Synthesis and Characterization of Novel Transition Metal Pnictogenide Compounds

Carsten von Hänisch, Kevin Dollberg, Jan Moritz, Katalin Mészáros, Celina Jakobi, Roman-Malte Richter, Florian Weigend
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Abstract

A series of transition metal‐pnictogenide compounds were prepared starting from [(Dipp2NacNac)MCl] (M = Cr, Mn, Fe, Zn) (Dipp2NacNac = HC{C(Me)N(Dipp)}2) and [M´E(SiMe3)2] (M´= Li, K; E = P, As, Sb) as well as [Li(Et2O)nPH2] and [Li(tmeda)AsH2]. In the course of these investigations we were able to characterize all permutations for compounds of the composition [(Dipp2NacNac)ZnE(SiMe3)2] (E = P, As, Sb) and [(Dipp2NacNac)ZnEH2] (E = P, As). Moreover, the synthesis of selected compounds of type [(Dipp2NacNac)ME(SiMe3)2] for M = Cr, Mn, Fe and E = P‐Sb are described. As part of our efforts, we established a number of bonding motifs that are underexplored in the literature to date. All isolated compounds, were examined by NMR spectroscopy, IR spectroscopy, Elemental analysis and X‐Ray structure analysis. DFT calculations on the chromium compounds were performed to investigate the binding situation between chromium and the group 15 element in more detail.
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新型过渡金属苷元化合物的合成与表征
我们从[(Dipp2NacNac)MCl](M = Cr、Mn、Fe、Zn)(Dipp2NacNac = HC{C(Me)N(Dipp)}2 )和[M´E(SiMe3)2](M´= Li、K;E = P、As、Sb)以及[Li(Et2O)nPH2]和[Li(tmeda)AsH2]开始,制备了一系列过渡金属锑化合物。在这些研究过程中,我们能够确定[(Dipp2NacNac)ZnE(SiMe3)2](E = P、As、Sb)和[(Dipp2NacNac)ZnEH2](E = P、As)组成的化合物的所有排列特征。此外,我们还介绍了 M = Cr、Mn、Fe 和 E = P-Sb 的[(Dipp2NacNac)ME(SiMe3)2] 类型化合物的合成。作为研究工作的一部分,我们建立了一些迄今为止在文献中尚未得到充分探索的成键模式。所有分离出的化合物都通过核磁共振光谱、红外光谱、元素分析和 X 射线结构分析进行了检验。对铬化合物进行了 DFT 计算,以更详细地研究铬与第 15 族元素之间的结合情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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