Synthesis and properties of the complexes of lanthanides with nitronyl nitroxide biradical

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摘要 Fivenovelcomplexesofformula[Ln(hfac)3]·BNPhOM,whereLn=Gd,Ho,Dy,Y,Er;hfac=hexfluoracetylaceto-nate;BNPhOM=1,3-[bis-2,2’-(4,4,5,5-tetramethyl-4,5-di-hydro-1H-imidazolyl-1-oxyl-3-oxide)phenoxy]propane,havebeenpreparedandcharacterizedbyelementalanalysis,molarconductances,IKandelectronicspectra.ThetemperaturedependenceofthemagneticsusceptibilityforGd(III)andradicalwasmeasured(2-300K).TheobserveddataweresuccessfullysimulatedgivingtheexchangeintegralJ=0.28cm-1,J’=-0.33cm-1.TheseresultsindicateaweakferromagneticspinexchangeinteractionbetweenGd(III)ionandtheradicalandaweakantiferromagneticspinexchangeinteractionbetweentheradicalandradical.
机构地区 不详
出处 《中国化学:英文版》 2000年4期
出版日期 2000年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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