Theoretical study on relationship between structure of mercapto-triazole derivatives and inhibition performance

Document Type

Article

Journal/Book Title

Int. J. Electrochem. Sci.

Publication Date

1-1-2012

Volume

7

First Page

7128

Last Page

7139

Abstract

Relationships between corrosion inhibition efficiency of five kinds of mercapto-triazole inhibitors and their molecular electronic properties have been theoretically studied at the level of DFT/B3LYP with 6-31+G (d, p) base sets. Calculation results are discussed using linear regression analysis to determine the most effective parameters to establish inhibition efficiency. Regression equations find inhibition performances have a good linear relationship with EHOMO and (EHOMO-ELUMO). The adsorption energies are well accorded with the reported experimental results. Finally, this research may provide a theoretical inhibition performance prediction approach for new homologous inhibitors.

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