Dipole moments of substituted 1,1-dicyanoethylenes

Hannah Weiler-Feilchenfeld; Israel Agranat; Ernst D. Bergmann

doi:10.1039/tf9666202084

Dipole moments of substituted 1,1-dicyanoethylenes

Hannah Weiler-Feilchenfeld^*
, Israel Agranat
, Ernst D. Bergmann

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The dipole moments of a number of 2-substituted 1,1-dicyanoethylenes have been measured. The moments are explained by a combination of two effects, partial charge separation and compression of the (Chemical Equation Presented) angle. From the data obtained with ω,ω-dicyanofulvenes it is concluded that in compounds (such as I and II) pseudoaromatic structures (such as Ia and IIa) contribute to the ground state of the molecules.

Original language	English
Pages (from-to)	2084-2090
Number of pages	7
Journal	Transactions of the Faraday Society
Volume	62
DOIs	https://doi.org/10.1039/tf9666202084
State	Published - 1966

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title = "Dipole moments of substituted 1,1-dicyanoethylenes",

abstract = "The dipole moments of a number of 2-substituted 1,1-dicyanoethylenes have been measured. The moments are explained by a combination of two effects, partial charge separation and compression of the (Chemical Equation Presented) angle. From the data obtained with ω,ω-dicyanofulvenes it is concluded that in compounds (such as I and II) pseudoaromatic structures (such as Ia and IIa) contribute to the ground state of the molecules.",

author = "Hannah Weiler-Feilchenfeld and Israel Agranat and Bergmann, \{Ernst D.\}",

year = "1966",

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AU - Weiler-Feilchenfeld, Hannah

AU - Agranat, Israel

AU - Bergmann, Ernst D.

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N2 - The dipole moments of a number of 2-substituted 1,1-dicyanoethylenes have been measured. The moments are explained by a combination of two effects, partial charge separation and compression of the (Chemical Equation Presented) angle. From the data obtained with ω,ω-dicyanofulvenes it is concluded that in compounds (such as I and II) pseudoaromatic structures (such as Ia and IIa) contribute to the ground state of the molecules.

AB - The dipole moments of a number of 2-substituted 1,1-dicyanoethylenes have been measured. The moments are explained by a combination of two effects, partial charge separation and compression of the (Chemical Equation Presented) angle. From the data obtained with ω,ω-dicyanofulvenes it is concluded that in compounds (such as I and II) pseudoaromatic structures (such as Ia and IIa) contribute to the ground state of the molecules.

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Dipole moments of substituted 1,1-dicyanoethylenes

Abstract

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