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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 127 (1996), S. 801-810 
    ISSN: 1434-4475
    Keywords: Vanadyl(IV). Benzylmalonato complex ; IR ; Raman ; ESR ; Electronic spectra ; Thermal behaviour
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary The sodium, ammonium, and lead(II) salts of the novel vanadyl(IV) complex bis(benzylmalonato)aquaoxovanadium(IV) have been prepared for the first time. They were characterized by means of electronic, IR, Raman and ESR spectroscopy. The thermal behaviour of the salts was investigated using TG and DTA methods.
    Notes: Zusammenfassung Die Natrium-, Ammonium- und Blei(II)-Salze des neuen Vanadyl(IV)-KomplexesBis(benzylmalonato)aquaoxovanadium(IV)wurden erstmalig dargestellt und mittels Elektronen-, IR-, Raman- und ESR-Spektroskopie characterisiert. Das thermische Verhalten dieser Salze wurde anhand von TG- und DTA-Messungen untersucht.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 124 (1993), S. 355-366 
    ISSN: 1434-4475
    Keywords: Vanadyl(IV) saccharinate ; IR spectra ; Electronic spectra ; Magnetic and thermal behaviour
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The synthesis of a new vanadyl(IV)/saccharin complex is reported. Its bonding characteristics differ considerably from all known divalent metal-saccharinates. In this complex a VO(OH)+ moiety is coordinated to a saccharin molecule through its carbonyl oxygen and to a saccharinate ion through its deprotonated nitrogen. Two water molecules complete the coordination sphere. X-ray powder diagrams, infrared- and electronic absorption-spectra were recorded and analyzed for the characterization of the compound and its coordination properties. Besides, the magnetic susceptibility and the thermal behaviour were also investigated.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 57 (1999), S. 595-598 
    ISSN: 1572-8943
    Keywords: DTA ; halogenated oxines ; oxovanadium(IV) ; TG
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The thermal behaviour of a series of oxovanadium(IV) complexes of halogenated derivatives of 8-hydroxyquinoline was investigated by means of TG and DTA measurements in oxygen atmosphere. V2O5 was the final pyrolysis residue in all cases.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 61 (2000), S. 29-35 
    ISSN: 1572-8943
    Keywords: lithium drugs ; thermal decomposition ; thermal stability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The thermal decompositions of a series of simple lithium compounds (carbonate, sulfate, acetate, citrates, aspartates and glutamates) currently used in the treatment of manic-depressive psychosis and related disorders were investigated by means of TG and DTA measurements in oxygen atmosphere. Pyrolysis residues were characterized by infrared spectroscopy. The stabilities of the hydrates and intermediate phases generated during the degradation processes are discussed.
    Type of Medium: Electronic Resource
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  • 5
    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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  • 6
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 23 (1992), S. 489-494 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The infrared and Raman spectra of vanadyl(IV) tetraphenylporphyrin were recorded between 1600 and 200 cm-1. Assignment of most of the vibrational modes was done by comparison with other related compounds. The V—N and V=O metal - ligand vibrations could be clearly identified. Pre-resonance experiments were performed, using different radiation from an argon ion laser, in the energy range between the main electronic transitions of the complex [the Soret band and the (α + β) doublet]. Analysis of the excitation profiles suggests that all the enhanced bands contribute to both the A and B terms of Albrecht's equation.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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