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1,2-Dibenzoylhydrazine
Shanmuga Sundara Raj S1, Yamin, Boshaala
1X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
Summary
The crystal structure of C(14)H(12)N(2)O(2) reveals molecules forming polymeric chains. Intermolecular hydrogen bonds link molecules, creating ten-membered rings with a specific graph-set motif.
Area of Science:
- Crystallography
- Organic Chemistry
- Materials Science
Background:
- Understanding molecular arrangement in crystals is crucial for predicting material properties.
- Hydrogen bonding plays a significant role in supramolecular assembly and crystal engineering.
Purpose of the Study:
- To determine the crystal structure of the title compound, C(14)H(12)N(2)O(2).
- To investigate the intermolecular interactions and packing in the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was used to analyze the crystal structure.
- Analysis of bond lengths, angles, and intermolecular contacts was performed.
Main Results:
- The molecule C(14)H(12)N(2)O(2) crystallizes with the molecule lying about a twofold axis.
- Two carbonyl groups and N-N bond hydrogen atoms exhibit a trans orientation.
- Intermolecular N-H···O hydrogen bonds form between amide hydrogen and oxygen atoms of neighboring molecules.
- These interactions lead to the formation of two ten-membered rings with a C4R(2)(2)(10) graph-set motif.
- A polymeric chain structure is observed along the c-axis.
Conclusions:
- The crystal structure of C(14)H(12)N(2)O(2) is characterized by specific molecular orientation and intermolecular hydrogen bonding.
- The observed hydrogen bonding network results in a polymeric chain arrangement, influencing the solid-state properties.