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Chalcogen Atom Size Dictates Stability of Benzene-1,3,5-triamide Polymers: Overlooked Role of Geometrical Fit for Enhanced Hydrogen Bonding

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Our quantum chemical analyses elucidated how the replacement of O in the amide bonds of benzene-1,3-5-tricarboxamides (OBTAs) with the larger chalcogens S and Se enhances the intermolecular interactions and thereby the stability of the obtained hydrogen-bonded supramolecular polymers due to two unexpected reasons: i) the SBTA and SeBTA monomers have a better geometry for self-assembly and ii) induce stronger covalent (hydrogen-bond) interactions besides enhanced dispersion interactions. In addition, it is shown that the cooperativity in benzene-1,3,5-triamide (BTA) self-assembly is caused by charge separation in the σ-electronic system following the covalency in the hydrogen bonds.

Original languageEnglish
Article numbere202300850
Number of pages7
JournalChemistry - A European Journal
Volume29
Issue number34
Early online date28 Mar 2023
DOIs
Publication statusPublished - 19 Jun 2023

Bibliographical note

Funding Information:
The authors thank Mees Kuipers for exploring the viability of this project and the Netherlands Organization for Scientific Research (NWO) for financial support. This work was carried out on the Dutch national e‐infrastructure with the support of SURF Cooperative.

Publisher Copyright:
© 2023 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH.

Funding

The authors thank Mees Kuipers for exploring the viability of this project and the Netherlands Organization for Scientific Research (NWO) for financial support. This work was carried out on the Dutch national e‐infrastructure with the support of SURF Cooperative. The authors thank Mees Kuipers for exploring the viability of this project and the Netherlands Organization for Scientific Research (NWO) for financial support. This work was carried out on the Dutch national e-infrastructure with the support of SURF Cooperative.

Funders
SURF Cooperative
Nederlandse Organisatie voor Wetenschappelijk Onderzoek

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 6 - Clean Water and Sanitation
      SDG 6 Clean Water and Sanitation

    Keywords

    • amides
    • chalcogens
    • chemical bonding
    • hydrogen bonding
    • supramolecular polymers

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