Studies on X-ray Photoelectron Spectra of Meso-ionic Compound 2-Arylamino 1,3,4-thiadiazolium-5-thiolates

Chem. J. Chinese Universities ›› 2000, Vol. 21 ›› Issue (3): 386.

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Studies on X-ray Photoelectron Spectra of Meso-ionic Compound 2-Arylamino 1,3,4-thiadiazolium-5-thiolates

ZHANG Zi-Yi¹, CHU Chang-Hu¹, SUN Xiao-Wen¹, QI Shang-Kui², LI Zhi-Chun³, LIAO Ren-An³

Department of Chemistry, National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000;
2. ChinaLaboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000;
3. ChinaState Key Laboratory of Elemento Organic Chemistry, Nankai University, Tianjin 300071, China

Received:1999-04-12 Online:2000-03-24 Published:2000-03-24

Abstract

Abstract: The structures of 2-arylamino-1,3,4-thiadiazolium-5-thiolates(4) were confirmed by Xray photoelectron spectra. The meso ionic were prepared from 2-arylamino 1,3,4-thiadiazol-5-thiones by using ω-bromo-ω-(1H-1,2,4-triazol-1-yl)acetophenone(2). The results showed that the binding energies of C_1s, N_1s , and S_2p in meso-ionic 4 are greater than those in the correspondence compounds 1, which were more obvious in N_1s and S_2p . For example, N_1s showed three signals in mesoionic 4 and only two signals and in compounds 1 because the chemical environment of thiadiazole rings two nitrogen atoms are different in₄ and same in_1. Furthermore, the additive binding energy of S_2p in ring is greater than the exocyclic one for the same mesoionic 4.

Key words: X-ray photoelectron spectra, 1,3,4-Thiazolium-2-thiolates, Meso-ionic

CLC Number:

O621

TrendMD:

ZHANG Zi-Yi, CHU Chang-Hu, SUN Xiao-Wen, QI Shang-Kui, LI Zhi-Chun, LIAO Ren-An. Studies on X-ray Photoelectron Spectra of Meso-ionic Compound 2-Arylamino 1,3,4-thiadiazolium-5-thiolates[J]. Chem. J. Chinese Universities, 2000, 21(3): 386.

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Studies on X-ray Photoelectron Spectra of Meso-ionic Compound 2-Arylamino 1,3,4-thiadiazolium-5-thiolates

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