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teer decrease » mean decrease (Expand Search), greater decrease (Expand Search)
nn decrease » _ decrease (Expand Search), mean decrease (Expand Search), gy decreased (Expand Search)
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Ab Initio Prediction of Proton Exchange Barriers for Alkanes at Brønsted Sites of Zeolite H‑MFI
Published 2018“…A change to the indirect proton exchange mechanism, in which a hydride ion is transferred between the alkane and a <i>tert</i>-butyl carbenium ion can be excluded, because we confirm previous findings that the barrier for dehydrogenation that would create a <i>tert</i>-butyl cation from <i>i</i>-butane is much too high, 188 and 132 kJ/mol for the intrinsic and apparent enthalpy barriers, respectively, at 500 K. …”