The dipole moments of the six isomeric trans-1,2-dipyridyl-ethylenes were measured in benzene at room temperature. As some dipyridyl-ethylenes can exist in several different conformations the dipole moments are mean values for all conformations. It is shown that the dipole moments of the individual conformations can be computed of the dipole moment vectors of the pyridine nuclei.
Received: 1970-5-4
Published Online: 2014-6-2
Published in Print: 1970-9-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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