Experimental and Theoretical Studies on the Corrosion Inhibition of Brass in Hydrochloric Acid by N-(4-((4-Benzhydryl Piperazin-1-yl) Methyl Carbamoyl) Phenyl) Furan-2-Carboxamide

Table 7

FT-IR analysis of brass in 1 M HCl, BFC, and brass in 1 M HCl with BFC.

FT-IR peak values			Possible groups
Brass in 1 M HCl ()	BFC()	Brass in 1 M HClwith BFC ()
3732.61	- - - -	- - - -	υ O-H
- - - -	3265.23	3329.56,; 3216.55	2^0 Amine
- - - -	3058.43,; 3029.27	3045.61	C-H asymmetric stretch
- - - -	- - - - -	- - - -	C-H symmetric stretch
2901.86	2942.37,; 2808.24,; 2757.98,; 2698.24	2926.13,; 2854.75	δ HOH
1695.73 1601.77	- - - -	1602.11	Absorbed moisture
- - - -	1663.37	- - - -	C=O
- - - -	1591.86	1560.35	Amide I band
- - - -	1534.85,; 1472.72		Amide II band
1394.65	- - - - -	1382.62	δ OH
- - - -	1335.60	- - - - - -	Furan ring
1268.12	1188.58
- - - -	1138.76		C-H
	1027.34	1032.87
800.14	- - - - -	- - - -	γ OH
- - - -	841.92	688.81,; 582.77	Amine wag