Imaging Dihydrogen Bond-Driven Assembly of Borazine on Au(111).

Matthias Zeilerbauer, Marco Thaler, Barbara Obwaller, Milan Ončák, Laerte L Patera

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Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Imaging Dihydrogen Bond-Driven Assembly of Borazine on Au(111).Chemistry (Weinheim an der Bergstrasse, Germany) · 2025
Article

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5 · Who and what money

Authors and funding

5 authors.

Matthias ZeilerbauerDepartment of Physical Chemistry, University of Innsbruck, 6020, Innsbruck, Austria.

Marco ThalerDepartment of Physical Chemistry, University of Innsbruck, 6020, Innsbruck, Austria.

Barbara ObwallerDepartment of Ion Physics and Applied Physics, University of Innsbruck, 6020, Innsbruck, Austria.

Milan OnčákDepartment of Ion Physics and Applied Physics, University of Innsbruck, 6020, Innsbruck, Austria.

Laerte L PateraDepartment of Physical Chemistry, University of Innsbruck, 6020, Innsbruck, Austria.ORCID https://orcid.org/0000-0002-6214-5681

Funding

European Research Council 101039746

6 · The paper itself

Abstract

Dihydrogen bonding (DHB) is a peculiar type of attractive interaction occurring between a partially positively charged hydrogen atom and a partially negatively charged hydrogen atom. Borazine represents a prototypical molecule exhibiting dihydrogen bonding in both gas phase, as well as in its crystalline form. For borazine assemblies on solid surfaces, a direct observation and characterization of dihydrogen bonding has remained elusive, possibly due to an intricate interplay of substrate-molecule and intermolecular interactions. Here we present evidence of dihydrogen bonding occurring in borazine assemblies on a Au(111) surface. By means of low-temperature scanning tunneling microscopy, we unveiled distinct configurations, exhibiting single and double dihydrogen bonding. Density functional theory calculations elucidate the interplay between substrate adsorption and intermolecular interactions to stabilize the formation of borazine dimers on Au(111). The dimers constitute the building blocks for the formation of larger assemblies.

Indexed as

BorazineDensity functional theoryDihydrogen bondingMolecular assemblyScanning tunnelling microscopy

Identifiers

PMID39601546

DOI10.1002/chem.202403996

PMCPMC11753383

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