*
Click on any peak for help in interpreting this spectrum.
The peak is a singlet, relative area 1 (meaning 3 hydrogens in this case), indicating that it corresponds to an isolated CH3. The chemical shift (d 1.95) suggests that the CH3 is adjacent to a mildly electron-withdrawing group, such as a carbonyl.
The peak is a singlet, relative area 1 (3 hydrogens), indicating that it corresponds to an isolated CH3 group. The chemical shift (d 3.9) suggests that the CH3 is adjacent to an electronegative atom (i.e., oxygen).
C3H6O2
From the molecular formula, the compound has "1 degrees of unsaturation" (one double bond or ring).
IUPAC Name: methyl acetate (methyl ethanoate)
The proton NMR has two singlets of equal area. The fact that the molecule has 6 hydrogens means that there must be two non-identical CH3 groups in the molecule and that they are non-adjacent. The peak at d 1.95 is in the area generally observed for methyl groups adjacent to carbonyls; the peak at d 3.85 is in the region for methyl groups adjacent to electronegative atoms, i.e., oxygen.
*
Structure: 