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Synthesis, spectroscopic and Hirshfeld surface analysis and fluorescence studies of (2E,2'E)-3,3'-(1,4-phenyl-ene)bis-[1-(4-hy-droxy-phen-yl)prop-2-en-1-one] N,N-di-methyl-formamide disolvate.

ABSTRACT: In the bis-chalcone mol-ecule of the title compound, C24H18O4·2C3H7NO, the central benzene and terminal hy-droxy-phenyl rings form a dihedral angle of 14.28 (11)° and the central C=C double bond adopts a trans configuration. In the crystal, the bis-chalcone and solvate mol-ecules are inter-connected via O-H⋯O hydrogen bonds, which were investigated by Hirshfeld surface analysis. Solid-state fluorescence was measured at λex = 4400 Å. The emission wavelength appeared at 5510 Å, which corresponds to yellow light and the solid-state fluorescence quantum yield (Ff) is 0.18.

SUBMITTER: Kwong HC 

PROVIDER: S-EPMC6002815 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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Synthesis, spectroscopic and Hirshfeld surface analysis and fluorescence studies of (2<i>E</i>,2'<i>E</i>)-3,3'-(1,4-phenyl-ene)bis-[1-(4-hy-droxy-phen-yl)prop-2-en-1-one] <i>N</i>,<i>N</i>-di-methyl-formamide disolvate.

Kwong Huey Chong HC   Sim Ai Jia AJ   Chidan Kumar C S CS   Quah Ching Kheng CK   Chantrapromma Suchada S   Naveen S S   Warad Ismail I  

Acta crystallographica. Section E, Crystallographic communications 20180522 Pt 6

In the bis-chalcone mol-ecule of the title compound, C<sub>24</sub>H<sub>18</sub>O<sub>4</sub>·2C<sub>3</sub>H<sub>7</sub>NO, the central benzene and terminal hy-droxy-phenyl rings form a dihedral angle of 14.28 (11)° and the central C=C double bond adopts a <i>trans</i> configuration. In the crystal, the bis-chalcone and solvate mol-ecules are inter-connected <i>via</i> O-H⋯O hydrogen bonds, which were investigated by Hirshfeld surface analysis. Solid-state fluorescence was measured at λ<sub>ex  ...[more]

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