From: Design of optimal solvent for extraction of bio–active ingredients from six varieties of Medicago sativa
Vibration mode (cm–1)
stretching
bending
ϑ(C=C)
δ(=C–H)
δ(–C–H)
1657 s
1301 m
1264 w
1302 m
1265 m
1657vs
1264 m
1657 vs
1265 ms