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Phototriggered Ru(II)−Dimethylsulfoxide Linkage Isomerization in Crystals and Films

Rack, Jeffrey J. and Winkler, Jay R. and Gray, Harry B. (2001) Phototriggered Ru(II)−Dimethylsulfoxide Linkage Isomerization in Crystals and Films. Journal of the American Chemical Society, 123 (10). pp. 2432-2433. ISSN 0002-7863. doi:10.1021/ja000179d.

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Photochromic materials are of interest because of their potential applications in optical information storage devices. Measurements on photochromic sodium nitroprusside (Na_2[Fe(CN)_5(NO)]) indicate that two metastable states are formed by irradiations of the crystalline solid:  the first is an isonitrosyl (O-bonded NO); the second is an η^2-NO (side-on) complex. Phototriggered linkage isomerizations also occur in dimethylsulfoxide (dmso) complexes: notably, both photochemical Ru−S → Ru−O and thermal Ru−O → Ru−S reactions are observed in dmso solutions of [Ru(bpy)_2(dmso)_2]^(2+) (bpy = 2,2‘-bipyridine); and, as reported here, we find photochromism attributable to Ru−S → Ru−O rearrangement upon visible excitation of [Ru(tpy)(bpy)(dmso)]^(2+) (tpy = 2,2‘:6‘,2‘ ‘-terpyridine) in single crystals and films as well as in solution.

Item Type:Article
Related URLs:
URLURL TypeDescription ItemSupporting Information
Winkler, Jay R.0000-0002-4453-9716
Gray, Harry B.0000-0002-7937-7876
Additional Information:© 2001 American Chemical Society. Received 18 January 2000. Published online 15 February 2001. Published in print 1 March 2001. We thank Will Wehbi, Larry Henling, Mike Day, and Brian Crane for experimental assistance and helpful discussions. This work was supported by ARO (DAAH04−95−1−0125), NSF, and NIST (ATP) Award 70NANB5H1031.
Funding AgencyGrant Number
Army Research Office (ARO)DAAH04−95−1−0125
National Institute of Standards and Technology (NIST)ATP-70NANB5H1031
Issue or Number:10
Record Number:CaltechAUTHORS:20170404-083716205
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Official Citation:Phototriggered Ru(II)−Dimethylsulfoxide Linkage Isomerization in Crystals and Films Jeffrey J. Rack, Jay R. Winkler, and Harry B. Gray Journal of the American Chemical Society 2001 123 (10), 2432-2433 DOI: 10.1021/ja000179d
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:75672
Deposited By: Ruth Sustaita
Deposited On:04 Apr 2017 19:14
Last Modified:15 Nov 2021 16:35

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