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3-Methyl-3,4-dihydro-9H-carbazol-1(2H)-one.

ABSTRACT: In the title mol-ecule, C(13)H(13)NO, the dihedral angle between the benzene ring and the fused pyrrole ring is 2.03?(5)°. The methyl group at the 3-position has an equatorial orientation. The cyclo-hexene ring adopts an envelope conformation. Three C atoms of the cyclo-hexene ring, with their attached H atoms, and all atoms of the methyl group are disordered over two positions, the site-occupancy factors being 0.883?(2) and 0.117?(2). In the crystal structure, mol-ecules are stabilized by inter-molecular N-H?O hydrogen bonds. A C-H?? inter-action, involving the benzene ring, is also found.

SUBMITTER: Thomas Gunaseelan A 

PROVIDER: S-EPMC2977477 | biostudies-other | 2009

REPOSITORIES: biostudies-other

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3-Methyl-3,4-dihydro-9H-carbazol-1(2H)-one.

Thomas Gunaseelan A A   Prabakaran K K   Rajendra Prasad K J KJ   Thiruvalluvar A A   Butcher R J RJ  

Acta crystallographica. Section E, Structure reports online 20090722 Pt 8

In the title mol-ecule, C(13)H(13)NO, the dihedral angle between the benzene ring and the fused pyrrole ring is 2.03 (5)°. The methyl group at the 3-position has an equatorial orientation. The cyclo-hexene ring adopts an envelope conformation. Three C atoms of the cyclo-hexene ring, with their attached H atoms, and all atoms of the methyl group are disordered over two positions, the site-occupancy factors being 0.883 (2) and 0.117 (2). In the crystal structure, mol-ecules are stabilized by inter  ...[more]

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