Stefan Mebs

Freie Universität Berlin

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Co-Authors

Jens Beckmann

University of Bremen

418

Enno Lork

University of Bremen

299

Emanuel Hupf

University of Bremen

216

Marian Olaru

University of Bremen

111

Daniel Duvinage

University of Bremen

S. Grabowsky

University of Bern

Michael Haumann

Freie Universität Berlin

Holger Dau

Freie Universität Berlin

Christian Limberg

Humboldt-Universität zu Berlin

Lorraine A. Malaspina

University of Bern

Cooperative Institutions

Freie Universität Berlin

Humboldt-Universität zu Berlin

University of Bremen

Technische Universität Berlin

Institute of Inorganic Chemistry of the Slovak Academy of Sciences

Centre National de la Recherche Scientifique

Uppsala University

Ruhr University Bochum

Robert Bosch (Germany)

Chinese Academy of Sciences

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CCDC 2127083: Experimental Crystal Structure Determination

The Cambridge Structural Database (2023)

Daniel Duvinage Marvin Janssen Enno Lork Hansjörg Grützmacher Stefan Mebs

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc29ddlq

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CCDC 923199: Experimental Crystal Structure Determination

The Cambridge Structural Database (2013)

David S. Warner Christian Limberg Stefan Mebs

10.5517/cczznm6

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Bridging Hydride at Reduced H-Cluster Species in [FeFe]-Hydrogenases Revealed by Infrared Spectroscopy, Isotope Editing, and Quantum Chemistry

Journal of the American Chemical Society (2017)

Stefan Mebs Moritz Senger Jifu Duan Florian Wittkamp Ulf‐Peter Apfel

[FeFe]-Hydrogenases contain a H2-converting cofactor (H-cluster) in which a canonical [4Fe-4S] cluster is linked to a unique diiron site with three carbon monoxide (CO) and two cyanide (CN-) ligands (e.g., in the oxidized state, Hox). There has been much debate whether reduction and hydrogen binding may result in alternative rotamer structures of the diiron site in a single (Hred) or double (Hsred) reduced H-cluster species. We employed infrared spectro-electrochemistry and site-selective isotope editing to monitor the CO/CN- stretching vibrations in [FeFe]-hydrogenase HYDA1 from Chlamydomonas reinhardtii. Density functional theory calculations yielded vibrational modes of the diatomic ligands for conceivable H-cluster structures. Correlation analysis of experimental and computational IR spectra has facilitated an assignment of Hred and Hsred to structures with a bridging hydride at the diiron site. Pronounced ligand rotation during μH binding seems to exclude Hred and Hsred as catalytic intermediates. Only states with a conservative H-cluster geometry featuring a μCO ligand are likely involved in rapid H2 turnover.

Hydrogenase

Kinetic isotope effect

Conformational isomerism

10.1021/jacs.7b07548

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Citations (60)

Titelbild: Schwere Carbenhomologe: donorfreie Bismutenium‐ und Stibenium‐Ionen (Angew. Chem. 32/2018)

Angewandte Chemie (2018)

Marian Olaru Daniel Duvinage Enno Lork Stefan Mebs Jens Beckmann

Die zweiwertigen Bismutenium- und Stibenium-Ionen [(2,6-Mes2C6H3)2E]+ (E=Bi, Sb) – kationische Carbenanaloga, die isoelektronisch zu Plumbylenen und Stannylenen sind – wurden von S. Mebs, J. Beckmann et al. in der Zuschrift auf S. 10237 synthetisiert. Das Bild zeigt die Bremer Stadtmusikanten, wie sie einen Blick auf ein solches Lewis-acides Kation werfen, das von zwei meta-Terphenyl-Substituenten abgeschirmt wird. Die zweiwertigen Bismutenium- und Stibenium-Ionen [(2,6-Mes2C6H3)2E]+ (E=Bi, Sb) – kationische Carbenanaloga, die isoelektronisch zu Plumbylenen und Stannylenen sind – wurden von S. Mebs, J. Beckmann et al. in der Zuschrift auf S. 10237 synthetisiert. Das Bild zeigt die Bremer Stadtmusikanten, wie sie einen Blick auf ein solches Lewis-acides Kation werfen, das von zwei meta-Terphenyl-Substituenten abgeschirmt wird. Oberflächenchemie Stereochemie Silber-Katalyse

10.1002/ange.201806819

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CCDC 2143921: Experimental Crystal Structure Determination

The Cambridge Structural Database (2023)

Pascal Komorr Marian Olaru Emanuel Hupf Stefan Mebs Jens Beckmann

10.5517/ccdc.csd.cc29yxry

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CCDC 2177924: Experimental Crystal Structure Determination

The Cambridge Structural Database (2023)

Daniel Duvinage Lorraine A. Malaspina S. Grabowsky Stefan Mebs Jens Beckmann

10.5517/ccdc.csd.cc2c39mf

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CCDC 2105259: Experimental Crystal Structure Determination

The Cambridge Structural Database (2022)

Daniel Duvinage Marvin Janssen Enno Lork Hansjörg Grützmacher Stefan Mebs

10.5517/ccdc.csd.cc28npl7

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CCDC 2105255: Experimental Crystal Structure Determination

The Cambridge Structural Database (2022)

Daniel Duvinage Marvin Janssen Enno Lork Hansjörg Grützmacher Stefan Mebs

10.5517/ccdc.csd.cc28npg3

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Cover Picture: Heavy Carbene Analogues: Donor‐Free Bismuthenium and Stibenium Ions (Angew. Chem. Int. Ed. 32/2018)

Angewandte Chemie International Edition (2018)

Marian Olaru Daniel Duvinage Enno Lork Stefan Mebs Jens Beckmann

The divalent bismuthenium and stibenium ions [(2,6-Mes2C6H3)2E]+ (E=Bi, Sb), cationic carbene analogues isoelectronic to plumbylenes and stannylenes, were synthesized as described by S. Mebs, J. Beckmann, and co-workers in their Communication on page 10080 ff. The picture shows the “Town Musicians of Bremen”, characters from a popular German fairytale, looking at the Lewis acidic cation, which is shielded by two meta-terphenyl substituents. The divalent bismuthenium and stibenium ions [(2,6-Mes2C6H3)2E]+ (E=Bi, Sb), cationic carbene analogues isoelectronic to plumbylenes and stannylenes, were synthesized as described by S. Mebs, J. Beckmann, and co-workers in their Communication on page 10080 ff. The picture shows the “Town Musicians of Bremen”, characters from a popular German fairytale, looking at the Lewis acidic cation, which is shielded by two meta-terphenyl substituents. Surface Chemistry Stereochemistry Silver Catalysis

Cationic polymerization

Divalent

Trifluoromethanesulfonate

10.1002/anie.201806819

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CCDC 1856314: Experimental Crystal Structure Determination

The Cambridge Structural Database (2019)

Michal Aman Libor Dostál Zdeňka Růžičková Stefan Mebs Jens Beckmann

10.5517/ccdc.csd.cc209n33

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