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含稀土-金属键的化合物的远红外光谱
THE FAR-INFRARED SPECTRA OF SOME-ORGANOME TALLIC COMPLEXES CONTAINING RARE EARTH-TOMETAL BOND
【摘要】 <正> Carey等曾报导一些含锡和过渡金属间键的化合物的远红外光谱,对金属-金属键的吸收做了归属。我们对新合成的(DBM)2Re—Fe(CO)2(C5H5)(Re=Y,La,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu)和(DBM)2Re—Sn(C6H5)3(Re=Y,La,Pr,Nd,Sm,Eu,
【Abstract】 The far-infrared spectra(100—500cm-1)of 22 complexes containing rare earth-to-metal bond are presented. These complexes are (DBM)2 Re-Fe (CO)2 (C5H5) [DBM=(C6H5CO)2CH—; Re=Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu] and (DBM)2 Re-Sn(C6H5)3 (Re=Y, La, Pr, Nd, Sm, Eu, Gd and Tb). The assignments can be made of absorptions due to Re—O, Fe—C, Sn—C, Re—Fe and Re—Sn vibrations. The bondin cgharacter of these complexes is discussed.
- 【文献出处】 光谱学与光谱分析 ,Spectroscopy and Spectral Analysis , 编辑部邮箱 ,1987年01期
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