Syntheses of Pentanuclear Group 6 Iridium Clusters by Core Expansion of Tetranuclear Clusters with Ir(CO)2(η5-C5Me4R) (R = H, Me)
MetadataShow full item record
Mixed molybdenum/tungsten tetrairidium and dimolybdenum/ditungsten triiridium clusters were prepared in high yield by cluster-core expansion of molybdenum/tungsten triiridium and dimolybdenum/ditungsten diiridium precursors, respectively, and were analyzed by a combination of spectroscopic, structural, and theoretical techniques. Tetrahedral molybdenum/tungsten iridium mixed-metal clusters undergo cluster-core expansion with iridium capping reagents to afford trigonal-bipyramidal MIr4(μ-CO)3(CO)7(η5-C5H5)(η5-L′), MoIr4(μ3-H)(μ-CO)2(μ-η1:η5-CH2C5Me4)(CO)7(η5-C5Me5) (possessing a μ-η1:η5-CH2C5Me4 ligand derived from a C−H bond activation of a C5Me5 methyl group), M2Ir3(μ-CO)3(CO)6(η5-C5H5)2(η5-L′), W2Ir3(μ-CO)4(CO)5(η5-C5H5)2(η5-C5Me4H), and Mo2Ir3(μ-CO)3(CO)6(η5-C5Me5)2 (L′ = C5Me5, C5Me4H). The spectroscopic, electrochemical, and spectroelectrochemical behavior of the clusters have been rationalized by time-dependent density functional theory.
Showing items related by title, author, creator and subject.
Zhang, W.; Leung, Yee-Hong; Wang, Y. (2013)In this paper, we apply finite-mixture-model-based clustering algorithms to cluster post-landfall tracks of tropical cyclones (TCs) making landfall over China. Because existing studies find that landfall surfaces or ...
Olamaie, M.; Rodriguez-Gonzalvez, C.; Davies, M.; Feroz, F.; Franzen, Thomas; Grainge, K.; Hobson, M.; Hurley-Walker, Natasha; Lasenby, A.; Pooley, G.; Saunders, R.; Scaife, A.; Schammel, M.; Scott, P.; Shimwell, T.; Titterington, D.; Waldram, E.; Zwart, J. (2012)Most Sunyaev–Zel’dovich (SZ) and X-ray analyses of galaxy clusters try to constrain the cluster total mass (MT(r)) and/or gas mass (Mg(r)) using parametrized models derived from both simulations and imaging observations, ...
Savini, F.; Bonafede, A.; Brüggen, M.; Rafferty, D.; Shimwell, T.; Botteon, A.; Brunetti, G.; Intema, Huib ; Wilber, A.; Cassano, R.; Vazza, F.; Van Weeren, R.; Cuciti, V.; De Gasperin, F.; Röttgering, H.; Sommer, M.; Bîrzan, L.; Drabent, A. (2019)Centrally located diffuse radio emission has been observed in both merging and non-merging galaxy clusters. Depending on their morphology and size, we distinguish between giant radio haloes, which occur predominantly in ...