Abstract
AbstractMr = 250, orthorhombic, P 212121, a = 9.583(6), b = 11.786(8), c = 12.298(9) Å, V = 1389.0 Å3, Z = 4, Dx = 1.20 g cm−3, F(000) = 544, MoKα, λ = 0.71069 Å, μ = 0.88 cm−1. Final R = 0.023 for 1006 observed reflections, T = 293 K. The structure was solved by direct methods and refined by full‐matrix least squares. It is an α, β unsaturated carbonyl compound with a trisubstituted double bonds. No significant variation in aromatic bond lengths. The strain affecting the molecule is largely due to angular deformation which is partly due to the fusion of the rings and partly due to substitution of H‐atoms by methyl groups and oxygen atoms.
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