Table 1: The wave numbers of selected bands occurring in spectra of studied compounds.

Spectral regionSamples studied
oillard2 hours mixture4 hours mixture6 hours mixture
VN/cm–1IntensityVN/cm–1IntensityVN/cm–1IntensityVN/cm–1IntensityVN/cm–1Intensity

3200–28003010vs3010vs3010vs3010vs3010vs
2058vs2058vs2058vs2058vs2058vs
2928vs2928vs2928vs2928vs2928vs
2855vs2855vs2855vs2855vs2855vs

1800 –16001746vs1746vs1746vs1746vs1746vs
1712s1712s1712s

1480 – 14501466m1466m1466m
1459vw1457w1457m

< 11001099m1099w
1030m1030w
1047w
943w
634w

VN: wave number, vs: very strong, s: strong, m: medium, w: weak, and vw: very week.