N 2 Binding to the FeMo‐Cofactor of Nitrogenase

Nitrogenase converts gaseous dinitrogen into biologically accessible ammonia. The binding of N 2 to a reduced and protonated form of the FeMo‐cofactor of nitrogenase including its central carbon ligand was investigated by means of density functional calculations. It was found the central ligand to s...

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Veröffentlicht in:Zeitschrift für anorganische und allgemeine Chemie (1950) Jg. 641; H. 1; S. 118 - 122
Hauptverfasser: Hallmen, Philipp P., Kästner, Johannes
Format: Journal Article
Sprache:Englisch
Veröffentlicht: 01.01.2015
ISSN:0044-2313, 1521-3749
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Zusammenfassung:Nitrogenase converts gaseous dinitrogen into biologically accessible ammonia. The binding of N 2 to a reduced and protonated form of the FeMo‐cofactor of nitrogenase including its central carbon ligand was investigated by means of density functional calculations. It was found the central ligand to stabilize the cluster. N 2 can associate to iron or molybdenum with iron being the preferred binding site. While endo and exo binding modes were investigated the exo modes are more stable. Implications on the mechanism of N 2 reduction are discussed.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.201400114