Primary process(es) in the mercury-photosensitized decomposition of dimethyl ether at 2537 Å | Zendy

R. Payette | Zendy; Michèle P. Bertrand | Zendy; Yves Rousseau | Zendy

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Primary process(es) in the mercury-photosensitized decomposition of dimethyl ether at 2537 Å

Author(s) -

R. Payette,

Michèle P. Bertrand,

Yves Rousseau

Publication year - 1968

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v68-443

Subject(s) - chemistry , dimethyl ether , radical , photochemistry , ether , dissociation (chemistry) , torr , methyl radical , molecule , hydrogen , excited state , methane , mercury (programming language) , quantum yield , carbon monoxide , methanol , organic chemistry , catalysis , fluorescence , physics , quantum mechanics , computer science , nuclear physics , thermodynamics , programming language

The mercury-photosensitized decomposition of dimethyl ether has been studied at room temperature and at pressures ranging from 10 to 200 Torr.The formation of an excited dimethyl ether (DME) molecule has been verified by following the rates of formation of methane, ethane, and carbon monoxide with various ether pressures.The study of the variation of the quantum yield of molecular hydrogen formation with absorbed light intensity at high ether pressures has shown that the primary process involves the dissociation of ether molecules into hydrogen atoms and methoxy methyl radicals:[Formula: see text]The results presented in this paper indicate that the excited DME molecule can originate in a radical recombination between hydrogen atoms and methoxy methyl radicals.

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