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  • 1970-1974  (1)
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    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es wurden die Derivate von Eisen-, Kobalt- und Nickel-Cyanokomplexen mit bifunktionellen Phosphonium-Kationen dargestellt und untersucht. Bei Eisen und Kobalt sind neben Phosphonium-Komplexen auch Phosphonium—Wasserstoff-Verbindungen zu erhalten. Thermische Untersuchungen ermöglichten die Aufklärung der Zersetzungsprozesse dieser Derivate. Die vermessenen υCN- und υNO-Valenzschwingungen wurden mit denen der Alkalisalze bzw. freien Säuren verglichen. Die Thermolyse der Phosphonium—Wasserstoff-Komplexe führt zu koordinativ ungesättigten isolierbaren Zwischenstufen.
    Notes: Abstract The derivatives of cyano complex compounds of iron, cobalt and nickel with bifunctional phosphonium-cations were prepared and investigated. In the case of iron and cobalt the phosphonium—hydrogen derivatives can be produced too beside those of the phosphonium-complexes. The thermal decomposition of the compounds was examined by the derivatographic method. The υCN and υNO stretching frequencies of the complexes were compared with the similar frequencies in those of the alkaline cyano complexes and their corresponding free acids. The thermal decomposition of phosphonium—hydrogen—cyanometallates leads to coordinatively unsaturated intermediates which can be prepared.
    Type of Medium: Electronic Resource
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