【作者】 聂崇实； 郭建华； 钱长涛； 谭瑛；

【Author】 Chongshi Nie~* Jianhua Guo Changtao Qian Ying Tan (shanghai Institute of Organic Chemistry,Chinese Academy of Sciences, 354 Feng-lin Road.Shanghai 200032,P.R.China)

【机构】 中国科学院上海有机化学研究所；

【摘要】 <正>振动光谱被证实是一种研究金属有机化合物的强有力手段,FT-Raman光谱,因其有NIR激光激发和高效的数据采集等方面的优点,促使Raman光谱成为一种常规的检测工具。在本工作中,我们成功地测得了一组新报导的π,π苯基环戊二烯基双金属化合物的FT-Raman和FT-IR光谱,这些化合物都有一个基本的环戊二烯基配体或茚基取代苯环配体,列于Scheme 1,化合物的分子式列于Table l,90%更多还原

【Abstract】 Vibrational spectroscopy has proved to be a powerful method for studying organometallic compounds.The advent of FT-Raman spectroscopy,employing NIR（1.064 urn） laser and high efficiency in data processing,has prompted Raman spectroscopy to become a routine tool.In this work we successfully measured a group of newly reportedπ,π-phenylcyclopentadienyl bimetallic complexes,with a basic ligand of cyclopentadienyl or indenyl substituted on a benzene ring as in scheme 1.The molecular formula of the complexes are listed in Table 1.Over 90%of these compounds have got good S/N FTR spectra in the range 3600-70 cm^-1.A typical FTR with its IR spectra of 6 were shown in Fig.1. FT-Raman spectra and selected IR spectra of fourteen heterobimetallic complexes of（CO）₃CrC₆H5-C₅H4M（CO）_n（NO）_mX（M=transition metals,X=other ligands） were reported.FT-Raman exhibited distinct strong characteristic bands of coodinated C₆H₅-C₅H₄ ligand ring deformation bands near 1540,1490 and 1280 cm^-1 and the coordinated phenyl ring deformation mode 1000 cm^-1,which are negligible in IR spectra.It is also easy to find the M-CO stretching and M-C-O bending as well as phenyl-M stretching bands in the FT-Raman spectra.The v（CO） IR absorptions in THF solution were reasonably assigned according to the local symmetry of the complexes.更多还原