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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 316-323 
    ISSN: 0044-2313
    Keywords: Urocanic Acid ; Cobalt ; Zinc Complexes ; Crystal Structures ; IR and Raman Spectra ; Thermal Behavior ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structure, Vibrational Spectra, and Thermal Behavior of the Cobalt(II) and Zinc(II) Complexes of Urocanic AcidThe crystal structures of [Co(Urocan)2(H2O)4] and [Zn(Urocan)2(H2O)4] (urocan = anion of 4-imidazoleacrylic acid = urocanic acid) have been solved by single-crystal X-ray diffractometry. They are isostructural and crystallize in the monoclinic space group P21/c with Z = 2. A general assignment of their vibrational (IR and Raman) spectra, compatible with the structural characteristics, is proposed. The thermal behavior of both complexes was investigated by means of TG and DTA methods.
    Notes: Die Kristallstrukturen von [Co(Urocan)2(H2O)4] und [Zn(Urocan)2(H2O)4] (Urocan = Anion der Imidazol-4-acrylsäure = Urocaninsäure) wurden röntgenographisch an Einkristallen bestimmt. Sie sind isostrukturell und kristallisieren in der monoklinen Raumgruppe P21/c mit Z = 2. Eine Zuordnung ihrer Schwingungsspektren (IR und Raman), die mit den strukturellen Eigenschaften im Einklang steht, wird vorgeschlagen. Das thermische Verhalten beider Komplexe wurde an Hand von TG- und DTA-Messungen untersucht.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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