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  • 1
    Electronic Resource
    Electronic Resource
    P—H-funktionalisierte Phosphanidoliganden in der Übergangsmetallchemie: Molekülstruktur von CpZr(μ-PHtBu)2(μ-PtBu)2 {Zr(μ-Cl)Cp}2Professor Roger Blachnik zum 60. Geburtstag gewidmet (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 277-280 
    Details
    ISSN: 0044-2313
    Keywords: Trinuclear zirconium complex ; phosphanido ligand ; phosphinidene ligand ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: P—H-functionalised Phosphanido Ligands in Transition Metal Chemistry: Molecular Structure of CpZr(μ-PHtBu)2(μ-PtBu)2 {Zr(μ-Cl)Cp}2The reaction of polymeric [CpZrCl3]n with solvent-free LiPHtBu yields the trinuclear ZrIII/ZrIV complex CpZr(μ-PHtBu)2(μ-PtBu)2 {Zr(μ-Cl)Cp}2 (1) in a redox reaction in low yield. The oxidation product (PHtBu)2 is observed by 31P-NMR spectroscopy. 1 crystallises tetragonal in the space group P43212 with a = 1130.5(5) pm and c = 3415.7(5) pm.
    Notes: Die Reaktion von polymerem [CpZrCl3]n mit solvatfreiem LiPHtBu liefert in einer Redoxreaktion den dreikernigen ZrIII/ZrIV-Komplex CpZr(μ-PHtBu)2(μ-PtBu)2{Zr(μ-Cl)Cp}2 (1) in geringer Ausbeute. 31P-NMR-spektroskopisch kann die Bildung des Oxidationsprodukts (PHtBu)2 gezeigt werden. 1 kristallisiert tetragonal in der Raumgruppe P43212 mit a = 1130,5(5) pm und c = 3415,7(5) pm.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976230144
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  • 2
    Electronic Resource
    Electronic Resource
    Synthese und Kristallstruktur von Bis(1,2-dimethyl-5-nitro-imidazol)dichlorocobalt(II) (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1201-1202 
    Details
    ISSN: 0044-2313
    Keywords: Cobalt(II) complex ; 1,2-dimethyl-5-nitro-imidazole ligand ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Synthesis and Crystal Structure of Bis(1,2-dimetyl-5-nitro-imidazole)dichlorocobalt(II)Bis(1,2-dimethyl-5-nitro-imidazol)dichlorocobalt(II) was obtained by reaction of CoCl2 · 6 H2O with 1,2-dimethyl-5-nitro-imidazole in methanol. The compound forms blue crystals which were characterized by IR and UV-vis spectroscopy and by an X-ray crystal structure determination. Co(C5H7N3O2)2Cl2: tetragonal, space group I42d, Z = 8, a = 1142.1(1) pm, c = 2577.3(2) pm. R = 0.036 for 670 independent reflexions. The Co atom is tetrahedrally surrounded by two chlorine and two N atoms at distances of 222.8(2) and 203.5(4) pm.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976230802
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