Solvent-Induced Aggregation through Metal···Metal/π···π Interactions: Large Solvatochromism of Luminescent Organoplatinum(II) Terpyridyl Complexes
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- 17 May 2002
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 124 (23) , 6506-6507
- https://doi.org/10.1021/ja025811c
Abstract
A dramatic color change and tremendous emission enhancement have been “switched on” upon increasing diethyl ether ratio in acetonitrile or acetone solution of [Pt(tpy)(C⋮C−C⋮CH)]OTf, attributed to the formation of Pt···Pt and π−π interactions. Two crystal forms (dark-green and red) of [Pt(tpy)(C⋮C−C⋮CH)]OTf, together with [Pt(tBu3-tpy)(C⋮C−C⋮CH)]OTf, show different crystal-packing modes as revealed by X-ray crystallography.Keywords
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