Abstract
Chalcone derivative ( E )-3-(4-Butoxyphenyl)-1-(naphthalen-1-yl)prop-2-en-1-one (C23 H22 O2) crystallizes in monoclinic system with space group 'P 2 1 /c ' and unit cell parameters: a = 15.1595(14) A, b = 7.6644(7) A, c = 15.8634(15) A, b = 96.942(7) o . The crystal structure was solved using direct methods and refined by full matrix least squares procedures to a final R-factor of 0.0911 for 1591 observed reflections. The enone moiety adopts E conformation with respect to C12=C13 bond.The molecules in the unit cell are linked by weak C–H⋅⋅⋅O and π-π interactions. The molecule contains two C–H⋅⋅⋅O intramolecular interactions which stabilizes the crystal structure
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