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Updated: Jun 5, 2026

Facile Preparation of 4-Substituted Quinazoline Derivatives
Published on: February 15, 2016
2-Nitro-N-(4-pyridinio)benzene-sulfonamidate.
This study details the crystal structure of a novel compound, C(11)H(9)N(3)O(4)S. The research reveals its zwitterionic form in the solid state, stabilized by hydrogen bonds and weak interactions.
Area of Science:
- Crystallography
- Solid-state chemistry
- Molecular structure analysis
Background:
- Understanding the solid-state behavior of organic compounds is crucial for materials science.
- The title compound, C(11)H(9)N(3)O(4)S, presents an interesting case for structural investigation.
Purpose of the Study:
- To elucidate the crystal structure of the title compound.
- To characterize the intermolecular interactions governing the solid-state arrangement.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of intermolecular interactions, including hydrogen bonding and van der Waals forces.
Main Results:
- The title compound, C(11)H(9)N(3)O(4)S, crystallizes with two molecules in the asymmetric unit.
- Each molecule adopts a zwitterionic form in the solid state.
- Intermolecular N-H⋯N hydrogen bonds form chains, and weak C-H⋯O interactions further stabilize the crystal packing.
Conclusions:
- The crystal structure provides insights into the solid-state behavior of this zwitterionic compound.
- Hydrogen bonding plays a significant role in the self-assembly and stability of the crystal lattice.
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