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Jan Bohnenberger

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Doktorand - PhD-Student

Room 329 (Chemie I; AC)

Telephone: +49 (0) 761 203-6157

e-Mail: jan.bohnenberger@ac.uni-freiburg.de

 

Keywords: Iron carbonyl complexes, weakly coordinating anions

 

 

Research topics

 

Introduction & Motivation

The synthesis and stabilization of reactive cations with the help of weakly coordinating anions has been in the focus of our research for a long time. We draw our inspirations from the gas phase since only there, truly naked ions can exist. In the condensed phase, ligands, counter ions and solvents are required.
In order to achieve ‘Pseudo gas-phase conditions’, weakly bound systems are necessary. To be precise, this means little to non-coordinating anions, weakly coordinating yet polar solvents as well as weakly bound ligands, such as gas molecules (CO, NO, N2) or electron poor arenes.
 
Our Research
Over the course of my PhD, we were able to discover two previously unknown substance classes: homoleptic carbonyl radical cations and homoleptic nitrosyl cations. We were also able to widely expand the library of heteroleptic carbonyl/nitrosyl cations, as only one example was known to literature to date.
References
 
  • Stable salts of the hexacarbonyl chromium(I) cation and its pentacarbonyl-nitrosyl chromium(I) analogue”, J. Bohnenberger, W. Feuerstein, D. Himmel, M. Daub, F. Breher and I. Krossing, Nat. Commun. 2019, 10, 624.
  •  Going Homoleptic: Synthesis and Full Characterization of Stable Manganese Tetranitrosyl Cation Salts”, J. Bohnenberger, B. Derstine, M. Daub, and I. Krossing,Angew. Chem. Int. Ed. 2019, 58, 9586–9589.
  • Synthesis and full Characterization of Homoleptic and Heteroleptic Carbonyl and Nitrosyl Complexes of the Group VI Metals”, J. Bohnenberger, M. Schmitt, W. Feuerstein, P. J. Malinowski, F. Breher and I. Krossing, manuscript in preparation.
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