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Citation: Xu Guangzhi*, Zhou Jianwei, Tang Youqi. APPLICATION OF SPIN TRAPPING TECHNIQUE TO PHOTOLYSIS OF COMPOUNDS Ph₃M (M=N, P, As, Sb, Bi)[J]. Acta Physico-Chimica Sinica, ;1985, 1(01): 6-11. doi: 10.3866/PKU.WHXB19850102 shu

APPLICATION OF SPIN TRAPPING TECHNIQUE TO PHOTOLYSIS OF COMPOUNDS Ph₃M (M=N, P, As, Sb, Bi)

1.
Institute of Chemistry, Academia Sinica, Beijing; Department of Chemistry, Peking University

Received Date: 18 June 1984
Available Online: 15 February 1985

Active intermediates in the photolysis processes of compounds Ph_3M (M=N, P, As, Sb, Bi) have been studied with the combination of spin trapping technique, column chromatography and ESR spectrascopy. From the hyperfine structures of the ESR spectra of the spin adducts formed between active intermediates and spin trapping reagents such as phenyl tert-butyl nitrone (PBN), nitrosobutane(t-BuNO) or nitrosodurene (ND), the free radical Ph. has been identified in the photlysis of Ph_3M (M= P, As, Sb, Bi) and Ph_2M·+Ph·. As the average bond energies of Ph—M decrease in the order Pb—P>Ph—As>Pb—Sb>Ph—BiPh_2M· (M=As, Sb, Bi) decompose much easy than that of Ph_2P·, so they could not be observed in out experiment.
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沈阳化工大学材料科学与工程学院沈阳 110142

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APPLICATION OF SPIN TRAPPING TECHNIQUE TO PHOTOLYSIS OF COMPOUNDS Ph3M (M=N, P, As, Sb, Bi)

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APPLICATION OF SPIN TRAPPING TECHNIQUE TO PHOTOLYSIS OF COMPOUNDS Ph₃M (M=N, P, As, Sb, Bi)