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Structural unit
Frequency, cm
-1
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Bending vibrations of alkenes
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Table 13.4 (p 519)
Infrared Absorption Frequencies
CH
2
RCH
CH
2
R
2
C
CHR'
cis
-RCH
CHR'
trans
-RCH
CHR'
R
2
C
910-990
890
665-730
960-980
790-840