Transmittance 90 80 70 60 50 40 30 20 10 0 4000 2971

Last updated: 6/15/2023

Transmittance 90 80 70 60 50 40 30 20 10 0 4000 2971 hexanoic acid HHHHHO IIIIIH H C C C C C C 0 H IIIII HHHHH O H stretch and C H stretch 2000 Wavenumbers cm 1 1296 1419 C O O H stretch bend 1721 C O stretch An example of an IR for an alcohol molecule is shown below 948 O H bend D Solution and explanation This is the IR spectrum of hexanoic acid Although just from the IR this will be almost impossible to tell if you were told that the formula for this molecule was C6H1202 you could tell that this was a carboxylic acid through the infrared spectroscopy and conclude the structure of the molecule