Conformational structure and vibrational spectra of 2,4-dichloro-2,4-dimethylpentane and 4-chloro-2,2,4-trimethylpentane

1971 ◽  
Vol 36 (5) ◽  
pp. 1923-1932 ◽  
Author(s):  
J. Štokr ◽  
S. Dirlikov ◽  
B. Schneider
Keyword(s):  
Vibrational Spectra ◽  
Conformational Structure

Conformational structure of ethylene glycol dibenzoate. Vibrational and NMR spectra

1981 ◽  
Vol 46 (8) ◽  
pp. 1913-1929 ◽  
Author(s):  
Bohdan Schneider ◽  
Pavel Sedláček ◽  
Jan Štokr ◽  
Danica Doskočilová ◽  
Jan Lövy
Keyword(s):  
Ethylene Glycol ◽  
Vibrational Spectra ◽  
Nmr Spectra ◽  
Coupling Constants ◽  
Conformational Structure ◽  
Infrared And Raman Spectra ◽  
H Nmr ◽  
Liquid States ◽  
Crystalline Forms ◽  
C Nmr

It was found that three crystalline forms of ethylene glycol dibenzoate can be prepared. Infrared and Raman spectra of these three forms, as well as of the glassy and liquid states, were measured. From 3JHH coupling constants obtained by analysis of the 13C satellite band of the -CH2- group in 1H NMR spectra, and from the 3JCH coupling constants of the -CO.O.CH2- fragment obtained by analysis of the carbonyl band in 13C NMR spectra it was found that in the liquid state the -CH2-CH2- group exists predominantly in the gauche conformational structure, and the bonds C-O-C-C assume predominantly a trans orientation. The results of the analysis of NMR and vibrational spectra were used for the structural interpretation of conformationally sensitive bands in vibrational spectra of ethylene glycol dibenzoate.

Analysis of NMR and Vibrational Spectra and Conformational Structure of Stereoisomers of 2,4,6-Trichloroheptane

2007 ◽  
Vol 16 (1) ◽  
pp. 215-228 ◽  
Author(s):  
D. Doskočilová ◽  
J. Štokr ◽  
B. Schneider ◽  
H. Pivcová ◽  
M. Kolinsky ◽  
...  
Keyword(s):  
Vibrational Spectra ◽  
Conformational Structure

Vibrational spectra, dipole moments, and conformational structure of araliphatic diacyl peroxides

1984 ◽  
Vol 40 (2) ◽  
pp. 166-170
Author(s):  
I. P. Zyat'kov ◽  
R. Shuster ◽  
A. I. Stankevich ◽  
G. A. Pitsevich
Keyword(s):  
Vibrational Spectra ◽  
Dipole Moments ◽  
Conformational Structure

Vibrational spectra and conformational structure of polythiophene

1990 ◽  
Vol 52 (6) ◽  
pp. 633-637 ◽  
Author(s):  
O. S. Roshchupkina ◽  
L. M. Gol'denberg ◽  
I. V. Nazarova ◽  
V. A. Dement'ev ◽  
I. E. Davidova
Keyword(s):  
Vibrational Spectra ◽  
Conformational Structure
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