Abstract
According to the protonation of [PPh4]2[Ru6C(CO)16] (1b) withp-toluene-sulfonic acid, a hydrido ruthenium cluster [PPh4][Ru6C(CO)16H] (3b) was obtained in 53% yield, which readily decomposed in protic solvents even at −20°C to yield1b, Ru6C(CO)16H2, and Ru5C(CO)15. Cluster3b was characterized by single-crystal X-ray analysis. The six metal atoms are arranged in the form of an octahedron with the carbido ligand located in the center. There are 13 terminal carbonyl, three bridging carbonyl, and a bridging hydrido ligands.
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Chihara, T., Yamazaki, H. Synthesis and structural characterization of the hydrido carbido ruthenium cluster [PPh4][Ru6C(CO)16H]. J Clust Sci 3, 489–497 (1992). https://doi.org/10.1007/BF00702754
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DOI: https://doi.org/10.1007/BF00702754