Investigation of Benzimidazole Derivates as Corrosion Inhibitor by DFT

  • TÜZÜN B
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Abstract

Benzimidazole derivates are investigated the activity of corrosion inhibitor molecules.In quantum chemical calculation, different parameters such as EHOMO, ELUMO, ∆E (HOMO-LUMO energy gap), electronegativity, chemical hardness, global softness, nucleophilicity are calculated by Gaussian 09 software. Studied molecules were performed using the Hartree-Fock (HF) and Becke, 3-parameter, Lee-Yang-Parr (B3LYP) method with sdd, cep-4g, 3-21G, 6-31G, 6-31++G, lanl2dz basis set in gas and aqueous phase. We can see the corrosion inhibitor ranking as: 4NPBI > 4APBI > 2NPBI > 2APBI > 4BPBI > 4MPBI > 4CPBI > PBI in B3lyp method with sdd and lanl2dz.Benzimidazol türevleri, korozyon önleyici moleküllerin aktivitesini araştırıldı. Kuantum kimyasal hesaplamasında, EHOMO, ELUMO, ∆E (HOMO-LUMO enerji aralığı), elektronegatiflik, kimyasal sertlik, global yumuşaklık, nükleofilik gibi farklı parametreler gaussian 09 yazılımı ile hesaplandı. Çalışılan moleküller, Hartree-Fock (HF) ve Becke, 3-parametre Lee-Yang-Parr (B3LYP) yöntemi kullanılarak sdd, cep-4g, 3-21G, 6-31G, 6-31 ++ G, lanl2dz temel sette gaz ve sulu fazda hesaplamaları yapıldı. Korozyon inhibitörü sıralamasını aşağıdaki gibi görebiliriz: 4NPBI> 4APBI> 2NPBI> 2APBI> 4BPBI> 4MPBI> 4CPBI> PBI, b3lyp metodunda lanl2dz ve sdd settinde.

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APA

TÜZÜN, B. (2019). Investigation of Benzimidazole Derivates as Corrosion Inhibitor by DFT. Cumhuriyet Science Journal, 40(2), 396–405. https://doi.org/10.17776/csj.412611

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