Reference

Electronic absorption spectra of 2-amino-3,5-dichloro-2,6-difluoropyridine and 2-hydroxy-5-nitropyridine

Electronic absorption spectra of 2-amino-3,5-dichloro-2,6-difluoropyridine and 2-hydroxy-5-nitropyridine. Kumar, Praveen; Sharma, S. D.In this study， 5418-51-9 and 186824-38-4 are also used. (Dep. Physics, D.N. (P.G.) College, Meerut, India). Asian Journal of Chemistry, 8(4), 792-798 (English) 1996 Asian Journal of Chemistry. CODEN: AJCHEW. ISSN: 0970-7077. DOCUMENT TYPE: Journal CA Section: 73 (Optical, Electron, and Mass Spectroscopy and Other Related Properties) The near UV absorption spectra of 2-amino-3,5-dichloro-2,6-difluoro pyridine and 2-hydroxy-5-nitropyridine in the vapor phase were recorded on Beckman DK-2A and a detailed vibronic anal. is presented. They exhibit one band system corresponding to 1A1g ? 1B1u (2100 ?) transition and two systems of bands arising from 1A1g ? 1B2u (2600 ?) and 1A1u (2100 ?). Transition of benzene was identified for 2-amino-3,5-dichloro-2,6-difluoropyridine and 2-hydroxy-5-nitropyridine. The spectra were analyzed assuming Cs point group for each mol. The assignments were interpreted in terms of ground and excited state fundamental frequencies to the probable modes of vibration. The correlation to the IR fundamentals for both the mols. and the red shift of 0, 0 bands also were presented. .