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首页> 外文期刊>Topics in Catalysis >Density-Functional Theoretical Study on the Role of Lewis and Bronsted Acid Sites on CeO2(110) Surfaces for Nitrile Hydration
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Density-Functional Theoretical Study on the Role of Lewis and Bronsted Acid Sites on CeO2(110) Surfaces for Nitrile Hydration

机译:CeO2(110)表面上路易斯和布朗斯台德酸位对腈水合作用的密度泛函理论研究

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摘要

Hydration of cyanopyridine on CeO2(110) surfaces was studied using periodic DFT+U calculations. One of two adsorption modes of 2-cyanopyridine occurs with two-point interaction which causes substrate specificity. A catalytic cycle for the hydration of 2-cyanopyridine was proposed. Cooperativity of Lewis and Br0nsted acid sites was found to stabilize the intermediates for the hydration.
机译:使用定期DFT + U计算研究了CeO2(110)表面上氰基吡啶的水合。 2-氰基吡啶的两种吸附模式之一通过两点相互作用而发生,这导致底物特异性。提出了2-氰基吡啶水合的催化循环。发现路易斯酸和布朗斯台德酸位点的协同作用稳定了用于水合的中间体。

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