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Updated: Jun 1, 2026

Syntheses, Crystallization, and Spectroscopic Characterization of 3,5-Lutidine N-Oxide Dehydrate
Published on: April 24, 2018
2-(3-Meth-oxy-phen-oxy)pyrimidine.
Shah Bakhtiar Nasir1, Zanariah Abdullah, Zainal A Fairuz
1Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
This study details the crystal structure of a novel organic compound, C(11)H(10)N(2)O(2). The research highlights unique molecular arrangements driven by intermolecular forces, forming a supramolecular array.
Area of Science:
- Crystallography
- Supramolecular Chemistry
- Organic Chemistry
Background:
- Understanding molecular interactions is crucial for designing new materials.
- Crystal structure analysis reveals fundamental packing and bonding characteristics.
- Organic compounds with pyrimidine and benzene rings are building blocks for various functional molecules.
Purpose of the Study:
- To elucidate the crystal structure of the title compound C(11)H(10)N(2)O(2).
- To investigate the intermolecular interactions governing the solid-state arrangement.
- To characterize the supramolecular architecture formed in the crystal.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of dihedral angles and intermolecular distances was performed.
- Identification of non-covalent interactions, including C-H⋯π and π-π stacking, was conducted.
Main Results:
- The crystal structure of C(11)H(10)N(2)O(2) was determined, revealing a near-orthogonal orientation between the benzene and pyrimidine rings (dihedral angle = 84.40°).
- Significant C-H⋯π and π-π interactions (centroid-centroid separation = 3.7658 Å) were identified.
- These interactions facilitate the formation of a supramolecular array in the ac plane, with layers interdigitating along the b axis.
Conclusions:
- The title compound exhibits a unique crystal packing driven by specific intermolecular forces.
- The observed supramolecular arrangement provides insights into the solid-state behavior of such organic molecules.
- This structural information is valuable for predicting and controlling material properties.
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