ChemInform Abstract: SPECTROSCOPIC AND THERMODYNAMIC STUDIES OF UNSATURATED NITRILE COMPOUNDS. 1. THE INFRARED AND RAMAN SPECTRA, STABLE CONFORMATION, AND VALUES FOR THE IDEAL GAS THERMODYNAMIC FUNCTIONS OF CIS-2-PENTENENITRILE

1981 ◽  
Vol 12 (23) ◽  
Author(s):  
D. A. C. COMPTON ◽  
W. F. MURPHY
Keyword(s):  
Raman Spectra ◽  
Thermodynamic Functions ◽  
Ideal Gas ◽  
Infrared And Raman Spectra ◽  
Stable Conformation ◽  
Thermodynamic Studies ◽  
Unsaturated Nitrile ◽  
The Ideal

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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