Carbon=13*NMR*Chemical*Shift*Regions* * * 12 10 8 6 4 2 0 PPM O OH O H H H H X X = O, N, Halogen H saturated carboxylicaldehyde aromaticvinyl acid Z H Z= O,C CH H H C H H CH …

The following table lists infrared spectroscopy absorptions by frequency regions.

CHEM 108M, Nuclear Magnetic Resonance (NMR) UCSC, Binder Figures from Mohrig’s Techniques in Organic Chemistry, 3rd Edition. 3

When two electronegative groups are attached to the same carbon, both groups affect the hydrogens: add the indicated values from the table together, add the correction for the …

Characteristic IR Absorption Peaks of Functional Groups* * Abbreviations: s = strong; m = medium; w = weak; br = broad; sat. = saturated; conj. = conjugated ** Alcohols, Esters, …

It follows the same basic concepts, i.e., it provides a representative, albeit limited set of reference data for the interpretation of 13C NMR, 1H NMR, IR, mass, and UV/Vis spectra. We also …

IR/NMR Spectroscopy Problem Tutorial: This section takes you through the steps that you will need to do to solve for the structure of an organic compound given the IR, NMR, and …

Functional Group Wavenumber (cm-1) intensity; water OH Stretch: 3700-3100: strong: alcohol OH stretch: 3600-3200: strong: carboxylic acid OH stretch: 3600-2500

IR Flowchart to determine functional groups in a compound (all values in cm-1). All IR values are approximate and have a range of possibilities depending on the molecular environment in …

Table of Characteristic IR Absorptions. You can download this chart as a printable acrobat pdf file.