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

Date

2010-05-05

Author

Masjedi, Mehdi
Yildirim, Leyla Tatar
Özkar, Saim

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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, (1)H, (13)C and (31)P NMR spectroscopy. The compounds of ruthenium(II), both mononuclear complexes, crystallize in triclinic P (1) over bar 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.

Subject Keywords

Physical and Theoretical Chemistry, Inorganic Chemistry, Materials Chemistry

URI

https://hdl.handle.net/11511/39026

Collections

Department of Chemistry, Article