Multimetallic binding to fullerene. C[sub 60](Ir[sub 2]Cl[sub 2](1,5-COD)[sub 2])[sub 2]. A novel coordination mode to fullerences
Journal Article
·
· Journal of the American Chemical Society; (United States)
- Univ. of Joensuu (Finland)
Here we report the synthesis and crystallographic characterization of the first multimetallic addition product of C[sub 60], where two metals connected to each other coordinate to the same six-membered ring of C[sub 60]. The new fullerene complex was obtained by mixing solutions of C[sub 60] and Ir[sub 2]Cl[sub 2](1,5-COD)[sub 2] in benzene (or toluene) in a 1:1 mole ratio at room temperature. A brown precipitate formed and was separated by decantation. The air-stable product was found to be only slightly soluble in benzene (or toluene) on heating and was characterized with IR spectroscopy and chemical analysis. Crystals of good quality were grown by slow diffusion of C[sub 60] and Ir[sub 2]Cl[sub 2](1,5-COD)[sub 2] benzene solutions together. The complexation reaction between C[sub 60] and Ir[sub 2]Cl[sub 2](1,5-COD)[sub 2] can be rationalized as an addition reaction of an unsaturated iridium complex. The binding of the Ir[sub 2]Cl[sub 2] unit to the two carbon-carbon bonds in the same six-membered ring shows that neighboring 6:6 ring junctions can also be activated in metal complexation. 4 refs., 2 figs.
- OSTI ID:
- 6260336
- Journal Information:
- Journal of the American Chemical Society; (United States), Journal Name: Journal of the American Chemical Society; (United States) Vol. 115:11; ISSN JACSAT; ISSN 0002-7863
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
AROMATICS
BENZENE
CARBON
COMPLEXES
CRYSTALLIZATION
ELEMENTS
FULLERENES
HYDROCARBONS
IRIDIUM COMPLEXES
NONMETALS
ORGANIC COMPOUNDS
ORGANOMETALLIC COMPOUNDS
PHASE TRANSFORMATIONS
SPECTROSCOPY
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
400201* -- Chemical & Physicochemical Properties
AROMATICS
BENZENE
CARBON
COMPLEXES
CRYSTALLIZATION
ELEMENTS
FULLERENES
HYDROCARBONS
IRIDIUM COMPLEXES
NONMETALS
ORGANIC COMPOUNDS
ORGANOMETALLIC COMPOUNDS
PHASE TRANSFORMATIONS
SPECTROSCOPY
SYNTHESIS
TRANSITION ELEMENT COMPLEXES