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2篇 您的检索式:作者名="Chen Gexin"
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1Investigation of adsorption of surfactant at the air-water interface with quantum chemistry method显示文摘Density functional theory (DFT) of quantum chemistry was used to optimize the configuration of the anionic surfactant complexes CH3(CH2)7OSO?3 (H2O)n (n=0―6) and calculate their molecular frequencies at the B3LYP/6-311+G* level. The interaction of CH3(CH2)7OSO?3 with 1 to 6 water molecules was inves-tigated at the air-water interface with DFT. The results revealed that the hydration shell was formed in the form of H-bond between the hydrophilic group of CH3(CH2)7OSO?3 and 6 waters. The strength of H-bonds belongs to medium. Binding free energy revealed that the hydration shell was stable. The in-crease of the number of water molecules will cause increases of the total charge of hydrophilic group and S10-O9-C8 bond angle,but decreases of the alkyl chain length and the bond lengths of S10-O11,S10-O12 as well as S10-O13,respectively.CHEN MeiLing WANG ZhengWu WANG HaiJun ZHANG GeXin TAO FuMing 2007Chinese Science Bulletin2007,52,11:2
2Al2O3 supported Ru catalysts prepared by thermolysis of Ru3 ( CO ) 12 for catalytic wet air oxidation 显示文摘Yu Chaoying Zhao Peiqing Chen Gexin 2011Applied surface Science2011,257,:1
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