Multinuclear n.m.r. studies (1H, 1H-{103Rh}, l3C, 13C-{103Rh}, and 103Rh) show that protonation of [Rh6(CO)15]2– and [Rh6(CO)15C]2– at low temperatures gives [Rh6H(CO)15]– and [Rh6H(CO)15C]– which contain terminal and triangular face-bridging hydrides respectively;warming these solutions to room temperature results in loss of hydrogen and formation of [Rh12(CO)30]2– and [Rh12(CO)24(C)2]2– respectively.
B. T. Heaton, L. Strona, S. Martinengo, D. Strumolo, R. J. Goodfellow and I. H. Sadler, J. Chem. Soc., Dalton Trans., 1982, 1499 DOI: 10.1039/DT9820001499
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