Crystal structure of trans- and cis-bis(acetylacetonato)bis(trimethylphosphite)ruthenium(II) complexes and testing their catalytic activity in hydrogen generation from the hydrolysis of sodium borohydride |
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| Authors: | Mehdi Masjedi Saim Özkar |
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| Institution: | a Department of Chemistry, Middle East Technical University, 06531 Ankara, Turkey
b Department of Engineering Physics, Hacettepe University, 06800 Ankara, Turkey |
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| Abstract: | Both the trans and cis isomers of Ru(acac)2{P(OMe)3}2] were isolated in the form of single crystals and characterized by single crystal X-ray diffraction, UV-Vis, MS, 1H, 13C and 31P NMR spectroscopy. The compounds of ruthenium(II), both mononuclear complexes, crystallize in triclinic  space group. The metal ion in both compounds has similar, slightly distorted octahedral coordination geometry. Both complexes were tested as catalyst in hydrogen generation from the hydrolysis of sodium borohydride. When used alone, none of the trans- and cis-Ru(acac)2{P(OMe)3}2] complexes shows significant catalytic activity. However, the catalytic activity of cis-Ru(acac)2{P(OMe)3}2] in the hydrolysis of sodium borohydride is significantly enhanced by the addition of two equivalents of trimethylphosphite per ruthenium into the medium. |
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| Keywords: | Crystal structure Ruthenium Acetylacetonate Trimethylphosphite Sodium borohydride Hydrolysis |
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