Stable Salts of Heteroleptic Iron Carbonyl/Nitrosyl Cations.,Angewandte Chemie International Edition

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Stable Salts of Heteroleptic Iron Carbonyl/Nitrosyl Cations.
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2019-12-17 , DOI: 10.1002/anie.201915942
Jan Bohnenberger ₁ , Ingo Krossing ₁

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The oxidation of Fe(CO)5 with the [NO]+ salt of the weakly coordinating perfluoroalkoxyaluminate anion [F-{Al(ORF )3 }2 ]- (RF =C(CF3 )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.

中文翻译：

杂多铁羰基/亚硝酰基阳离子的稳定盐。

弱配位的全氟烷氧基铝酸根阴离子[F- {Al（ORF）3} 2]-（RF = C（CF3）3）的[NO] +盐氧化Fe（CO）5会生成18的稳定盐价电子（VE）物种[Fe（CO）4（NO）] +和[Fe（CO）（NO）3] +，其Enemark-Feltham值为{FeNO} 8和{FeNO} 10。自从首次发现阴离子（[Fe（CO）3（NO）]-）和中性（[Fe（CO）2（NO）2]）物种以来，这终于结束了杂合羰基铁/亚硝酰基铁络合物的三元组。 80年前。两种配合物均已得到充分表征（红外，拉曼，NMR，UV / Vis，scXRD，pXRD），并且在室温下在惰性条件下可稳定存在数月，并可作为进一步研究的有用原料。

更新日期：2020-01-24

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