Preparation and studies of the first organometallic chromium system that is photochromic and bistable

INOR 846

Theodore J. Burkey, tburkey@memphis.edu1, Charles B. Duke III1, Tung T. To, tung.to@nist.gov2, and Edwin J. Heilweil, edwin.heilweil@nist.gov2. (1) Department of Chemistry, University of Memphis, Smith Chemistry Building, Memphis, TN 38152-3550, (2) Physics Laboratory, Optical Technology Division, National Institute of Standards and Technology, 100 Bureau Drive Stop 8443, Gaithersburg, MD 20899-8443
We have prepared arene chromium tricarbonyl derivatives with bifunctional side-chains. Chelation occurs following CO dissociation via UV irradiation. When the side chain contains a pyridine and an alkene function, two different chelates, linkage isomers, are formed and do not thermally interconvert at room temperature. Using UV and visible irradiation alternately converts one isomer to the other. Synthesis, characterization, as well as dynamic TRIR results will be presented.
 

Applications of Organometallic Chemistry
1:30 PM-4:40 PM, Wednesday, August 22, 2007 BCEC -- 205C, Oral

Division of Inorganic Chemistry

The 234th ACS National Meeting, Boston, MA, August 19-23, 2007