Theoretical determinations of ionization potentials of dopamine |
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Authors: | J. F. Lu Z. Y. Yu |
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Affiliation: | 1567. Department of Chemistry and Chemical Engineering, Heze University, Shandong, Heze, 274015, People’s Republic of China
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Abstract: | Adiabatic and vertical ionization potentials (IPs) of nine conformers of dopamine in the gas phase are determined using density functional theory (DFT) B3LYP, B3P86, B3PW91 methods and high level ab initio HF method with 6-311++G** basis set, respectively. And the nine stable cationic states have been found in the ionization process of dopamine. Vertical ionization potentials of nine conformers of dopamine are calculated using the older outer-valence Green’s function (OVGF) calculations at 6-311++G** basis set. Vibrational frequencies and infrared spectrum intensities of G1b and G1b+ at B3LYP/6-311++G** level are discussed. |
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