Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster

Butler IS, Hofstatter M, Müller A (2002)
JOURNAL OF RAMAN SPECTROSCOPY 33(3): 213-217.

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Abstract
Fourier transform Raman spectra of the prototype, triangular, transition metal-sulfur cluster anion [Mo-3(S-2)(6)S](2-) were recorded at pressures up to 60 kbar with the aid of a diamond-anvil cell (DAC). The pressure dependences (partial derivativen/partial derivativep) of the Raman bands indicate a structural change at around 10-15 kbar. The S-S stretching mode for the bridging disulfide ligands exhibits a slightly negative partial derivativev/partial derivativep value (-0.08), suggesting that S-S bonds are weakened, i.e. activated, at high pressures. This pressure-induced activity parallels the observed nucleophilic substitution reactivity of the S2 groups in this molybdenum cluster anion. In view of this, a preliminary investigation of the reaction between [Mo-3(S-2)(6)S](2-) and CN- was undertaken in the solid state in the DAC under high pressure. Copyright (C) 2002 John Wiley Sons, Ltd.
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Butler IS, Hofstatter M, Müller A. Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster. JOURNAL OF RAMAN SPECTROSCOPY. 2002;33(3):213-217.
Butler, I. S., Hofstatter, M., & Müller, A. (2002). Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster. JOURNAL OF RAMAN SPECTROSCOPY, 33(3), 213-217.
Butler, I. S., Hofstatter, M., and Müller, A. (2002). Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster. JOURNAL OF RAMAN SPECTROSCOPY 33, 213-217.
Butler, I.S., Hofstatter, M., & Müller, A., 2002. Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster. JOURNAL OF RAMAN SPECTROSCOPY, 33(3), p 213-217.
I.S. Butler, M. Hofstatter, and A. Müller, “Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster”, JOURNAL OF RAMAN SPECTROSCOPY, vol. 33, 2002, pp. 213-217.
Butler, I.S., Hofstatter, M., Müller, A.: Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster. JOURNAL OF RAMAN SPECTROSCOPY. 33, 213-217 (2002).
Butler, IS, Hofstatter, M, and Müller, Achim. “Fourier transform Raman spectroscopic study of pressure-induced ligand bond activation in a molybdenum-sulfur cluster”. JOURNAL OF RAMAN SPECTROSCOPY 33.3 (2002): 213-217.
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