Autors: Shivachev, B. L., Kossev, K., Dimowa, L. T., Yankov, G., Petrov, T. S., Nikolova, R. P., Petrova, N.
Title: Synthesis, growth, structural, thermal, optical properties of new metal-organic crystals: Methyltriphenylphosphonium iodide thiourea and Methyltriphenylphosphonium iodide chloroform hemisolvate
Keywords: Nonlinear optical material, Organic compounds Growth

Abstract: Crystals of methyltriphenylphosphonium iodide thiourea (1) and methyltriphenylphosphonium iodide chloroform hemisolvate (2) were obtained for the rst time. Fourier transform infrared (FTIR) spectral studies have been performed to identify the functional groups. Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) were used to study their thermal properties. The optical transmit-tance window and the lower cutoff wavelength have been identi ed by UV–vis studies. Crystals of the title compounds suitable for single crystal X-ray analyses were successfully grown by slow evaporation and diffraction data were collected to elucidate the molecular structure and interactions. The proton donors (phosphonium) and proton acceptor (iodine) in the structure of 1 provide infrastructure to introduce charge asymmetry while in 2 chloroform molecule is not involved in the charge transfer. An optical quality crystal of 1 (5 4 2 mm3) was obtained by macroseeding. The crystal has develo

References

    Issue

    Journal of Crystal Growth, vol. 376, pp. 41-46, 2013, Germany, Elsevier B.V., doi:10.1016/j.jcrysgro.2013.04.04

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    Вид: статия в списание, публикация в издание с импакт фактор, публикация в реферирано издание, индексирана в Scopus и Web of Science