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A two-dimensional crystal formed by pentamers on Au(111)

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Abstract

A new type of two-dimensional crystal comprising supramolecular pentamers on Au(111) is studied using an ultra-high vacuum low-temperature scanning tunnelling microscope. (2E,4E)-3-Methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dienoic acid molecules form pentamers through five-fold O⋯H–O hydrogen bonds. In ordered arrays, pentamers interact with each other via van der Waals interactions. The impacts of different annealing temperatures and substrates on the formation of pentamer patterns are systemically investigated.

Graphical abstract: A two-dimensional crystal formed by pentamers on Au(111)

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Publication details

The article was received on 27 Feb 2019, accepted on 04 Apr 2019 and first published on 04 Apr 2019


Article type: Communication
DOI: 10.1039/C9CC01658A
Citation: Chem. Commun., 2019, Advance Article

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    A two-dimensional crystal formed by pentamers on Au(111)

    C. Yuan, N. Xue, X. Zhang, Y. Zhang, N. Li, Q. Xue, T. Wu, S. Hou and Y. Wang, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC01658A

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