A dinitrogen complex without donor ligands: isolation and characterization of a (Mn(CO)5(η1-N2))+ salt
Dinitrogen complexes are intermediates in nitrogen fixation. Until now, all isolated molecular dinitrogen complexes have relied on ancillary ligands that are net electron donors, yielding N2 ligands carrying a clear negative partial charge. Here, we present the synthesis, isolation, and characteriza...
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| Hauptverfasser: | , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
September 13, 2025
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| In: |
Journal of the American Chemical Society
Year: 2025, Jahrgang: 147, Heft: 38, Pages: 35164-35171 |
| ISSN: | 1520-5126 |
| DOI: | 10.1021/jacs.5c13214 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1021/jacs.5c13214
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| Verfasserangaben: | Malte Sellin, James D. Watson, Julia Fischer, Manuel Schmitt, Graham E. Ball, Leslie D. Field, and Ingo Krossing |
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| 245 | 1 | 2 | |a A dinitrogen complex without donor ligands |b isolation and characterization of a (Mn(CO)5(η1-N2))+ salt |c Malte Sellin, James D. Watson, Julia Fischer, Manuel Schmitt, Graham E. Ball, Leslie D. Field, and Ingo Krossing |
| 246 | 3 | 3 | |a A dinitrogen complex without donor ligands$disolation and characterization of a (Mn(CO) 5 (eta 1 - N 2)) + salt |
| 264 | 1 | |c September 13, 2025 | |
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| 520 | |a Dinitrogen complexes are intermediates in nitrogen fixation. Until now, all isolated molecular dinitrogen complexes have relied on ancillary ligands that are net electron donors, yielding N2 ligands carrying a clear negative partial charge. Here, we present the synthesis, isolation, and characterization of the complex salt [Mn(CO)5(η1-N2)]+[F(Al(ORF)3)2]− (RF = C(CF3)3) that resulted from the oxidation of Mn2(CO)10 under a dinitrogen atmosphere in pentafluorobenzene solvent. The IR/Raman spectra reveal a high N2 frequency of 2301/2303 cm-1 close to free N2 gas (2330 cm-1) that indicates little π-back-donation. QTAIM and CD-NOCV analyses show that the carbonyl ligands act as net acceptor ligands that induce the formation of an inversely polarized dinitrogen ligand with a +0.2 charge on the terminal atom that holds the potential to be susceptible to nucleophilic attack. | ||
| 700 | 1 | |a Watson, James D. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Fischer, Julia |e VerfasserIn |4 aut | |
| 700 | 1 | |a Schmitt, Manuel |d 1994- |e VerfasserIn |0 (DE-588)1208032933 |0 (DE-627)1694341801 |4 aut | |
| 700 | 1 | |a Ball, Graham E. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Field, Leslie D. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Krossing, Ingo |e VerfasserIn |4 aut | |
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