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2-Chloro-N-(2,5-dichloro-phen-yl)acetamide.
The N-H bond in C(8)H(6)Cl(3)NO is anti to the C=O bond. Close intramolecular hydrogen bonds involving chlorine atoms were observed in this crystal structure.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- Understanding molecular conformation is crucial for predicting chemical properties.
- Intramolecular hydrogen bonding influences molecular geometry and stability.
Purpose of the Study:
- To determine the precise molecular conformation of the title compound, C(8)H(6)Cl(3)NO.
- To investigate the presence and nature of intramolecular hydrogen bonds within the crystal structure.
Main Methods:
- Single-crystal X-ray diffraction was employed to analyze the molecular structure.
- Crystallographic data was used to determine bond orientations and intermolecular interactions.
Main Results:
- The N-H bond was found to be in an anti conformation relative to the C=O bond.
- The N-H hydrogen atom participates in intramolecular hydrogen bonds with both ortho-ring chlorine and side-chain chlorine atoms.
- Molecules were observed to crystallize in planes parallel to the (221) crystallographic plane.
Conclusions:
- The anti conformation and observed hydrogen bonding significantly dictate the molecular packing in the crystal.
- The study provides detailed structural insights into chlorinated organic compounds with potential implications for their reactivity and physical properties.
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