Ultrafast reductive elimination of hydrogen from a metal carbonyl dihydride complex; a study by time-resolved IR and visible spectroscopy
- 1 January 1997
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 17,p. 2857-2860
- https://doi.org/10.1039/a704484d
Abstract
Laser flash photolysis of [Ru(PPh 3 ) 3 (CO)(H) 2 ] 1 in benzene solution yielded transient [Ru(PPh 3 ) 3 (CO)] which was observed by both microsecond UV/VIS and IR spectroscopy [λ max = 380 nm, ν(CO) = 1845 cm - ] and reacted with H 2 to reform 1 [k 2 = (8.4 ± 0.4) × 10 7 dm 3 mol - s -1 ]; photolysis of 1 with an ultrafast laser equipped with IR detection demonstrates that reductive elimination of H 2 and formation of [Ru(PPh 3 ) 3 (CO)] is complete within 6 ps.Keywords
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