Begum, N. S. ; Venkatesan, K. (1992) Studies on nonlinear optical materials: structure of diphenylmethyl (Z)-1-(1-methylthio-2-nitrovinyl)tetrahydropyrrole-2-carboxylate Acta Crystallographica Section C, 48 (5). pp. 902-905. ISSN 0108-2701
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Official URL: http://scripts.iucr.org/cgi-bin/paper?li0088
Related URL: http://dx.doi.org/10.1107/S0108270191011836
Abstract
C21H22N204S, Mr=398.5, orthorhombic, P212121, a=9.799 (1), b=11.853 (1), c=17.316(2) Å , V=2011.4 Å 3, Z=4, Dm=l.320, Dx=1.314Mg m-3, Cu Kα, λ=1.5418 Å, μ=1.63 mm-1, F(000)=840.0, T=293 K, R=0.055 for 1735 significant reflections. In the 1-methylthio-2-nitrovinyl moiety the C=C bond, 1.368 (7) Å, is significantly longer than in ethylene, 1.336 (2) Å. The second harmonic generation (SHG) efficiency of this compound is only 0.25 of the urea standard. The correlation between the molecular packing and SHG is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to International Union of Crystallography. |
| ID Code: | 66648 |
| Deposited On: | 27 Oct 2011 04:14 |
| Last Modified: | 27 Oct 2011 04:14 |
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