Would 4-methyl-1cyclohexene have a signal to the left of 3000 in the IR?

1 Answer
Ernest Z.
Apr 17, 2018

Yes, it would.

Explanation:

The structure of 4-methylcyclohexene is

Structure

The compound has two alkene #"=C-H"# bonds, and they have a stretching vibration in the region between #"3100 cm"^"-1"# and #"3000 cm"^"-1"#.

Thus, we should expect to see a sharp peak to the left of #"3000 cm"^"-1"#.

The infrared absorption spectrum of 4-methylcyclohexene has a sharp absorption peak at #"3063 cm"^"-1"#

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