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Hydride donating properties of (HRu/sub 3/(CO)/sub 11/)/sup -/ in the presence of CO; chemistry of ruthenium carbonyl anions relevant to the catalysts of the water gas shift reaction

Journal Article · · J. Am. Chem. Soc.; (United States)
DOI:https://doi.org/10.1021/ja00288a017· OSTI ID:5737895

The chemistry of selected ruthenium carbonyl anions was studied with respect to the catalysis of the water gas shift reaction (WGSR). Sodium and potassium salts of (HRu/sub 3/ (CO)/sub 11/)/sup -/ in THF (tetrahydrofuran) reacted with CO (1 atm) to precipitate Ru/sub 3/(CO)/sub 12/ and probably metal hydride. In the presence of CO, (HRu/sub 3/(CO)/sub 11/)/sup -/ functioned as an apparent hydride donor to B(OCH/sub 3/)/sub 3/ and reacted with H/sub 2/O to give H/sub 2/. The effect of counterion (K/sup +/, Na/sup +/, Li/sup +/, N(CH/sub 3/)/sub 4//sup +/, N(C/sub 2/H/sub 5/)/sub 4//sup +/) on the hydride donating reactions of (HRu/sub 3/(CO)/sub 11/)/sup -/ was studied. For catalysis of the WGSR, a catalytic cycle was proposed which involves (HRu/sub 3/(CO)/sub 11/)/sup -/ and Ru/sub 3/(CO)/sub 12/ and emphasizes the apparent hydridic nature of (HRu/sub 3/(CO)/sub 11/)/sup -/ in the presence of CO.

Research Organization:
Ohio State Univ., Columbus
OSTI ID:
5737895
Journal Information:
J. Am. Chem. Soc.; (United States), Journal Name: J. Am. Chem. Soc.; (United States) Vol. 107:2; ISSN JACSA
Country of Publication:
United States
Language:
English

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