Rotational isomerism in propargyl formate as studied by infrared and microwave spectroscopy

1975 ◽  
Vol 71 ◽  
pp. 1330 ◽  
Author(s):  
Geraint I. L. Jones ◽  
David G. Lister ◽  
Noel L. Owen
Keyword(s):  
Microwave Spectroscopy ◽  
Rotational Isomerism

Rotational Isomerism and the Orientation of the Total Dipole Moment

1980 ◽  
Vol 35 (7) ◽  
pp. 748-756 ◽  
Author(s):  
Ivan Botskor
Keyword(s):  
Experimental Data ◽  
Dipole Moment ◽  
Gas Phase ◽  
Dipole Moments ◽  
Microwave Spectroscopy ◽  
Rotational Isomerism ◽  
Total Dipole Moment

A method for determining the orientation of the total dipole moments of distinct rotamers of the same molecule is discussed. Utilizing solely the experimental dipole moments obtained with microwave spectroscopy (gas phase) and an approximate structure, the orientation of the dipole moment can often be determined without use of bond moment considerations. Experimental data from nine rotamer pairs are analyzed to illustrate the method.

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