摘要
Fourμ-oxamidoheterodinuclearcomplexes,[Cu(oxae)Cr(L)2](NO3)3,whereoxaedenotestheN,N’-bis(2-aminoethyl)oxamidodianionandLrepresents1,10-phenanthroline(phen);5-nitro-1,10-phenanthroline(NO2-phen);5-methyl-1,10-phenanthroline(Me-phen)and2,2’-bipyridine(bpy),havebeensynthesizedandcharacterizedbyelementalanalyses,magneticmoments(atroomtemperature)andmolarconductivitymeasurementsandspectroscopy.Itisproposedthatthesecomplexeshaveextendedoxamido-bridgedstructuresconsistingofacopper(Ⅱ)ionandachromium(Ⅲ)ion,whichhaveasquareplanarenvironmentandoctahedralenvironment,respectively.Thecryomagneticpropertiesofthe[Cu(oxae)Cr(bpy)2](NO3)3(1)and[Cu(oxae)Cr(phen)2](NO3)3(2)complexeshavebeenmeasuredovertherangeof4.2-300K.Theleast-squaresfitoftheexperimentaldatabasedonthespinHamiltonian,H=-2JS1·S2,theexchangeintegrals(J)wereevaluatedas+36.9cm-1for1and+35.8cm-1for2.Theresultshaveconfirmed
出版日期
1999年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
