Studies on the Electronic Spectra of 1,4-Bis (substituted phenylethynyl)-benzene and Trans,Trans-Bis(β-substituted phenylethenyl)benzene

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (11): 1543.

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Studies on the Electronic Spectra of 1,4-Bis (substituted phenylethynyl)-benzene and Trans,Trans-Bis(β-substituted phenylethenyl)benzene

HUAN Zhen-Wei, PAN Yin-Ming, TANG Jian-Sheng, CHEN Lan, LI Hua, GAO Zhen-Heng

Department of Chemistry, Nankai University, Tianjin, 300071

Received:1992-12-19 Revised:1993-05-16 Online:1993-11-24 Published:1993-11-24

Abstract

Abstract: The Ultra-Violet absorption spectra and the fluoresence emission spectra of 1,4-bis (substituted phenylethynyl) benzene (Ⅰ) and trans, trans 1, 4-bis (substituted phenylethenyl) benzene (Ⅰ) were determined.The excited energies of phenylacetylene, diphenylacetylene, Ⅱ, styrene, stilbene, and Ⅱ were computed using CNDO/S-CIand HMOmethods.The influences of the structures of the compounds on spectra were discussed.

Key words: 1,4-Bis (substituted phenylethynyl) benzene, Trans, trans 1,4-bis (β-substituted phenylethenyl)benzene, UV spectra, Fluorescence spectra, CNDO/S-CI and HMO methods

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HUAN Zhen-Wei, PAN Yin-Ming, TANG Jian-Sheng, CHEN Lan, LI Hua, GAO Zhen-Heng . Studies on the Electronic Spectra of 1,4-Bis (substituted phenylethynyl)-benzene and Trans,Trans-Bis(β-substituted phenylethenyl)benzene[J]. Chem. J. Chinese Universities, 1993, 14(11): 1543.

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Studies on the Electronic Spectra of 1,4-Bis (substituted phenylethynyl)-benzene and Trans,Trans-Bis(β-substituted phenylethenyl)benzene

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