Please help me label the peaks in this IR spectroscopy of 4-methylacetophenone.

Question

Please help me label the peaks in this IR spectroscopy of 4-methylacetophenone. Thanks.

Analyst Date Administrator Thursday, March 31, 2016 2 10 PM PerkinElmer Spectrum Version 10 03 07 Thursday, March 31. 2016 2 10 PM 100 95- 3027.47cn-1, 92.82%T 85 3 4Tem-1 95 soon, 832716T 1405 21cm-1. 83 56%T 75 70 65- 60 55- 1605 05cm-1, 69,55%T 50- 47+ 4000 1680 09 1, 4864%T 3500 3000 2500 2000 1750 1500 1250 1000 800 cm-1 Quality Checks Sample Nane Administrator 436 Description Sample 436 By Administrator Date Thursday, March 31 2016 he Quality Checks do not report any warnings tor the sample.

Explanation / Answer

3027 Cm-1 -------------> =C-H strectching vibration
1680 Cm-1 ---------------->-C=O strectching vibration
1605 Cm-1 ---------------> C=C aromatic stretching

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