2-(4,5,6,7,8,9-Hexahydro-6a-azaphenylen-2-ylmethylene)indan-1,3-dione

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2-(4,5,6,7,8,9-Hexahydro-6a-aza­phenyl­en-2-ylmethyl­ene)indan-1,3-dione

The title compound, C(22)H(19)NO(2), has potential for use as a new nonlinear optical material. Mol-ecules are almost planar. One C atom of the heterocyclic ring system is disordered over two positions; the site occupancy factors are 0.6 and 0.4.

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2-Meth­oxy­naphthalene-1,4-dione

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2-(2-Bromo­eth­yl)isoindoline-1,3-dione

The asymmetric unit of the title compound, C(10)H(8)BrNO(2), contains three crystallographically independent mol-ecules. Two of the N-C-C-Br side chains adopt anti conformations [torsion angles = -179.8 (5) and -179.4 (4)°] and the other is gauche [-66.5 (6)°]. The crystal structure features short Br⋯O [3.162 (5) Å] contacts, C-H⋯O hydrogen bonds and numerous π-π stacking inter-actions [centroi...

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2-(2-Iodo­phen­yl)isoindoline-1,3-dione

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2-[2-(Methyl­sulfon­yl)eth­yl]isoindoline-1,3-dione

In the mol-ecule of the title compound, C(11)H(11)NO(4)S, the isoindoline ring system is almost planar with a maximum deviation of 0.008 (3)Å. In the crystal structure, inter-molecular C-H⋯O inter-actions link the mol-ecules into a three-dimensional network. π-π contacts between the isoindoline rings [centroid-centroid distances = 3.592 (1) and 3.727 (1) Å] may further stabilize the structure.

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2008

ISSN: 1600-5368

DOI: 10.1107/s1600536808016346