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Chemistry · L5 · Spectroscopy Interpretation Workflow

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A systematic decision tree for identifying a functional group using IR, ¹H NMR chemical shift, and MS fragmentation data.

by @openstemUpdated Chemistry
MS: molecular ion M⁺degrees of unsaturationIR spectrumO-H: alcohol or acidC=O present1H NMR shiftAldehyde -CHOAromatic ringAlpha to carbonyl13C NMRCarbonyl carbonAromatic carbonsbroad 3200-3550 cm-1sharp ~1715 cm-1δ 9-10 ppm singletδ 7 ppm aromaticδ 2-2.7 near C=O160-220 ppm100-150 ppm

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