Molecular structure, DFT studies and UV–Vis absorption of two new linear fused ring chalcones: (<i>E</i>)-1-(anthracen-9-yl)-3-(2-methoxyphenyl)prop-2-en-1-one and (<i>E</i>)-1-(anthracen-9-yl)-3-(3-fluoro-4-methoxyphenyl)prop-2-en-1-one
Acta crystallographica. Section E, Crystallographic communications