Self-assembled supramolecular synthons of 2,6 diaminopyridinium tosylate

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• 作者：Ro. Mu. Jauhar ; P. Vivek ; K. Sudhakar…
• 关键词：High resolution ; X ; ray diffraction ; Structure ; Specific heat capacity ; Thermal analysis ; Z ; scan
• 刊名：Journal of Thermal Analysis and Calorimetry
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：124
• 期：2
• 页码：871-879
• 全文大小：1,150 KB
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• 作者单位：Ro. Mu. Jauhar (1)
  P. Vivek (1) (4)
  K. Sudhakar (1)
  S. Kalainathan (2)
  M. NizamMohideen (3)
  P. Murugakoothan (1)
  
  1. MRDL, PG and Research Department of Physics, Pachaiyappa’s College, Chennai, 600 030, India
  4. Sri Venkateswara Institute of Technology, Kolundhalur, Thiruvallur, 602 001, India
  2. School of Advanced Sciences, VIT University, Vellore, Tamilnadu, 632014, India
  3. Department of Physics, The New College (Autonomous), Chennai, 600 014, India
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Sciences
  Polymer Sciences
  Physical Chemistry
  Inorganic Chemistry
  Measurement Science and Instrumentation
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1572-8943

文摘

A novel organic nonlinear optical crystal, 2,6 diaminopyridinium tosylate (2,6DPT), was synthesized and grown by the slow evaporation method. Formation of the new crystalline compound was confirmed by single-crystal X-ray diffraction study. The title compound (2,6DPT) crystallizes in the monoclinic crystal system with space group of P2₁/c. The crystalline perfection of the as-grown crystal was assessed by high-resolution X-ray diffraction study and the quality of it is reasonably good. The thermal stability of 2,6DPT is found to be 180 °C by thermogravimetric and differential thermal (TG–DTA) analyses. The specific heat capacity of 2,6DPT is found to be 3.86 J g−1 K−1. UV–Vis–NIR spectral study showed that the grown crystal is transparent in the entire visible region with the lower cut-off wavelength of 380 nm. The laser-induced surface damage threshold of grown crystal was measured to be 0.2538 GW cm−2 for 1064 nm Nd:YAG laser radiation. Nonlinear refractive index (n ₂), absorption coefficient (β) and third-order nonlinear susceptibility (χ(3)) were measured by Z-scan technique.