Related Experiment Video
Updated: May 10, 2026

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core
Published on: October 24, 2017
1,5-Bis[1-(4-bromo-phen-yl)ethyl-idene]thio-carbonohydrazide
1Dongchang College, Liaocheng University, Liaocheng 250059, People's Republic of China.
This study details the crystal structure of a novel organic compound, C17H16Br2N4S. It reveals two unique molecular arrangements linked by hydrogen bonds, offering insights into molecular self-assembly.
Area of Science:
- Crystallography
- Organic Chemistry
- Supramolecular Chemistry
Background:
- Understanding the crystal packing and intermolecular interactions of novel organic compounds is crucial for materials science.
- The compound C17H16Br2N4S presents an interesting case for structural analysis due to its specific functional groups.
Purpose of the Study:
- To elucidate the crystal structure of C17H16Br2N4S.
- To investigate the intermolecular interactions, specifically hydrogen bonding, within the crystal lattice.
- To characterize the spatial arrangement of the independent molecules.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of the crystallographic data provided information on bond lengths, angles, and dihedral angles.
- Hydrogen bond analysis was performed to identify and quantify N-H⋯S interactions.
Main Results:
- The asymmetric unit contains two independent molecules of C17H16Br2N4S.
- The dihedral angles between the benzene rings in the independent molecules were measured as 20.0(1)° and 55.3(1)°.
- A pair of N-H⋯S hydrogen bonds were observed, linking the two independent molecules into a dimer.
Conclusions:
- The crystal structure of C17H16Br2N4S is characterized by the presence of two distinct molecular conformations.
- Intermolecular N-H⋯S hydrogen bonding plays a significant role in the self-assembly of these molecules into dimers.
- This structural information provides a foundation for further studies on the properties and potential applications of this compound.
Related Concept Videos
Electrophilic 1,2- and 1,4-Addition of HX to 1,3-Butadiene
Formation of Halohydrin from Alkenes
Electrophilic 1,2- and 1,4-Addition of X2 to 1,3-Butadiene
α-Bromination of Carboxylic Acids: Hell–Volhard–Zelinski Reaction
Preparation and Reactions of Sulfides
Nucleophilic Aromatic Substitution: Elimination–Addition

