Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 11 (November 2012)


organic compounds



rk2382 scheme

Acta Cryst. (2012). E68, o3082    [ doi:10.1107/S1600536812040871 ]

7H-[1,2]Benzothiazolo[3,2-b]quinazoline 5,5-dioxide

P. Narayanan, S. Karthikeyan, P. C. Srinivasan and K. Sethusankar

Abstract: In the title compound, C14H10N2O2S, the benzothiazole and quinazoline ring systems are essentially planar with maximum deviations of 0.0127 (16) and 0.1588 (15) Å, respectively, and make a dihedral angleof 3.02 (5)°, which shows that the entire molecule is almost planar. The O atoms deviate from the benzothiazole ring system by 1.2231 (14) and -1.1989 (15) Å. The crystal packing features non-classical C-H...O hydrogen bonds and is further consolidated by [pi]-[pi] interactions [centroid-centroid distances = 3.7568 (8) and 3.8848 (9) Å].


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