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  • 1
    Electronic Resource
    Electronic Resource
    Diethyl N,N'-(Naphthalene-1,8-diyl)dioxamate (1998)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 54 (1998), S. 1858-1859 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270198009652
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  • 2
    Electronic Resource
    Electronic Resource
    Di-μ-bromo-bis[bromo(η6-para-cymene)ruthenium(II)] benzene solvate and di-μ-iodo-bis[(η6-para-cymene)iodoruthenium(II)] toluene solvate (1999)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 2030-2032 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270199010410
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Ab Initio Structure Determination of Ammonium Hydrogen Alkyl Phosphates from X-ray Powder Diffraction Data (1998)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 54 (1998), S. 478-484 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The structures of three ammonium hydrogen alkyl phosphates, NH4PO2(OH)(OR) [R = Me (1), Et (2), Pri (3)], have been solved ab initio from X-ray powder diffraction data. The structure determinations were based on Patterson search methods combined with difference-Fourier techniques and the refinement was carried out using Rietveld methods. Powder diffraction data were first collected for all three compounds in the reflection mode using Cu Kα1+α2 radiation. A pronounced preferred orientation effect was found for all the samples, even by side-loading into a flat sample holder. A random orientation of the powder particles was obtained for (1) using a special suspension chamber for the sample preparation, while for (2) and (3) data were remeasured in capillaries using the transmission mode. Crystals of the ammonium hydrogen methyl phosphate (1) and the ammonium hydrogen ethyl phosphate (2) both belong to the monoclinic space group P21/c, Z = 4, with a = 9.9645 (4), b = 7.1801 (3), c = 7.8897 (3) Å and β = 96.243 (3)° for (1), and a = 12.6453 (4), b = 7.1502 (2), c = 7.9738 (2) Å and β = 108.875 (2)° for (2). The ammonium hydrogen isopropyl phosphate (3) crystallizes in space group An, Z = 4, with a = 6.2475 (2), b = 29.3825 (6), c = 4.6305 (1) Å and β = 100.904 (2)°. All three compounds are characterized by an extended hydrogen-bonding network involving the hydrogen phosphate units and the ammonium ions, forming double layers. The methyl (1), ethyl (2) and isopropyl groups (3), which point into the interlayer space, connect the layers by van der Waals interactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108768197015589
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  • 4
    Electronic Resource
    Electronic Resource
    1,4-Diazabuta-1,3-dien-N-Sulfinylamin-Nickel(0)-Komplexe (1994)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 926-930 
    Details
    ISSN: 0044-2313
    Keywords: Nickel(0) complexes ; 1,4-diazabuta-1,3-diene ; N-sulfinylamine ligands ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 1,4-Diazabuta-1,3-Diene-N-Sulfinylamin Nickel(0) ComplexesSynthesis, properties, and reactions of 1,4-diazabuta-1,3-diene-N-sulfinylamine nickel(0) complexes are described. The highly coloured and extremely air and moisture sensitive nickel(0) complexes have been characterized by means of i.r. and 1H n.m.r.spectroscopy. The N-sulfinylamine ligands are η2-(S,N)-side on coordinated.
    Notes: Synthese, Eigenschaften und Reaktionen von 1,4-Diazabuta-1,3-dien-N-sulfinylamin-nickel(0)-Komplexen des Typs Ni(DAB)(RNSO) (R = Ph, p-Tol, Cy) werden beschrieben. Die Charakterisierung der diamagnetischen, intensiv farbigen und extrem oxidations- und feuchtigkeitsempfindlichen Nickel(0)-Komplexe erfolgte mit Hilfe der IR- und 1H-NMR-Spektroskopie. Die N-Sulfinylamin-Liganden sind η2-(S,N)-side on koordiniert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19946200528
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