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Zeitschrift für Naturforschung A

A Journal of Physical Sciences

Editor-in-Chief: Holthaus, Martin

Editorial Board: Fetecau, Corina / Kiefer, Claus

IMPACT FACTOR 2016: 1.432

CiteScore 2017: 1.30

SCImago Journal Rank (SJR) 2017: 0.403
Source Normalized Impact per Paper (SNIP) 2017: 0.632

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Volume 26, Issue 5


Über die elektronischen Energieniveaus des N-Isopropylcarbazols und seiner Radikalionen 2. Teil: Elektronenspinresonanzspektren

W. Klöpffer / G. Kaufmann / G. Naundorf
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/zna-1971-0518


Well resolved spectra have been obtained from the radical anion of N-isopropylcarbazole (NIPCA). The splitting parameters have been evaluated by simulation of the spectrum. It is shown that in accordance with HMO calculations the spin density at the nitrogen atom is very small. The poorly resolved NIPCA·+ spectrum points to a high spin density at the nitrogen atom. The mean square zero field splitting parameter of NIPCA is identical with that reported for carbazole.

About the article

Received: 1971-02-18

Published Online: 2014-06-02

Published in Print: 1971-05-01

Citation Information: Zeitschrift für Naturforschung A, Volume 26, Issue 5, Pages 897–900, ISSN (Online) 1865-7109, ISSN (Print) 0932-0784, DOI: https://doi.org/10.1515/zna-1971-0518.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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