Issue 38, 2019

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

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)

Article information

Article type
Communication
Submitted
27 Feb 2019
Accepted
04 Apr 2019
First published
04 Apr 2019

Chem. Commun., 2019,55, 5427-5430

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, 55, 5427 DOI: 10.1039/C9CC01658A

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