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Melaminium nitrate-melamine-water (1/1/1)
Summary
This study details the crystal structure of a melamine nitrate salt, revealing self-assembly of melamine and melaminium molecules into hexagonal motifs via hydrogen bonds. Nitrate anions and water molecules form a 3D network, highlighting supramolecular chemistry.
Area of Science:
- Crystallography
- Supramolecular Chemistry
- Materials Science
Background:
- Melamine (1,3,5-triazine-2,4,6-triamine) is a nitrogen-rich organic compound with diverse applications.
- Understanding the crystal structure of melamine salts is crucial for designing new materials with tailored properties.
Purpose of the Study:
- To elucidate the crystal structure of the title salt, C(3)H(7)N(6)(+)·NO(3)(-)·C(3)H(6)N(6)·H(2)O.
- To investigate the self-assembly behavior and hydrogen bonding interactions within the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the crystal structure.
- Analysis of hydrogen bonding networks (N-H⋯N, N-H⋯O) was performed.
Main Results:
- The asymmetric unit contains neutral melamine, melaminium cations, nitrate anions, and water molecules.
- Melamine and melaminium molecules form supramolecular hexagonal motifs through N-H⋯N hydrogen bonds.
- Nitrate anions and water molecules participate in N-H⋯O hydrogen bonds, creating a three-dimensional network.
Conclusions:
- The crystal structure reveals a complex interplay of hydrogen bonding leading to ordered supramolecular architectures.
- The findings contribute to the understanding of melamine-based salt crystallization and network formation.
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