Synthesis and Study of Chemical, Thermal, Mesomorphic, and Optical Properties of Terphenyls Modified with Nitrile Groups

Table 1

FTIR bands of terphenyls as identified elsewhere [17–27].

Vibration	Bond	cm^−1
A. Stretching	C-H (aromatic)	2910
B. Stretching	C-H (aliphatic)	2860
C. Stretching	C≡N	2210
D. Annular stretching	C=C	1600 and 1455
E. Asymmetric stretching	C-O-C	1245
F. Out of plane	C-H	800