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  • 1
    ISSN: 1434-4475
    Keywords: Synthesis ; Molecular structure ; Infrared spectra ; Magnetic moment ; 5-Nitrosalicylaldehyde S-methylisothiosemicarbazonato-piperidine-copper(II)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Durch die Reaktion in warmenDMF-Lösungen von Cu(II) Perchlorat, 5-Nitrosalicylaldehyd-S-methylisothiosemicarbazon (H2 L) und Piperidin (Pip) wurde ein paramagnetischer Komplex (μeff=2.19 B.M.) Cu(L)Pip erhalten, wobeiL nach doppelter Deprotonierung (NH2- und Phenolhydroxyl-Gruppe) als dianionische Form von H2 L vorliegt. Die kristallographischen Daten des Komplexes sind: monokline Raumgruppe P21,a=11.902(4),b=6.765(3),c=11.343(4)Å, β=112.92°;V=841.20Å3,M=400.9,Z=2,d 0=1.60 gcm−3,d c =1.58 gcm−3,F(000)=424. Die struktur wurde bis zu einemR-Wert von 0.047 verfeinert. Die Koordination des Kupfers wird quadratisch-planar über den Piperidin-Stickstoff und die NNO-Donorhülle der Chelatliganden gebildet.
    Notes: Summary The reaction of warmDMF solutions of Cu(II) perchlorate, 5-nitrosalicylaldehyde S-methylisothiosemicarbazone (H2 L) and piperidine (Pip) yielded the paramagnetic (μeff=2.19 B.M.) Cu(L)Pip complex, whereL is the dianionic form of H2 L, formed as a result of deprotonation of the phenolic hydroxyl and NH2 group. Crystal data of the complex are: monoclinic P21,a=11.902(4),b=6.765(3),c=11.343(4)Å; β=112.92°,V=841.20(8)Å3,M=400.9,Z=2,d 0=1.60 gcm−3,d c =1.58 gcm−3,F(000)=424. The structure was refined to a residualR=0.047. The copper(II) ion is coordinated in a square-planar arrangement by the piperidine nitrogen and the NNO set of donor atoms ofL.
    Type of Medium: Electronic Resource
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