Mechanistic study of the decomposition reactions of azobenzene |
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Authors: | Dunja Srzic Mladen
ini Zlatko Mei Gbor Czira Jzsef Tains |
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Institution: | Dunja Srzic,Mladen ?ini?,Zlatko Mei?,Gábor Czira,József Tainás |
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Abstract: | The electron impact-induced fragmentation of azobenzenes and its d1, d2, d5, d10, and 15N analogues was studied by mass Spectrometry and ion kinetic energy spectroscopy. The main fragment ions found in the mass spectrum of azobenzene are due to two parallel stepwise processes from the molecular ion: the expulsion of N2 and two hydrogen radicals producing an ion at m/z 152 having possibly a biphenylene radical cation structure and loss of C6H5? and N2. Except in the elimination of two hydrogen atoms from M ? N2]+· ions, hydrogen scrambling between the phenyl rings does not feature in azobenzene upon electron impact. |
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