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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 551 (1987), S. 61-66 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On 3d-Element AroxidesTHF adducts of CuCl2, CoCl2, and CrCl3 react with phenol, substituted phenols, and 2-naphthol in presence of NaNH2 or triethylamine giving the corresponding metal aroxides. Cu(OC6H5)2 · DMF and Fe(OC6H5)2 · DMF are electrochemical synthesized. The magnetic, spectroscopic, and thermal behaviour of these compounds have been investigated.
    Notes: Die Tetrahydrofuranaddukte des CuCl2, CoCl2 und CrCl3 reagieren mit Phenol, substituierten Phenolen und 2-Naphthol bei Gegenwart von NaNH2 bzw. Triethylamin zu den entsprechenden Metallaroxiden. Cu(OC6H5)2 · DMF Fe(OC6H5)2 · DMF werden auf elektro-chemischem Wege synthetisiert. Die magnetischen, spektroskopischen und thermischen Eigenschaften dieser Komplexe werden untersucht.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 10 (1987), S. 41-42 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary columns ; PCDD's ; PCDF's ; Adsorption phenomena ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 331 (1989), S. 631-636 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Liquid Crystalline 1,3,4-Thiadiazoles. II. 1,3,4-Thiadiazoles with CyclohexanefragmentsPreparation and liquid crystalline properties of disubstituted 1,3,4-thiadiazoles (1 and 2) are described. The mesomorphic behaviour of the title compounds is compared with their benzoate analogues. The dielectric anisotropy of these compounds is negative.
    Additional Material: 3 Ill.
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 578 (1989), S. 18-26 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Neutron Diffraction on Li2CuO2Li2CuO2 was investigated by neutron powder diffraction at 300 K and 4.2 K (diffractometer SV7 at FRJ-2 in KFA Jülich, λ = 109 pm).The crystallographic orthorhombique space group Immm determined previously by x-ray diffraction on single crystals was confirmed. Lattice parameters and atomic positional parameters were refined: a = 366.14(8), b = 286.14(6), c = 939.4(2) pm; z(Li) = 0.7122(17), z(O) = 0.6411(7).Li2CuO2 orders antiferromagnetically below 10 K with an antiparallel coupling of the magnetic moments of Cu2+ in (0, 0, 0) and (1/2, 1/2, 1/2). The moments are orientated perpendicular to the c-axis. The ordered magnetic moment is μ = 0.9(1) μB per Cu2+ at 4.2 K. The magnetic Bravais-Lattice is PI, the magnetic space group is PImmm with similar parameters.
    Notes: Li2CuO2 wurde mit Neutronenpulverdiffraktometrie bei 300 K und 4,2 K untersucht (Diffraktometer SV7 am FRJ-2 in KFA Jülich, λ = 109 pm).Die aus Röntgen-Einkristalldaten bestimmte orthorhombische Raumgruppe Immm wurde bestätigt, Gitterkonstanten und Atompositionsparameter wurden verfeinert: a = 366,14(8), b = 286,14(6), c = 939,4(2) pm; z(Li) = 0,7122(17), z(O) = 0,6411(7).Unterhalb von 10K ordnet Li2CuO2 antiferromagnetisch mit einer antiparallelen Einstellung der magnetischen Momente von Cu2+ in (0, 0, 0) und (1/2, 1/2, 1/2). Die Momentorientierung ist senkrecht zur c-Achse. Das geordnete magnetische Moment beträgt μ = 0,9(1) μB pro Cu2+ bei 4,2 K. Das magnetische Bravais-Gitter ist PI, die magnetische Raumgruppe bei gleichen Gitterkonstanten PImmm.
    Additional Material: 4 Ill.
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