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3-(1-Methylpyrrolidin-2-ylidene)-3H-indole sesquihydrate

By John A. Joule, Mehdi M. Baradarani, Masomeh Aghazadeh and Madeleine Helliwell

Abstract

The asymmetric unit of the title compound, C13H14N2·1.5H2O, contains two similar molecules of 3-(1-methylpyrrolidin-2-ylidene)-3H-indole, (I), and three water molecules. (I) is the product of reacting indole with 1-methylpyrrolidin-2-one in the presence of phosphorus oxychloride. Both organic molecules are almost completely planar; the maximum distances above and below the least-squares plane through all the atoms of molecule 1 are 0.050 (8) and −0.045 (8) Å, respectively, and the deviations for molecule 2 are 0.096 (8) and −0.059 (8) Å, respectively. In the crystal, the two crystallographically different molecules alternate in π-stacked columns [centroid–centroid distances = 3.729 (5) and 3.858 (5) Å], which are linked by O—H...N hydrogen bonds to a network of hydrogen-bonded water molecules. O—H...O interactions are also present

Topics: Chemistry, QD1-999, Science, Q, DOAJ:Chemistry (General), DOAJ:Chemistry
Publisher: International Union of Crystallography
Year: 2009
DOI identifier: 10.1107/S1600536809047606
OAI identifier: oai:doaj.org/article:37b15363747a469eb2aecba229bcb5eb
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