Infrared and Raman spectra and thermodynamic functions of 4-methoxypyridine N-oxide

1982 ◽  
Vol 91 (2) ◽  
pp. 137-144
Author(s):  
K C Medhi
Keyword(s):  
Raman Spectra ◽  
Thermodynamic Functions ◽  
Infrared And Raman Spectra

A vibrational study of tautomerism and associations of 2-mercaptoimidazole and 2-mercaptothiazole

1989 ◽  
Vol 54 (8) ◽  
pp. 2045-2053 ◽  
Author(s):  
Jesús Perez-Peña ◽  
Melchor Gonzalez-Davila ◽  
Miguel Suarez-Tangil ◽  
Joaquin Hernandez-Brito
Keyword(s):  
Solid State ◽  
Raman Spectra ◽  
Thermodynamic Functions ◽  
Infrared And Raman Spectra ◽  
Dilute Solutions ◽  
Vibrational Study ◽  
Combination Bands ◽  
General Assignment ◽  
Hydrogen Bonded

Infrared and Raman spectra of 2-mercaptoimidazole and 2-mercaptothiazole in solid state as well as i.r. spectra of 2-mercaptothiazole in HCCl3 and CS2 0.05M solutions have been investigated. A general assignment of all the observed bands is proposed for both fundamental vibrations and for overtone and combination bands. For 2-mercaptothiazole, the thiocarbonyl-form, intermolecularly hydrogen-bonded dimers in solid state, and unassociated molecules in dilute solutions of inert solvents have been established. Finally, based on this data, thermodynamic functions have been computed.

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