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Vol. 27 No. 7 (2015): Vol 27 Issue 7, 2015

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Growth and Characterization of N,N'-Dimethylurea Admixtured Sulphamic acid Single Crystals

https://doi.org/10.14233/ajchem.2015.18734
R. Sreedevi
Department of Physics, Aditanar College of Arts and Science, Tiruchendur-628 216, India
K. Amarsingh Babu
Department of Physics, Manonmaniam Sundaranar University, Tirunelveli-627 012, India
T. Balu
Department of Physics, Aditanar College of Arts and Science, Tiruchendur-628 216, India
P. Murugakoothan
PG and Research Department of Physics, Pachaiyappa's College, Chennai-600 030, India
T.R. Rajasekaran
Department of Physics, Manonmaniam Sundaranar University, Tirunelveli-627 012, India

Corresponding Author(s) : R. Sreedevi

vsreedevi70@gmail.com

Asian Journal of Chemistry, Vol. 27 No. 7 (2015): Vol 27 Issue 7, 2015

Abstract

The single crystals of N,N´-dimethylurea admixtured sulphamic acid (DMUASA) were grown by slow evaporation technique from an aqueous solution at room temperature. Good quality crystals of size 34 mm × 15 mm × 7 mm had been obtained within 30 days. To synthesise the N,N´-dimethylurea admixtured sulphamic acid salt, N,N´-dimethylurea and sulphamic acid were taken in 1:1 molar ratio. The solubility of N,N´-dimethylurea admixtured sulphamic acid salt in water had been carried out at various temperatures. The grown crystal was characterized by single crystal X-ray diffraction analysis to confirm the structure of sample. Powder X-ray diffraction studies confirm the crystalline nature of the grown crystals. Fourier transform infrared study was used to confirm the presence of various functional groups in the grown crystal. UV-visible-NIR transmittance spectrum was recorded to study the optical properties of the grown crystal. The existence of second harmonic generation signals was confirmed by performing Kurtz-Perry powder test and the output power generated by the crystal was comparable with that of potassium dihydrogen phosphate. Thermal properties of the crystal had been investigated using thermogravimetric analysis and differential thermal analysis. The mechanical strength of the crystal was estimated by Vickers hardness test.

Keywords

Second harmonic generation Thermo gravimetric analysis Differential thermal analysis FTIR DMUASA single crystal
Sreedevi, R., Amarsingh Babu, K., Balu, T., Murugakoothan, P., & Rajasekaran, T. (2015). Growth and Characterization of N,N’-Dimethylurea Admixtured Sulphamic acid Single Crystals. Asian Journal of Chemistry, 27(7), 2642–2646. https://doi.org/10.14233/ajchem.2015.18734
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