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Synthesis, crystal structure and photo-induced isomerization of [N,N '-bis(4-fluorobenzylidene)ethylenediamine]bromo(triphenylphosphine)copper(I) complex

Lookup NU author(s): Professor Mohammad Habibi, Dr Ross Harrington, Emeritus Professor Bill CleggORCiD


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The crystal structure of [N,N'-bis(4-fluorobenzylidene)ethylenediamine]bromo(triphenylphosphine)copper(I) (C34H29BrCuF2N2P) (1), a model compound for photoisomerization reactions which occur in photobiological processes such as vision, has been determined from X-ray diffraction data. The compound crystallizes in the monoclinic space group P2(1/c) with a = 19.1663(18), b = 13.2456(13), c = 11.9120(11)angstrom and alpha = 90 degrees, beta = 90.004(2)degrees and gamma = 90 degrees. The coordination polyhedron around copper(I) in this complex is best described as a distorted tetrahedron. Photochemical investigations in solution of the time resolved spectral changes, recorded before and after irradiation, show the transformation from syn to anti configuration of the C N bond. Spectral profile and K rate constant were evaluated using multivariate curve resolution and non-linear least squares curve fitting by toolbox of MATLAB program using the corresponding absorption spectra-time data.

Publication metadata

Author(s): Barati K, Habibi MH, Montazerozohori M, Shafieyan H, Harrington RW, Clegg W

Publication type: Article

Publication status: Published

Journal: Journal of Coordination Chemistry

Year: 2009

Volume: 62

Issue: 3

Pages: 417-426

Print publication date: 01/01/2009

ISSN (print): 0095-8972

ISSN (electronic): 1029-0389

Publisher: Taylor & Francis Ltd.


DOI: 10.1080/00958970802270864


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