Spinning-Cell FT-Raman Spectroscopy: Application to Crystalline Octacarbonyldicobalt(0), Co₂(CO)₈

Authors: Brienne, Stéphane H.R.¹; Markwell, Ross D.¹; Barnett, Steven M.¹; Butler, Ian S.¹; Finch, James A.²

Source: Applied Spectroscopy, Volume 47, Issue 8, Pages 1091-1288 (August 1993) , pp. 1131-1133(3)

Publisher: Society for Applied Spectroscopy

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Abstract:

The complete Raman spectrum of crystalline octacarbonyldicobalt(0), Co₂(CO)₈, has been successfully obtained for the first time by using a Fourier transform instrument together with a spinning sample cell to avoid decomposition of Co₂(CO)₈ upon exposure to the near-IR laser radiation used to excite the spectrum. Previously, only limited regions of the Raman spectrum could be obtained with visible laser excitation because of extensive sample burning. The new FT-Raman results, combined with the related IR data from the literature, provide a better description of the vibrational properties of this important binary metal carbonyl complex.

Keywords: FT-Raman; Co2(CO)8; Octacarbonyldicobalt(0); Spinning cell

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702934068035

Affiliations: 1: Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec, H3A 2K6 Canada 2: Department of Mining and Metallurgy, McGill University, 3450 University Street, Montreal, Quebec, H3A 2A7 Canada

Publication date: 1993-08-01

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