ISSN:
1572-8854
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
,
Physics
Notes:
Abstract Spectroscopic analysis of eight copper(II) complexes of Schiff bases derived from taurine and eight different salicylaldehydes and naphthaldehydes are reported. X-ray structural analysis of the copper(II) complex of the 5-NO2-sali-cylaldehyde imine of taurine (5-NO2-salicylaldimine ethylene sulfonic acid) as the tetran-butylammonium salt [Cu(C9H8N2O6S)2]2−2[(C4H9)4N]+ (CUTAU-TBA) has been carried out. The space group isP¯1, witha=8.761(4),b=10.410(3),c=16.528(4) Å,α=77.85(3),β=86.53(4), γ=79.15(3)°, andZ=1. The structure was solved by the heavy-atom method and refined by least-squares techniques to anR factor of 0.068 for 2807 observed reflections. The CUTAU cation is centrosymmetric, with the Cu atom sitting on a crystal-lographic centre of symmetry. The copper atom has a square-planar environment, coordinated by the potentially tridentate Schiff base only through the imino nitrogen and the phenolate oxygen with the deprotonated sulfonic group directed away from the coordination sphere of the Cu(II).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01161103