期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 5, 页码 1293-1296出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201307025
关键词
cyanometalates; density functional calculations; metal-metal interactions; mixed-valence compounds; ruthenium
资金
- University of Buenos Aires
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET)
The NIR and IR spectroscopic properties of the cyanide-bridged complex, trans-[Ru(dmap)(4){(mu-CN)Ru(py)(4)Cl}(2)](3+) (py=pyridine, dmap=4-dimethylaminopyridine) provide strong evidence that this trimetallic ion behaves as a Class III mixed-valence species, the first example reported of a cyanide-bridged system. This has been accomplished by tuning the energy of the fragments in the trimetallic complex to compensate for the intrinsic asymmetry of the cyanide bridge. Moreover, (TD)DFT calculations accurately predict the spectra of the trans-[Ru(dmap)(4){(mu-CN)Ru(py)(4)Cl}(2)](3+) ion and confirms its delocalized nature.
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