Table 6 Assignments of the different bending CO-NH band modes.

From: Anticorrosion and antimicrobial performance of extracted and fractionated phytochemicals of terminalia bentzoe leaves

Wave number (Cm− 1)

Transmittance

Assignments

ME

n-BF

QF

3447b

0.019

0.064

0.218

Asymmetric stretching for NH in NH2 group

3227b

0.055

0.099

0.288

1524w

0.648

0.693

0.834

The symmetric stretching vibrations of (C = O) group in amide

1215sh

0.423

0.468

0.772

The symmetric stretching vibrations of (C-N) group in amide

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