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The BIAN ligand 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene: An electron sponge or a „normal“ alpha-diimine ligand?
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SYSNO ASEP 0467827 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The BIAN ligand 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene: An electron sponge or a „normal“ alpha-diimine ligand? Author(s) Löw, I. (DE)
Bubrin, M. (DE)
Paretzki, A. (DE)
Fiedler, Jan (UFCH-W) RID, ORCID
Záliš, Stanislav (UFCH-W) RID, ORCID
Kaim, W. (DE)Source Title Inorganica chimica acta. - : Elsevier - ISSN 0020-1693
Roč. 455, č. 2 (2017), s. 540-548Number of pages 9 s. Language eng - English Country NL - Netherlands Keywords BIAN diimine ligand ; Carbonylmetal complexes ; Electron transfer Subject RIV CG - Electrochemistry OECD category Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis) R&D Projects LD14129 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFCH-W - RVO:61388955 UT WOS 000390722500023 EID SCOPUS 84997106939 DOI 10.1016/j.ica.2016.05.054 Annotation The compounds [fac-Re(CO)(3)C1(L)] and [M(CO)(4)(L)], M = Cr, Mo, W and L = 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene, have been studied electrochemically and spectroelectrochemically (IR, UV-vis-NIR, EPR). The neutral rhenium complex contains an isopropyl-shielded chloride ligand. Its reversible oxidation was shown to involve a largely metal-based HOMO. One electron could be added reversibly to the diimine-based LUMO of all complexes, as evident from EPR spectroscopy. However, there was no evidence for the reversible acquisition of more than one electron by L in these complexes, ruling out an electron reservoir functionality with multielectron reactivity. DFT and TD-DFT calculations were performed for the [Re(CO)(3)Cl(L)](n) redox series (n = +, 0, -). (C) 2016 Elsevier B.V. All rights reserved. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2018
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