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Supramolecular complexes involving non-symmetric viologen cations and hexacyanoferrate(II) anions. A spectroscopic, crystallographic and computational study
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Molecular Biomimetics. Natl Tech Univ Athens, Organ Chem Lab, Sch Chem Engn, Athens 15780, Greece..
Natl Tech Univ Athens, Organ Chem Lab, Sch Chem Engn, Athens 15780, Greece..
Aix Marseille Univ, CNRS, FR1739, F-13013 Marseille, France..
Aix Marseille Univ, CNRS, Cent Marseille, ISM2,UMR 7313, F-13397 Marseille, France..
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2016 (English)In: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 6, no 1, 575-585 p.Article in journal (Refereed) Published
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Abstract [en]

We have investigated spectrally, crystallographically as well as computationally the charge transfer complexes involving newly synthesized N-aryl-N'-methyl non-symmetric viologens (AMVs) and hexacyanoferrate(II) (HCF) anions. The supramolecular binding of AMVs and HCF was studied in solution and in the crystal state for one of the obtained complexes. Substituent effects on the electron affinities of the dicationic AMVs, determined using Mulliken's theory [R. S. Mulliken, J. Am. Chem. Soc., 1952, 74, 811-824] were quantified. The structure of one of the AMV//Fe-II(CN)(6) pairs solved through Single-Crystal X-ray Diffraction (SCXRD), provided insights for the supramolecular binding of the anionic and cationic counterparts and the role of lattice water molecules. Supramolecular binding in solution, studied with the use of NMR spectroscopy, is in agreement with the results obtained in the solid state.

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2016. Vol. 6, no 1, 575-585 p.
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Chemical Sciences
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URN: urn:nbn:se:uu:diva-276872DOI: 10.1039/c5ra16732aISI: 000367250900070OAI: oai:DiVA.org:uu-276872DiVA: diva2:903712
Available from: 2016-02-16 Created: 2016-02-16 Last updated: 2017-11-30Bibliographically approved

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Papadakis, Raffaello

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