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Acta Cryst. (2013). C69, 880-883  [ doi:10.1107/S0108270113016119 ]

3a-Phenyl-2,3,3a,4-tetra­hydro-1H-benzo[d]pyrrolo­[1,2-a]imidazol-1-one, a potential plant-growth regulator

V. S. Grinev and A. Y. Egorova

Synopsis: Mol­ecules of the title compound are linked into chains by inter­molecular C=O...H-N hydrogen bonds and the chains are weakly inter­connected by [pi]-[pi] stacking inter­actions. A comparison of the geometric parameters of the title mol­ecule and several related benzimid­azoles and pyrrolidones is presented.

Formula: C16H14N2O

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