Mol-ecular and crystal structure, optical properties and DFT studies of 1,4-dimeth-oxy-2,5-bis-[2-(4-nitro-phen-yl)ethen-yl]benzene

Acta Crystallographica. Section E, Crystallographic Communications
Georgii BogdanovTatiana V Timofeeva

Abstract

The title compound DBNB, C24H20N2O6, has been crystallized and studied by X-ray diffraction, spectroscopic and computational methods. In the title mol-ecule, which is based on a 1,4-distyryl-2,5-di-meth-oxy-benzene core with p-nitro-substituted terminal benzene rings, the dihedral angle between mean planes of the central fragment and the terminal phenyl ring is 16.46 (6)°. The crystal packing is stabilized by π-π inter-actions. DFT calculations at the B3LYP/6-311 G(d,p) level of theory were used to compare the optimized structures with the experimental data. Energy parameters, including HOMO and LUMO energies, their difference, and vertical excitation and emission energies were obtained.

References

Dec 30, 2014·Acta Crystallographica. Section A, Foundations and Advances·George M Sheldrick
Jan 9, 2015·Acta Crystallographica. Section C, Structural Chemistry·George M Sheldrick
Apr 7, 2016·Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials·Colin R GroomSuzanna C Ward
Feb 13, 2020·Journal of Applied Crystallography·Clare F MacraePeter A Wood
Nov 28, 2013·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Zhenzhen XuHongbing Fu

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