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    題名: Reaction mechanism of hydrogenation of carbon dioxide to formic acid in the presence of scandium oxide: a density functional study
    作者: 黃德彥;Hwang, Der-yan
    貢獻者: 淡江大學化學學系
    日期: 2004-09-21
    上傳時間: 2009-12-01
    出版者: Elsevier
    摘要: Density functional calculations of potential energy surfaces in the CO2/H2/ScO(2Σ+) system have been performed to investigate the reaction mechanism of CO2 hydrogenation to formic acid in the presence of ScO. The results show that ScO can easily form a variety of complexes with CO2 and H2, complexes of CO2 with HScOH, and a highly exothermic cyc-OC(H)OScOH molecule. Although transformation of the latter to ScO + HCOOH is impeded by the high barrier for hydrogen transfer from ScOH to HCO2, it is expected to be fast in the gas phase because the transition state is only 2.3 kcal/mol higher in energy than the reactants CO2 + H2 + ScO.
    關聯: Chemical Physics Letters 396(1-3), pp.75-82
    DOI: 10.1016/j.cplett.2004.07.113
    顯示於類別:[化學學系暨研究所] 期刊論文

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