Electron spin resonance spectra and structure of benzenealuminum [Al(C6H6)] in hydrocarbon matrixes
作者:J. A. Howard、H. A. Joly、B. Mile
DOI:10.1021/ja00203a004
日期:1989.10
Reactions of Al atoms with benzene at 77 K in benzene and inert hydrocarbon matrices on a rotating cryostat have been studied by ESR spectroscopy. A monoligand complex, Al(Csub 6}Hsub 6}), is the only paramagnetic product, and at 4 K the ESR spectrum shows resolvable hyperfine interactions with one aluminum and two equivalent protons and has the following magnetic parameters in adamantane: asub
已经通过 ESR 光谱研究了铝原子与苯在 77 K 下在苯和惰性烃基质中在旋转低温恒温器中的反应。单配体配合物 Al(Csub 6}Hsub 6}) 是唯一的顺磁性产物,在 4 K 时,ESR 谱显示与一个铝和两个等效质子可分辨的超精细相互作用,并且在金刚烷中具有以下磁性参数: asub x}(Al) = 56 MHz, asub y}(Al) = asub z}(Al) = 14 MHz, asub x}(2H) = asub y}(2H ) = asub y}(2H) = asub z}(2H) = 27 MHz,gsub x} = 2.0010,gsub y} = 1.9970,gsub z} = 2.0060。光谱随着温度的升高而变化,并且在 220 K 时更符合与参数为 asub Al} = 9.5 MHz、asub H}(6) = 5.3 MHz 和