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  • 1975-1979  (3)
  • 1
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 428 (1977), S. 113-114 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Metal Pseudohalides. 28. Remark on the I.R. Absorption of the Coordination Polymeric Compounds M(C(CN)3)2 in the Region of 200-400 cm-1The infrared spectra of the tricyanmethanides of 3d metals M(C(CN)3)2 (M = Mn, Fe, Co, Ni, Cu, Zn) in the region of 200-400 cm-1 are reported. Significant absorption bands between about 220 and 290 cm-1 are assigned to M - N-stretching frequencies.
    Notes: Die IR-Spektren der Metall-tricyanmethanide M(C(CN)3)2 (M = Mn, Fe, Co, Ni, Cu, Zn) im Bereich von 200-400 cm-1 werden mitgeteilt. Auftretende Banden zwischen 220 und 290 cm-1 werden M - N-Valenzschwingungen zugeordnet.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 428 (1977), S. 103-112 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Metal Pseudohalides. 27. Structures of Dicyanamides of Bivalent 3d Metals M(N(CN)2)2On the basis of infrared investigations in the region of 200-2 400 cm-1, of electronic spectra and X-ray studies the structures of the dicyanamides of bivalent 3d metals M(N(CN)2)2 (M = Mn, Fe, Co, Ni, Cu, Zn) are described. The compounds may be attributed to two different structure types with the anions acting as tri- or bi-dentate bridging ligands, cobalt and manganese dicyanamide are forming structural isomers with pseudooctahedral (α-forms) or pseudotetrahedral (β-forms) microsymmetry. The polymer-tetrahedral type of the compounds, which is also including Zn(N(CN)2)2 seems to contain a hitherto undescribed bonding mode of bridging dicyanamide groups.
    Notes: Auf der Grundlage von IR-Untersuchungen im Bereich von 200-2 400 cm-1, von Elektronenspektren und Röntgenuntersuchungen werden die Strukturen von 3d-Metall-dicyanamiden M(N(CN)2)2 (M = Mn, Fe, Co, Ni, Cu, Zn) beschrieben. Die Verbindungen lassen sich zwei verschiedenen Strukturtypen zuordnen, in denen die Anionen entweder als dreizählige oder zweizählige Brückenliganden auftreten. Kobalt- und Mangan-dicyanamid bilden Struktur-Isomere mit pseudo-oktaedrischer (α-Formen) bzw. -tetraedrischer Mikrosymmetrie (β-Formen). Der polymertetraedrische Verbindungstyp, dem auch Zinkdicyanamid zuzuordnen ist, scheint eine bisher nicht beschriebene Bindungsart verbrückender Dicyanamid-Gruppen zu enthalten.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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