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Stable Salts of Heteroleptic Iron Carbonyl/Nitrosyl Cations - A New Class of Iron Carbonyl Complexes.

07:00 EST 17th December 2019 | BioPortfolio

Summary of "Stable Salts of Heteroleptic Iron Carbonyl/Nitrosyl Cations - A New Class of Iron Carbonyl Complexes."

The oxidation of Fe(CO) 5 with the [NO] + salt of the weakly coordinating perfluoroalkoxyaluminate anion [F-{Al(OR F ) 3 } 2 ] - (R F = C(CF 3 ) 3 ) leads to stable salts of the 18 valence electron (VE) species [Fe(CO) 4 (NO)] + and [Fe(CO)(NO) 3 ] + with the Enemark-Feltham numbers of {FeNO} 8 and {FeNO} 10 . This finally concludes the triad of heteroleptic iron carbonyl/nitrosyl complexes, since the first discovery of the anionic ([Fe(CO) 3 (NO)] - ) and neutral ([Fe(CO) 2 (NO) 2 ]) species over 80 years ago. Both complexes were fully characterized (IR, Raman, NMR, UV/Vis, scXRD, pXRD) and are stable at room temperature under inert conditions over months and may serve as useful starting materials for further investigations.

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Name: Angewandte Chemie (International ed. in English)
ISSN: 1521-3773
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