Interaction of Nitromethane with Modified Paramagnetic Defects on a Thermochemically Activated Silica Surface期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Interaction of Nitromethane with Modified Paramagnetic Defects on a Thermochemically Activated Silica Surface

Authors:	Osokina N. Yu. Pergushov V. I. Mel'nikov M. Ya.

Affiliation:	(1) Moscow State University, Moscow, 119899, Russia

Abstract:	It was found that the interaction of the modified paramagnetic defects SiO(CH₂)_n ${text{C}}^ cdot$ H₂ (n = 0.1) with nitromethane on a thermochemically activated silica surface at 300 K results in the formation of the following nitroxyl radicals: SiO(CH₂)_nCH₂ON( ${text{O}}^ cdot$ )CH₃ and SiO(CH₂)_nCH₂N( ${text{O}}^ cdot$ )CH₃. It was suggested that these radicals are the products of two different reactions of the modified paramagnetic defects: the first results from a reaction with free nitromethane; the second, from a reaction with nitromethane bound as complexes with diamagnetic surface defects.

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