Self-organized calix[4]arenes on Au (110) - (1×2): A combined low-energy electron diffraction and scanning tunneling microscopy experimental study with molecular mechanics calculations

Véronique Abad Langlais, Yves Gauthier, Hafid Belkhir, Olivier Maresca

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    10 Citations (Scopus)

    Abstract

    We report on self-assembly of calix[4]arenes deposited on Au (110) - (1×2). The molecules consist of a macrocycle with four phenol rings linked by methylene groups in the ortho-position. The scanning tunneling microscopy images together with the low-energy electron diffraction patterns allow us to identify the molecular conformer and the unit cell. The intermolecular interactions are rather weak and are governed by π stacking and van der Waals-type interactions as deduced from molecular mechanics calculations. The two-dimensional molecular self-ordering is due to a strong interaction with the gold substrate resulting in the replacement of the initial (1×2) missing row reconstruction by a (1×3) structure upon molecular adsorption. © 2005 The American Physical Society.
    Original languageEnglish
    Article number085444
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume72
    Issue number8
    DOIs
    Publication statusPublished - 15 Aug 2005

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