifier.volume131-
dc.identifier.issue10-
dc.identifier.spage3460-
dc.identifier.epage3461-
dc.identifier.isiWOS:000264792600026-

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