Research Article

C–HF Hydrogen Bond and Integral Intensities of Vinyl C–H Vibtations in Push-Pull β-Dimethylaminotrifluoromethyl Ketone and Its Deuterated Analog

Table 5

Assignment of some fundamental bands in IR spectrum of d6-DMTBN (in CCl4).

Wavenumber, cm−1Assignment

3134 (EE)
3099 (EZ)
3042 (EE)
3019 (EZ)
1691 O=C–C=C(EZ)
1671 O=C–C=C(EE)
1281 CF3 + C–CF3 + C=C
1190 CF3 + δ
1142 CF3 + δ
1091δCH + CF3
855 N–CD3 + δC=C + CF3 + δ