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Reactivity and electronic property of decaphenylmetallocenes of Mo and W atoms |
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| Authors: | Ching-I Li Wen-Yann Yeh Shi-Ming Peng and Gene-Hsiang Lee |
| Institution: | a Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 804, Taiwan, ROC b Department of Chemistry, National Taiwan University, Taipei 106, Taiwan, ROC |
| Abstract: | The perphenylmetallocene complexes (η5-C5Ph5)2W (1), (η5-C5Ph5)2W]+I3? (1+I3), (η5-C5Ph5)2Mo (2) and (η5-C5Ph5)2Mo]+I3? (2+I3) have been prepared. Hydrogenation of 1 in THF produces (η5-C5Ph5)2WH2 (4), while (η5-C5Ph5)2WHCl (3) is afforded in 1,2-dichloroethane solvent. Carbonylation of 1 produces (η5-C5Ph5)2W(CO) (5). Treatment of 1 with the strong acid CF3SO3H leads to the dicationic species (η5-C5Ph5)2W]+2CF3SO3]?2 (1+2Tf2) after crystallization. The structures of 2+I3 and 1+2Tf2 have been determined by an X-ray diffraction study. The magnetic susceptibility study indicates a 3E2g ground-state for 1 and 2, and a 4A2g ground-state for 1+ and 2+. |
| Keywords: | Perphenylmetallocene complexes Neutral chromocene derivatives Reactivity and magnetic property |
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