1,721,127 research outputs found
Mechanistic Aspects of Gas-Phase Hydrogen-Atom Transfer from Methane to [CO].+ and [SiO].+: Why Do They Differ?
No full textThe reactivity of the two diatomic congeneric systems [CO].+ and [SiO].+ towards methane has been investigated by means of mass spectrometry and quantum-chemical calculations. While [CO].+ gives rise to three different reaction channels, [SiO].+ reacts only by hydrogen-atom transfer (HAT) from methane under thermal conditions. A theoretical analysis of the respective HAT processes reveals two distinctly different mechanistic pathways for [CO].+ and [SiO].+, and a comparison to the higher metal oxides of Group 14 emphasizes the particular role of carbon as a second-row p element
The Diamond Within a Silicon Analog of Cyclobutadiene
No full textThe distinctive rhombic structure of the central ring of a stable silicon analog of cyclobutadiene provides new insights into antiaromaticity.</jats:p
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