Reaction of ruthenium(II) and osmium(II) hydrides with anhydrous HF
- 1 January 1997
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 23,p. 4555-4560
- https://doi.org/10.1039/a705582j
Abstract
The reactions of anhydrous HF with the ruthenium(II) and osmium(II) hydride complexes [MH2(CO)x(PPh3)y] (M = Ru or Os; x = y = 2; x = 1, y = 3) have been studied. For [OC-6-13][MH2(CO)2(PPh3)2], elimination of dihydrogen affords the previously described [OC-6-13][MF2(CO)2(PPh3)2]. For [OC-6-13][MH2(CO)(PPh3)3], elimination of dihydrogen is accompanied by loss of one phosphine ligand and aggregation to give the novel, triply fluoride-bridged, dinuclear, [M2(µ-F)3(CO)2(PPh3)4][HF2]; anion exchange with Na[BPh4] afford air-stable products. These complexes have been characterised by mass spectrometry, NMR, IR and metal-edge extended X-ray absorption fine structure spectroscopies which confirm their dinuclear structures.Keywords
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