Matere bond identification in non-crystalline materials by using X-ray photoelectron spectroscopy

The Re atoms in perrhenate salts can act as electrophiles and form, with nucleophiles, adducts assembled <i>via</i> Re⋯O interactions. X-ray photoelectron spectroscopy (XPS) is proven here as a reliable technique to identify the presence of such interactions (commonly named matere bonds, MaBs) in powders. Specifically, ten hybrid organic-inorganic perrhenate salts are described and their single crystal X-ray (XRD) analyses allowed for establishing that short σ-hole Re⋯O MaBs were present in seven of them. The Re 4f<sub>7/2</sub> photoelectron energy is smaller in these systems than in those wherein the interaction is absent. This signal is thus a valuable tool to identify the MaB presence in non-crystalline samples, namely XPS complements single crystal X-ray analyses in determining the MaB presence.

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Publication Details

Journal
Chemical Science
Published
2025-01-01
DOI
https://doi.org/10.1039/d5sc04587h
Citations
2
Primary Topic
Electron and X-Ray Spectroscopy Techniques
Type
article
Field-Weighted Citation Impact
1.32

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Matere bond identification in non-crystalline materials by using X-ray photoelectron spectroscopy

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Matere bond identification in non-crystalline materials by using X-ray photoelectron spectroscopy

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article en
2 citations

Abstract

The Re atoms in perrhenate salts can act as electrophiles and form, with nucleophiles, adducts assembled <i>via</i> Re⋯O interactions. X-ray photoelectron spectroscopy (XPS) is proven here as a reliable technique to identify the presence of such interactions (commonly named matere bonds, MaBs) in powders. Specifically, ten hybrid organic-inorganic perrhenate salts are described and their single crystal X-ray (XRD) analyses allowed for establishing that short σ-hole Re⋯O MaBs were present in seven of them. The Re 4f<sub>7/2</sub> photoelectron energy is smaller in these systems than in those wherein the interaction is absent. This signal is thus a valuable tool to identify the MaB presence in non-crystalline samples, namely XPS complements single crystal X-ray analyses in determining the MaB presence.

Chemical ScienceVol. 16(40)
Demos (US), TU Wien (AT), National Research Tomsk State University (RU), Tomsk Polytechnic University (RU), Universitat de les Illes Balears (ES), Politecnico di Milano (IT)
Ministerio de Ciencia, Innovación y Universidades, Grantová Agentura České Republiky, Megagrants, Ministry of Science and Higher Education of the Russian Federation, Agencia Estatal de Investigación
Openalex Percentile: Top 18%
Electron and X-Ray Spectroscopy Techniques
1.32
DOIOpen Access PDFOpenAlex
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