Heteronuclear Coupling of Carbon-13 to Phosphorus

FIGURE 4.22 The proton-decoupled spectrum of tetramethylphosphonium chloride, 

The proton NMR spectrum for a compound with formula CgHig shows only one peak at 0.86 ppm. The carbon-13 NMR spectrum has two peaks, a large one at 26 ppm and a small one at 35 ppm. Draw the structure of this compound. 

Nuclear Magnetic Resonance Spectroscopy Part Two Carbon-13 Spectra 

FIGURE 6.23 The proton-decoupled spectrum of tetramethylphosphonium chloride, (CH3)4P+Cr (75 MHz). 

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