期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 136, 期 50, 页码 17362-17365出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja508200g
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资金
- Department of Energy [DE-FG02-97ER14807]
- Boulder Scientific
- OFS Fitel
- Department of Energy Office of Science Graduate Fellowship Program (DOE SCGF) [DE-AC05-06OR23100]
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences [DE-AC02-98CH10886]
- U.S. Department of Energy (DOE) [DE-FG02-97ER14807] Funding Source: U.S. Department of Energy (DOE)
A cobalt hydride has been proposed as an intermediate in many reactions of the Co(dmgBF(2))(2)L-2 system, but its observation has proven difficult. We have observed the UV-vis spectra of Co(dmgBF(2))(2)L-2 (1) in CH3CN under hydrogen pressures of up to 70 atm. A Co(I) compound (6a) with an exchangeable proton is eventually formed. We have determined the bond dissociation free energy and pK(a) of the new O-H bond in 6a to be 50.5 kcal/mol and 13.4, respectively, in CH3CN, matching previous reports.
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