NMR/IR Do we need to memorize the specific values?

[medseek1]

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I was just wondering whether we need to memorize all the shift/vibration values. I just have carbonyl and OH groups (1720 and broad 3400) commited to my memory. Do we need to memorize all the others too?

 

[scdocusc]

in a word, yes, you probably have a 85% chance that it will be on there with specific values

 

[smuwillobrien]

Memorize the obvious things - carbonyl group, hydroxyl group, ... don't waste a lot of time on it though - it'll only be a few questions, at most.