X. Jia
1998
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Journal
Chinese Journal of Structural Chemistry
Abstract
The crystal structure of 3-(4-methoxyphenyl)- l-methyl-pyrrolo[2,1-b] benzothiazole (C18H15NOS, Mr = 293. 38) has been determined. The title com-pound crystallizes in monoclinic space group P21/n with cell dimensions a= l. 3308(4)'b=0. 8403(2), c= l. 4l47 (4)nm, β= 68. 08(2)°, V= 1. 4676(5)nm3, Z= 4, Dc=1. 328g. cm-3, F(000) = 6l6,μ= l8. 18cm-l, CuKa(η= O. 154l8nm). The struc-ture was solved by direct methods and refined by full matrix least-Squares. The finaldiscrepancy factor is 0. 053 for 1522 observed reflections. The molecular backbone is anearly planar tricyclic system.