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  • Articles  (4)
  • Articles: DFG German National Licenses  (4)
  • Crystal Structure  (3)
  • Cobalt Compounds  (1)
  • 1995-1999  (4)
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  • Articles  (4)
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  • Articles: DFG German National Licenses  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Synthese und Kristallstrukturen der Amido-Komplexe [Na(12-Krone-4)2][M{N(SiMe3)2}3] mit M = Mn, Fe und CoHerrn Prof. Dr. G. Seitz zum 60. Geburtstag gewidmet. (1996)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 129 (1996), S. 715-719 
    Details
    ISSN: 0009-2940
    Keywords: Amido Complexes ; Manganese Compounds ; Iron Compounds ; Cobalt Compounds ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Syntheses and Crystal Structures of the Amido Complexes [Na(12-Crown-4)2][M{N(SiMe3)2}3] with M = Mn, Fe, and CoThe ionic amido complexes [Na(12-crown-4)2][M[N-(SiMe3)2}3] with M = Mn (1), Fe (2) and Co (3) were prepared by the reaction of M[N(SiMe3)2]2 (M = Mn, Co) and Fe[N-(SiMe3)2]3, respectively, with sodium bis(trimethylsilyl)amide in toluene solution in the presence of 12-crown-4. 1-3 were characterized by IR spectroscopy and by crystal structure determinations. The complexes consist of cations [Na(12-crown-4)2]+ with a sandwich-like structure and anions [M{N(SiMe3)2}3]- in which the metal atoms are planarly coordinate by the three nitrogen atoms of the bis(trimethylsilyl)amido groups.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19961290618
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  • 2
    Electronic Resource
    Electronic Resource
    [Yb3OBr4{N(SiMe3)2}3 (THF)3], ein Amido-Komplex des Ytterbiums mit clusterähnlichem Aufbau (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1203-1204 
    Details
    ISSN: 0044-2313
    Keywords: Ytterbium Complex ; Amido Compound ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: [Yb3OBr4{N(SiMe3)2}3(THF)3], an Amido Complex of Ytterbium with a Clusterlike StructureThe title compound has been prepared from YbBr3 and NaN(SiMe3)2 in THF suspension, forming yellow single crystals from hexane solutions which were characterized by a crystal structure determination. Space group P1, Z = 2, lattice dimensions at -100°C: a = 1085.4(1), b = 1410.2(1), c = 1912.0(1) pm; α = 78.62(1)°, β = 80.61(1)°, γ = 73.45(1)°, R = 0.025.In the molecular structure of [Yb3OBr4{N(SiMe3)2}3(THF)3] the three ytterbium atoms together with the μ3-oxygen atom and a μ3-bromine atom form a distorted trigonal bipyramid. In addition, three μ2-Br atoms coordinate the Yb atoms in the equatorial plane, whereas the THF molecules and the N(SiMe3)2- ligands are terminally coordinated, thus forming a distorted octahedrally surrounding of the Yb atoms.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976230803
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  • 3
    Electronic Resource
    Electronic Resource
    [Li7(CHPMe2NSiMe3)3(OSiMe2nBu)]2, ein Gemischtligand-Li14-Cluster mit dem Carbdianion (CHPMe2NSiMe3)2- (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1306-1310 
    Details
    ISSN: 0044-2313
    Keywords: Lithium Cluster ; Carbdianion ; NMR spectra ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: [Li7(CHPMe2NSiMe3)3(OSiMe2nBu)]2, a Mixed-Ligand-Li14 Cluster with the Carbdianion (CHPMe2NSiMe3)2-The title compound is formed as colourless moisture and oxygen sensitive crystals by the reaction of [LiCH2PMe2NSiMe3]4 with zinc or cobalt chloride in a toluene suspension in the presence of silicongrease (-OSiMe2-)n and n-butyllithium. It is characterized by multinucleus NMR spectroscopy and by crystal structure determinations of two different crystal individuals.1. Space group P1, Z = 1, lattice dimensions at -70 °C: a = 1272.0, b = 1392.6, c = 1417.6 pm, α = 115.33°, β = 96.75°, σ = 106.81°; R = 0.042.2. Space group P21/n, Z = 2, lattice dimensions at -50 °C: a = 1424.8, b = 1457.1, c = 1997.0 pm, β = 90.32, R = 0.069.
    Notes: Die Titelverbindung (farblose, feuchtigkeits- und sauerstoffempfindliche Kristalle) entsteht bei der Reaktion von [LiCH2PMe2NSiMe3]4 mit wasserfreiem Zink- oder Cobaltchlorid in einer Toluolsuspension in Gegenwart von Siliconfett (-OSiMe2-)n und n-Butyllithium. Sie wird durch Multikern-NMR-Spektroskopie und durch Kristallstrukturanalysen zweier kristallchemisch verschiedener Individuen charakterisiert.1. Raumgruppe P1, Z = 1, Gitterkonstanten bei -70 °C: a = 1272,0; b = 1392,6; c = 1417,6 pm; α = 115,33°; β = 96,75°; σ = 106,81°; R = 0,042.2. Raumgruppe P21/n, Z = 2, Gitterkonstanten bei -50 °C: a = 1424,8; b = 1457,1; c = 1997,0 pm; β = 90,32°; R = 0,069.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976230822
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  • 4
    Electronic Resource
    Electronic Resource
    Synthese und Kristallstruktur des ionischen Tellurnitridchlorids [Te3N2Cl5(SbCl5)]+SbCl6- (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1375-1379 
    Details
    ISSN: 0044-2313
    Keywords: Tellurium Nitride Chloride ; Synthesis ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Crystal Structure of the Ionic Tellurium Nitride Chloride[Te3N2Cl5(SbCl5)]+SbCl6-The title compound has been prepared by the reaction of Te2NCl5 with antimony pentachloride in CH2Cl2 suspension. It is characterized by IR spectroscopy and by a crystal structure determination. Space group P21/c, Z = 4, lattice dimensions at -70°C: a = 1535.6, b = 1259.5, c = 1572.4 pm, β = 109.30°, R = 0.031. The compound forms an ionic pair with the central group of a (TeNCl)2 molecule in which the tellurium atoms are linked by the nitrogen atoms to give a planar Te2N2 four-membered ring. One of the nitrogen atoms is coordinated by a TeCl3+ unit, the other one by an antimony pentachloride molecule. According to the IR spectra a structure like [Te2N2Cl2(TeCl4)2] is proposed for Te2NCl5.
    Notes: Die Titelverbindung wird durch Reaktion von Te2NCl5 mit Antimonpentachlorid in Dichlormethan hergestellt und durch das IR-Spektrum und eine Kristallstrukturanalyse charakterisiert. Raumgruppe P21/c, Z = 4, Gitterkonstanten bei -70°C: a = 1535,6; b = 1259,5; c = 1572,4 pm, β = 109,30°; R = 0,031. Die Verbindung bildet ein Ionenpaar, dessen Kation als zentrales Bauelement ein (TeNCl)2-Molekül enthält, in dem die Telluratome mit den Stickstoffatomen zu einem planaren Te2N2-Vierring verknüpft sind. Eines der N-Atome ist mit einem TeCl3+-Ion, das andere mit einem SbCl5-Molekül koordiniert. Aus dem Vergleich der IR-Spektren wird für Te2NCl5 eine Struktur gemäß [Te2N2Cl2(TeCl4)2] vorgeschlagen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976230909
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