An investigation of vibrational analysis, thermodynamics properties and electronic properties of Formaldehyde and its stretch by substituent acetone, acetyl chloride and methyl acetate using first principles analysis. BIBECHANA [Internet]. 2024 Mar. 8 [cited 2026 Jul. 7];21(1):23-36. Available from: https://nepjol.info/index.php/BIBECHANA/article/view/58684