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Properties of metastable linkage NO isomers in Na2[Fe(CN)5NO]·2H2O incorporated in mesopores of silica xerogels

We study the properties of photoinduced metal–nitrosyl linkage isomers in sodium nitroprusside (SNP) as a function of particle size. By embedding the molecular complex at various concentrations into mesopores of silica xerogels the size of the particles can be adjusted. The ground state is characterized by X-ray diffraction, absorption and infrared spectroscopy. The physical properties of the photoswitched molecules were analysed by steady-state low-temperature absorption, infrared spectroscopy and by nanosecond transient absorption spectroscopy. The electronic structure as well as the activation energies of the metastable linkage isomers are independent of the particle size down to single isolated molecules, indicating that the SNP complexes are quasi-free inside the pores of the gel. / Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:27820
Date January 2012
CreatorsTahri, Zakaria, Lepski, Robert, Hsieh, Kuan-Ying, Bendeif, El-Eulmi, Pillet, Sebastien, Durand, Pierrick, Woike, Theo, Schaniel, Dominik
PublisherRoyal Society of Chemistry
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typedoc-type:article, info:eu-repo/semantics/article, doc-type:Text
SourcePhysical chemistry, chemical physics 2012;14:3775–3781, ISSN: 1463-9076
Rightsinfo:eu-repo/semantics/openAccess
Relation10.1039/c2cp23607a

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