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Identification of the IR frequencies of the interstitial carbon atom in some M6C (M = Fe,Ru) carbonyl clusters by13 C-enrichment |
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| Authors: | Pier Luigi Stanghellini Livio Cognolato György Bor Sidney F A Kettle |
| Institution: | 1. Department of Inorganic and General Chemistry, University of Turin, 10125, Turin, Italy 2. Department of Industrial and Engineering Chemistry, ETH, CH-8092, Zurich, Switzerland 3. School of Chemical Sciences, University of East Anglia, NR4 7TJ, Norwich, UK |
| Abstract: | 13C-enriched carbido carbonyl clusters of the type M6C(CO) n ] z? (M=Fe,n=16,z=2; M=Ru,n=16 ifz=2 andn=17 ifz=0) have been prepared and their IR spectra observed in the 900?600 cm?1 region; the band shifts occurring upon13 C substitution enable the assignment to the stretching modes of the interstitial C atom. Band patterns reflect the symmetry of the M6C core, but the frequencies seem dependent on other molecular features. |
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