Density functional theory calculation of lipophilicity for organophosphate type pesticides
| Autor: | Saša Ivanović, Maja Gruden, Filip Vlahović, Matija Zlatar |
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| Rok vydání: | 2017 |
| Předmět: |
Implicit solvation
Type (model theory) 010402 general chemistry partition coefficient 01 natural sciences DFT lcsh:Chemistry chemistry.chemical_compound Computational chemistry lipophilicity organophosphate pesticides Chromatography log K-OW 010405 organic chemistry Chemistry Organophosphate toxicity General Chemistry Pesticide 0104 chemical sciences Partition coefficient Trustworthiness lcsh:QD1-999 log KOW Lipophilicity Density functional theory |
| Zdroj: | Journal of the Serbian Chemical Society Journal of the Serbian Chemical Society, Vol 82, Iss 12, Pp 1369-1378 (2017) |
| Popis: | Density functional method with continuum solvation model is used for calculation of partition coefficient logKOW and determination of lipophilicity of 22 most frequently used organophosphate type pesticides. Excellent agreement with experimental data is obtained using three different density functional approximations (one local, one general gradient and one hybrid), and our result highlights DFT as a reliable and trustworthy method for calculation and of lipophilicity for this important class of molecules. Furthermore, calculated lipophilicity results are associated with experimentally determined LD50 and LC50 values, showing that the most toxic pesticides are these with transient characteristics (medium lipophilicity), although this concussion must be taken with a caution due to the many factors influencing the ingestion and action of a certain substance in the body beside lipophilicity. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. OI172035 and Grant no. TR31085] |
| Databáze: | OpenAIRE |
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