Key indicatorsSingle-crystal X-ray study T = 298 K Mean (C-C) = 0.005 Å R factor = 0.040 wR factor = 0.096 Data-to-parameter ratio = 18.6For details of how these key indicators were automatically derived from the article, see
The title Schiff base compound, C14H9Br2ClN2O2·CH4O, was derived from the condensation reaction of 3,5-dibromosalicylaldehyde with 2-chlorobenzohydrazide. The dihedral angle between the two benzene rings is 48.2 (2)°. In the crystal structure, molecules are linked through O—H⋯O and N—H⋯O intermolecular hydrogen bonds, forming layers parallel to the bc plane. There is also an O—H⋯N intramolecular hydrogen bond.
Novel polycyclic aromatic compounds (FBTPhO3 and FBTPhO4), which are based on bis(benzothiophene)-fused fluorene functionalized with oligo(ethylene glycol)-substituted phenyl, were synthesized through an intramolecular electrophilic cyclizing reaction. Thermal measurements revealed their excellent thermal stability and amorphous state. Photoluminescence spectra suggested that they both show deep blue light emission. Cyclic voltammetry tests exhibited that the ionization potentials of FBTPhO3 and FBTPhO4 are 5.67 and 5.68 eV, respectively, implying their good inoxidizability. These compounds may be promising building blocks for high-performance optoelectronic functional materials.
The title Schiff base compound, C13H10BrN3O2, was derived from the condensation reaction of salicylaldehyde with 5‐bromonicotinohydrazide. The dihedral angle between the benzene ring and the pyridine ring is 13.2 (4)°. In the crystal structure, molecules are linked through N—H...O and C—H...O intermolecular hydrogen bonds, forming chains running along the c axis.
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