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Crystal structure and spectroscopic study on photochromism of 1,3-diphenyl-4-(4′-fluoro)benzal-5-pyrazolone N(4)-phenyl semicarba-zone

✍ Scribed by Hui Chai; Guangfei Liu; Lang Liu; Dianzeng Jia; Zaiping Guo; Jianping Lang

Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 358 KB
Volume: 752
Category: Article
ISSN: 0022-2860
DOI: 10.1016/j.molstruc.2005.04.047

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✦ Synopsis

A novel compound 1,3-diphenyl-4-(4 0 -fluoro)benzal-5-pyrazolone N(4)-phenyl semicarbazone (DP4FBP-PSC) has been synthesized. X-ray single crystal structure analysis shows that the compound has interlaced structure linked by intermolecular hydrogen bonds. The results of fluorescence emission spectroscopy, UV-Vis reflection spectroscopy and the reaction rate constant indicate that DP4FBP-PSC is photochromic material. Its photochromic mechanism was investigated by structure analysis.

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