An infrared spectrum of a mixture of methyl amine, CH3−NH2, and methylene imine, CH2=NH2, displayed absorptions at 1050 and 1640 cm−1cm−1, among others. Which of these two absorptions would you expect belongs to the C−N and which to the C=N stretch?

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Chapter1: Chemical Foundations
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An infrared spectrum of a mixture of methyl amine, CH3−NH2, and methylene imine, CH2=NH2, displayed absorptions at 1050 and 1640 cm−1cm−1, among others.

Which of these two absorptions would you expect belongs to the C−N and which to the C=N stretch?    

 

-1
1050 cm
-1
belongs to C – N stretch, 1640 cm
belongs to C =N stretch
-1
-1
1640 cm
belongs to C – N stretch, 1050 cm
belongs to C =N stretch
Transcribed Image Text:-1 1050 cm -1 belongs to C – N stretch, 1640 cm belongs to C =N stretch -1 -1 1640 cm belongs to C – N stretch, 1050 cm belongs to C =N stretch
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