Synthesis, Crystal Structure, and Comparative Study of a New Organic Material 3,4-Diaminobenzophenone Semihydrate

Table 4

Calculated and experimental IR bands.

Calculated frequencies (cm^−1)	Experimental frequencies (cm^−1)	Attribution
3991; 3862	3600	Stretching (O–H)
3520; 3392	3380; 3190	Stretching (N–H)
3058	3000	Stretching (C–H)
1945	1728	Stretching (C=O)
1790	1550–1700	Stretching (C=C)
1748	1512	Bending (O–H)
1688	1447	Bending (N–H)
1242–1628	1200–1330	Stretching (C=C), (C–N)
500–1150	500–1150	Bending (C–H), (N–H)