Please use this identifier to cite or link to this item: https://doi.org/10.1039/b606025k
Title: Experimental Raman spectra of dilute and laser-light-sensitive [Rh 4(CO)9(-CO)3] and [(4- η2-3-hexyne)Rh4(CO)8(-CO)2]. Comparison with theoretically predicted spectra
Authors: Allian, A.D.
Widjaja, E.
Garland, M. 
Issue Date: 2006
Citation: Allian, A.D., Widjaja, E., Garland, M. (2006). Experimental Raman spectra of dilute and laser-light-sensitive [Rh 4(CO)9(-CO)3] and [(4- η2-3-hexyne)Rh4(CO)8(-CO)2]. Comparison with theoretically predicted spectra. Dalton Transactions (35) : 4211-4217. ScholarBank@NUS Repository. https://doi.org/10.1039/b606025k
Abstract: The reaction of [Rh4(CO)9(-CO)3] with 3-hexyne to form the butterfly cluster [(4-η2-3- hexyne)Rh4(CO)8(-CO)2] was monitored via in-situ Raman spectroscopy using an NIR laser source, at room temperature and under atmospheric argon using n-hexane as solvent. The collected raw spectra were deconvoluted using band-target entropy minimization (BTEM). The pure component mid-Raman spectra of the [Rh4(CO)9(-CO) 3] and the butterfly cluster [(4-η2-3- hexyne)Rh4(CO)8(-CO)2], were reconstructed with a high signal-to-noise ratio. Full geometric optimization and Raman vibrational prediction were carried out using DFT. The experimental and predicted Raman spectra were in good agreement. In particular, the far-Raman vibrational modes in the region 100-280 cm-1 provided characterization of the metal-metal bonds and direct confirmation of the structural integrity of the polynuclear frameworks in solution. © The Royal Society of Chemistry 2006.
Source Title: Dalton Transactions
URI: http://scholarbank.nus.edu.sg/handle/10635/88878
ISSN: 14779226
DOI: 10.1039/b606025k
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