R. M. Clarke, T. Storr, D. Transb, ). P. Vigato, S. Tamburini et al., 43 (2014) 9380, Coord. Chem. Rev. Coord. Chem. Rev. Prog. Inorg. Chem, vol.248, issue.83, 1717.

T. Rosu, E. Pahontu, M. Reka-stefana, C. Ilies, R. Georgescu et al., Polyhedron 31 (2012) 352, J. Coord. Chem. Spectrochim. Acta A J. Coord. Chem. Synth. React. Inorg. Met. Org. Nano-Met. Chem. Bioorg. Med. Chem, vol.63, issue.39, pp.78-92, 2006.

W. L. Armarego and C. L. Chai, Purification of Laboratory 776 Chemicals, 2003.

J. Zyss, J. Nicoud, and M. Coquillay, )???prolinol (NPP), The Journal of Chemical Physics, vol.81, issue.9, p.4160, 1984.
DOI : 10.1063/1.448134

J. Zyss, T. C. Van, C. Dhenaut, and I. Ledoux, Harmonic rayleigh scattering from nonlinear octupolar molecular media: the case of crystal violet, Chemical Physics, vol.177, issue.1, p.281, 1993.
DOI : 10.1016/0301-0104(93)80196-G

J. F. Brown, The Infrared Spectra of Nitro and Other Oxidized Nitrogen Compounds, Journal of the American Chemical Society, vol.77, issue.23, p.6341, 1955.
DOI : 10.1021/ja01628a078

I. D. Albert, T. J. Marks, and M. A. Ratner, Large Molecular Hyperpolarizabilities. Quantitative Analysis of Aromaticity and Auxiliary Donor???Acceptor Effects, Journal of the American Chemical Society, vol.119, issue.28, p.6575, 1997.
DOI : 10.1021/ja962968u

J. D. Dunitz, L. E. Orgel, and A. Rich, See for example: (a), Acta Crystallogr, vol.933, issue.373, 1956.

D. Astruc, Electron Transfer and Radical Reactions in Transition-Metal Chemistry, VCH, Electrochemistry, issue.2, p.89, 1995.