Table 1. Contribution of the DFT-Calculated Infrared (IR) Absorption Peaks of the N-Methylacetamide Fine Components to Amide I, II, III, and A Bandsa.
Asymmetry, as; symmetry, s; vibration, ν; in-plane bending vibration, β; scissoring vibration, δ; rocking vibration, ρ; out-of-plane bending vibration, γ; wagging vibration, ω; twisting vibration ,τ; symmetrical deformation vibration, δs; asymmetrical deformation vibration, δas.