Interpret the IR spectrum of ethyl levulinate ethylene acetal at the indicated peaks. This is what I have so far. Please check that I did it right. Thank you!   XXXXXXXXXXSp3 C-H stretch XXXXXXXXXXSp3...

Interpret the IR spectrum of ethyl levulinate ethylene acetal at the indicated peaks. This is what I have so far. Please check that I did it right. Thank you!

2982.69 Sp3 C-H stretch

2884.15 Sp3 C-H stretch

1734.95 C=O stretch, saturated ester

1376.41 C-C rocking, methyl group

1179.45, 1135.16, 1099.58, 1051.33 All C-O stretches

865.21 ???

733.33 ???