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Synthesis, Crystal Structure and Spectroscopic Properties of 12,13-Bis(1-naphthalenylmethyl)-5,16-dimethyl-2,6,13,17-tetraazatricyclo(14,4,0(1.18),0(7.12))docosane]copper(II) Diperchlorate Acetonitrile Disolvate

Lookup NU author(s): Emeritus Professor Bill Clegg, Gary Nichol

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Abstract

The N-functionalized macrocyclic ligand 2,13-bis(1-naphthalenylmethyl)-5,16-dimethyl-2,6,13,17-tetraazatricyclo-(14,4,0(1.18),0(7.12))docosane (L-3) and its copper(II) complex were prepared. The crystal structure of [Cu(L-3)](ClO4)(2)center dot 2CH(3)CN was determined by single-crystal X-ray diffraction at 150 K. The copper atom, which lies on an inversion centre, has a square planar arrangement and the complex adopts a stable trans-III configuration. The longer distance [2.081(2) angstrom] for Cu N(tertiary) compared to 2.030(3) angstrom for Cu-N(secondary) may be due to the steric effect of the attached naphthalenylmethyl group on the tertiary nitrogen atom. Two perchlorate ions are weakly attached to copper in axial sites and are further connected to the ligand of the cation through NH center dot center dot center dot O hydrogen bonds [N center dot center dot center dot O 3.098 angstrom]. IR and UV/Vis spectroscopic properties arc also described.


Publication metadata

Author(s): Choi JH, Clegg W, Nichol GS

Publication type: Article

Publication status: Published

Journal: Zeitschrift für anorganische und allgemeine Chemie

Year: 2010

Volume: 636

Issue: 8

Pages: 1612-1616

Print publication date: 01/01/2010

ISSN (print): 0044-2313

ISSN (electronic): 1521-3749

Publisher: Wiley

URL: http://dx.doi.org/10.1002/zaae.200900551

DOI: 10.1002/zaae.200900551


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