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