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Bonding in Low-Coordinated Organoarsenic and Organoantimony Compounds: A Threshold Photoelectron Spectroscopic Investigation

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ASMe_SbMe.pdf (2.03 MB)

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2023-07-10

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Philipps-Universität Marburg
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This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively
Methyl and methylene compounds of arsenic and antimony have been studied by photoelectron photoion coincidence spectroscopy to investigate their relative stability. While for As both HAs=CH2, As−CH3 and the methylene compound As=CH2 are identified in the spectrum, the only Sb compound observed is Sb−CH3. Thus, there is a step in the main group 15 between As and Sb, regarding the relative stability of the methyl compounds. Ionisation energies, vibrational frequencies and spin-orbit splittings were determined for the methyl compound from photoion mass-selected photoelectron spectra. Although the spectroscopic results for organoantimony resemble those for the previously investigated bismuth compounds, EPR spectroscopic experiments indicate a far lower tendency for methyl transfer for Sb(CH3)3 compared to Bi(CH3)3. This study concludes investigations on low-valent organopnictogen compounds.

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Dates
Created: 2023Issued: 2023-07-10Updated: 2023-07-11
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Is part of: es/2024/0401
DOI
https://doi.org/10.1002/chem.202300637
Faculty
Fachbereich Chemie
Publisher
Philipps-Universität Marburg
Language
eng
Data types
Article
DDC-Numbers
540
License
https://creativecommons.org/licenses/by-nc-nd/4.0/
URI
https://open.uni-marburg.de/handle/10.17192/es.2023.0070
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Karaev, Emil; Gerlach, Marius; Faschingbauer, Lukas; Ramler, Jacqueline; Krummenacher, Ivo; Lichtenberg, Crispin (0000-0002-0176-0939); Hemberger, Patrick; Fischer, Ingo: Bonding in Low-Coordinated Organoarsenic and Organoantimony Compounds: A Threshold Photoelectron Spectroscopic Investigation. In: , Jg. (2023-07-10), . DOI: https://doi.org/10.1002/chem.202300637.

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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 - CC BY NC ND
Except where otherwised noted, this item's license is described as Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 - CC BY NC ND