Fig. 3. 1H and 13C NMR resonances for the coordinated methane ligand in [(C5Me5)Os(dfmpm)13CH4]+ at −110°C in CDCl2F.
A small quartet at δ −45.4 in the 13C NMR spectrum is due to residual (unprotonated) (C5Me5)Os(dfmpm)(13CH3).
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