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Azuxe Tullatif
Universitas Andalas
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Mempelajari Senyawa Mirisitrin Dengan Penambahan Substituen NH2, NO2, dan CH3 Sebagai Inhibitor Korosi Menggunakan Metode Density Fuctional Theory (DFT) Azuxe Tullatif
CHEMPUBLISH JOURNAL Vol. 5 No. 2 (2020): Chempublish Journal
Publisher : Universitas Jambi, Fakultas Sains dan Teknologi, Program Studi Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v5i2.11347

Abstract

Corrosion inhibition ability myricitrin compound (M1) with the addition of NH2 (M2), NO2 (M3), and CH3 (M4) on the metal surface has been studied using Fuctional Density Theory (DFT) with a base set of B3LYP / 6-31G (d, p). Parameters obtained from the optimization result are the value EHOMO, ELUMO and dipole moment. Of the value EHOMO and ELUMO obtained and calculated the value of the energy gap (AE), ionization potential (IP), electron affinity (EA), electronegativity (χ), hardness (η), softness (σ), electron transfer (ΔN), and electrophilicity (ω). Computational calculations show that the compound M4 has the best corrosion inhibition ability. Based on the value EHOMO, the energy gap (AE), ionization potential (IP), hardness (η), softness (σ) and electron transfer (ΔN). Keywords: DFT, Corrosion Inhibition, EHOMO, ELUMO
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