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

Figure 14

Plots of 𝜈(C–F)^a versus t°C for d₆-DNTBN in CCl₄. ^aBand attribution is given in Table 5.

(a) Band at 1280 cm⁻¹

(b) Band at 1190 cm⁻¹

(c) Band at 1142 cm⁻¹

(d) Band at 1090 cm⁻¹