(Z)-2-(1H-Indol-3-ylmethylene)-1-azabicyclo[2.2.2]octan-3-one.

The title compound, C(16)H(16)N(2)O, which contains a double bond connecting an azabicyclic ring system to an indol-3-ylmethylene group, crystallizes from a solution in ethyl acetate. The geometries of the two crystallographically independent molecules are nearly identical. The crystal packing of the title compound involves two types of intermolecular hydrogen bond.