The complete Raman spectrum of crystalline octacarbonyldicobalt(0), Co<sub>2</sub>(CO)<sub>8</sub>, has been successfully obtained for the first time by using a Fourier transform instrument together with a spinning sample cell to avoid decomposition of Co<sub>2</sub>(CO)<sub>8</sub> 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.

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