Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry and Computational Chemistry


Solute-Solvent Dielectric Effects on PAM 120

Author(s): Fereshteh Naderi, Maryam Hooshyari, Fatemeh Mollaamin, Majid Monajjemi

Quantum-chemical solvent effect theories describe the electronic structure of a molecular subsystem embedded in a solvent or other molecular environment. The solvation of biomolecules is important in molecular biology .In this theoretical study, we focus on a kind of dammarane sapogenins (PAM120). This molecule optimized in various solvent media such as heptan, carbontetrachloride, toluene, tetrahydrofurane, dichloroethane, ethanol, methanol, dimethylsulfoxide and water using the self-consistent reaction field model. This process depends on either the reaction potential function of the solvent or charge transfer operators that appear in solute-solvent interaction. We performed nonempirical quantum-mechanical calculations at the HF/3-21G, 6-31G , 6-31G*,6-31G** and B3LYP/6-31G** levels of theory in the gas phase and some solvents at 298K.We studied energy ,dipole moment ,charge and so on.

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