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Ruthenium(II) complexes of azoimine and α-diimine ligands : synthesis, spectroscopic and electrochemical properties, crystal structures and DFT calculations

Ruthenium(II) complexes of azoimine and α-diimine ligands : synthesis, spectroscopic and electrochemical properties, crystal structures and DFT calculations

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AL-NOAIMI, Mousa, Ismail I. FASFOUS, Firas F. AWWADI, Deeb TAHER, Abdallah ALFAYYOUMI, Obadah S. ABDEL-RAHMAN, 2016. Ruthenium(II) complexes of azoimine and α-diimine ligands : synthesis, spectroscopic and electrochemical properties, crystal structures and DFT calculations. In: Transition Metal Chemistry. 41(7), pp. 795-805. ISSN 0340-4285. eISSN 1572-901X

@article{Al-Noaimi2016Ruthe-37296, title={Ruthenium(II) complexes of azoimine and α-diimine ligands : synthesis, spectroscopic and electrochemical properties, crystal structures and DFT calculations}, year={2016}, doi={10.1007/s11243-016-0080-1}, number={7}, volume={41}, issn={0340-4285}, journal={Transition Metal Chemistry}, pages={795--805}, author={Al-Noaimi, Mousa and Fasfous, Ismail I. and Awwadi, Firas F. and Taher, Deeb and Alfayyoumi, Abdallah and Abdel-Rahman, Obadah S.} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/37296"> <dcterms:title>Ruthenium(II) complexes of azoimine and α-diimine ligands : synthesis, spectroscopic and electrochemical properties, crystal structures and DFT calculations</dcterms:title> <dc:creator>Fasfous, Ismail I.</dc:creator> <dc:contributor>Al-Noaimi, Mousa</dc:contributor> <dcterms:issued>2016</dcterms:issued> <dc:contributor>Abdel-Rahman, Obadah S.</dc:contributor> <dc:creator>Taher, Deeb</dc:creator> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-02-10T08:29:54Z</dcterms:available> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-02-10T08:29:54Z</dc:date> <dc:contributor>Fasfous, Ismail I.</dc:contributor> <dc:contributor>Awwadi, Firas F.</dc:contributor> <dc:creator>Abdel-Rahman, Obadah S.</dc:creator> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">Five octahedral ruthenium(II) complexes with azoimine–quinoline (Azo) and α-diimine (L) ligands having the general formula [RuII(L)(Azo)Cl](PF6) (1–5) {Azo: PhN=NC(COMe)=NC9H6N, L = 4,4′-dimethoxy-2,2′-bipyridine (dmeb) (1), 4,4′-di-tertbutyl-2,2′-bipyridine (dtb) (2), 1,10-phenanthroline (phen) (3), 5-chlorophenanthroline (Clphen) (4), or 3,4,7,8-tetramethyl-1,10-phenanthroline (tmphen) (5)} were prepared by stepwise addition of the tridentate azoimine (H2Azo) and α-diimine (L) pro-ligands to RuCl3 in refluxing EtOH. The tridentate azoimine–quinoline ligands coordinate to ruthenium via the Azo-N′, N′-imine and N″-quinolone nitrogen atoms. The spectroscopic properties (IR, UV/Vis, 1H, 13C and 19F NMR) and electrochemical behavior of complexes 1–5 and the X-ray crystal structures of complexes 2 and 3 are presented. The coordination of Ru(II) to these strong π-acceptor ligands (Azo and L) results in a large anodic shift for the Ru(III/II) couples of 1.63–1.72 V versus NHE. The electronic spectra in MeCN and IR spectra in CH2Cl2 for complex 3 in its oxidized 3+ and reduced 3− forms were investigated. The calculated absorption spectrum of 3 in MeCN was used to assign the UV–Vis absorption bands.</dcterms:abstract> <dc:contributor>Taher, Deeb</dc:contributor> <dc:creator>Al-Noaimi, Mousa</dc:creator> <dc:creator>Alfayyoumi, Abdallah</dc:creator> <dc:creator>Awwadi, Firas F.</dc:creator> <dc:contributor>Alfayyoumi, Abdallah</dc:contributor> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/37296"/> </rdf:Description> </rdf:RDF>

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