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Studies on the solvatochromism of Fe(CN)2(phen)2

Untersuchung zur Solvatochromie von Fe(CN)2(phen)2

  • Anorganische Und Physikalische Chemie
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Summary

The influence of organic solvents on the electronic spectra of Fe(CN)2(phen)2 has been investigated by trichromatic colorimetry. The color parameters of these solutions have been calculated on the basis of the absorption spectra and are described in the CIE and CIELAB color spaces. It has been shown that one of the parameters (the so-called hue angle) could be related to some acidity parameters of solvents. Thus, it is possible to calculate the hue angle and, therefore, to predict the color of solution if the solvent acceptor number is known, or vice versa.

Zusammenfassung

Der Einfluß organischer Lösungsmittel auf die UV-Spektren von Fe(CN)2-(phen)2 wurde mittels trichromatischer Kolorimetrie untersucht. Die Farbparameter der Lösungen wurden aus den Absorptionsspektren berechnet und werden in den CIE- und CIELAB-Farbräumen beschrieben. Es konnte gezeigt werden, daß einer der Farbparameter (der sogenannte Farbtonwinkel) zu den Aciditätsparametern des jeweiligen Lösungsmittels in Beziehung gesetzt werden kann. Es ist daher z.B. möglich, die Farbe der Lösung vorherzusagen, wenn die Akzeptorzahl des Lösungsmittels bekannt ist und umgekehrt.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry and Metallurgy of Rare Elements, Technical University of Wrocław, PL-50370, Wrocław, Poland

    T. Tłaczała & A. Bartecki

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  1. T. Tłaczała
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  2. A. Bartecki
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Tłaczała, T., Bartecki, A. Studies on the solvatochromism of Fe(CN)2(phen)2 . Monatsh Chem 128, 225–234 (1997). https://doi.org/10.1007/BF00807888

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  • DOI: https://doi.org/10.1007/BF00807888

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