The cluster [Rh11(CO)14(C7H7)3] (1) was obtained from the reaction of [Rh6(CO)16] and an excess of cycloheptatriene in refluxing toluene. Initially, the substituted cluster [Rh6(CO)13(C7H8)] (2) could be identified spectroscopically, which is transformed into 1 after prolonged refluxing. In the solid state, the eleven rhodium atoms define a trioctahedral metal cage, condensed through a common edge. The three planar, equivalent C7 rings sit on the top of triangular faces. The spectroscopic characterisation of the product is hampered by its low solubility.
DELLA PERGOLA, R., Comensoli, E., Garlaschelli, L., Manassero, M., Sansoni, M., Strumolo, D. (2003). Rhodium clusters substituted by cycloheptatrienyl ligands: Synthesis and solid-state structure of [Rh11(CO)14(μ3- η2:η3:η2- C7H7)3]. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY(2), 213-215 [10.1002/ejic.200390028].
Rhodium clusters substituted by cycloheptatrienyl ligands: Synthesis and solid-state structure of [Rh11(CO)14(μ3- η2:η3:η2- C7H7)3]
DELLA PERGOLA, ROBERTO;
2003
Abstract
The cluster [Rh11(CO)14(C7H7)3] (1) was obtained from the reaction of [Rh6(CO)16] and an excess of cycloheptatriene in refluxing toluene. Initially, the substituted cluster [Rh6(CO)13(C7H8)] (2) could be identified spectroscopically, which is transformed into 1 after prolonged refluxing. In the solid state, the eleven rhodium atoms define a trioctahedral metal cage, condensed through a common edge. The three planar, equivalent C7 rings sit on the top of triangular faces. The spectroscopic characterisation of the product is hampered by its low solubility.
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