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Title: | Synthesis, crystal structure, vibrational spectral analysis and Z-scan studies of a new organic crystal N,N′dimethylurea ninhydrin: A scaled quantum mechanical force field study |
Authors: | Susan John, Jerin Sajan, D. Umadevi, T. Chaitanya, K. Sankar, Pranitha Philip, Reji |
Keywords: | X-ray diffraction FT-IR and FT-Raman Quantum mechanical method of computation NBO; Nonlinear optical materials |
Issue Date: | Oct-2015 |
Publisher: | Elsevier B. V. |
Citation: | Optical Materials, 2015, Vol. 48, p 233-242 |
Abstract: | A new organic material, N,N′dimethylurea ninhydrin (3a,8a-dihydroxy-1,3-dimethyl-1,3,3a,8a-tetrahydroindeno[2,1-d]imidazole-2,8-dione) (NDUN) was synthesized. Structural details were obtained from single crystal X-ray diffraction (XRD) data. A detailed interpretation of the vibrational spectra is carried out with the aid of normal coordinate analysis following the scaled quantum mechanical force field methodology. TG/DTA and 1H NMR studies were carried out. Linear optical properties were studied from UV–Vis spectra. From the open aperture Z-scan data, it is found that the molecule shows third order nonlinear optical behaviour due to two photon absorption (2PA) mechanism. |
Description: | Restricted Access. |
URI: | http://hdl.handle.net/2289/6380 |
ISSN: | 0925-3467 |
Alternative Location: | http://dx.doi.org/10.1016/j.optmat.2015.08.002 |
Copyright: | 2015 Elsevier B. V. |
Appears in Collections: | Research Papers (LAMP) |
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2015_OM_48_233.pdf Restricted Access | Restricted Access | 1.28 MB | Adobe PDF | View/Open Request a copy |
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