化学
卡宾
电子顺磁共振
循环伏安法
结晶学
价(化学)
核磁共振波谱
烷基
氧化还原
立体化学
无机化学
电化学
核磁共振
物理化学
有机化学
催化作用
物理
电极
作者
Ekta Nag,Sridhar Battuluri,Bhavya Bini Sinu,Sudipta Roy
出处
期刊:Inorganic Chemistry
[American Chemical Society]
日期:2022-08-08
卷期号:61 (33): 13007-13014
被引量:1
标识
DOI:10.1021/acs.inorgchem.2c01132
摘要
Cyclic alkyl(amino) carbene (cAAC)-anchored boryl- and stibanyl-phosphaalkenes with general formula cAAC = P-ER2 [E = B, R = (NiPr2)2 (3a-c); E = Sb, R = 2,4,6-triisopropylphenyl (5a-b)] have been synthesized and utilized as precursors for the bis-phosphaalkenyl dichlorogermane [(cAAC = P)2GeCl2] (6) and the first molecular example of a neutral polymeric mixed-valence AgI/AgII phosphinidenide complex [(cAACP)2Ag4IAgIICl4]n (7). All compounds have been characterized by single-crystal X-ray diffraction and further investigated by nuclear magnetic resonance (NMR), mass spectrometric analysis, and UV-vis/fluorescence measurements. The paramagnetic complex 7 has been characterized by ESR spectroscopy. Cyclic voltammetry studies of compounds 3/5 have suggested possible one-electron quasi-reversible reductions, indicating their redox noninnocent behavior in solution. Quantum chemical studies revealed the electron-sharing nature of the P-B and P-Sb σ bonds in compounds 3 and 5, and the polar CcAAC = P bonds in compounds 3, 5, and 6 prevailing their phosphaalkene structures over phosphinidenes.
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