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Melaminium sulfate.

Bao-Yong Zhu¹, De-Liang Cui, Hai-Peng Jing

¹Institute of Crystalline Materials, Shandong University, Jinan 250100, People's Republic of China.

Acta Crystallographica. Section E, Structure Reports Online

|January 5, 2011

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This study details the crystal structure of a melaminium sulfate compound. Melaminium cations and sulfate anions form layered structures linked by hydrogen bonds and pi-pi stacking.

Area of Science:

Crystallography
Materials Science
Supramolecular Chemistry

Background:

Melamine-based compounds exhibit diverse applications due to their unique chemical structures.
Understanding the intermolecular interactions in crystalline materials is crucial for predicting their properties.

Purpose of the Study:

To elucidate the crystal structure and intermolecular interactions of the title compound, C(3)H(8)N(6) (2+)·SO(4) (2-).
To investigate the role of hydrogen bonding and pi-pi stacking in the self-assembly of melaminium sulfate.

Main Methods:

Single-crystal X-ray diffraction analysis was employed to determine the crystal structure.
Analysis of hydrogen bonding (N-H⋯N and N-H⋯O) and pi-pi stacking interactions.

Main Results:

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The crystal structure reveals melaminium cations and sulfate anions interconnected by N-H⋯N and N-H⋯O hydrogen bonds, forming layers in the (101) plane.
These layers are further stabilized by intermolecular hydrogen bonds and pi-pi stacking interactions with a centroid-centroid distance of approximately 3.4 Å.

Conclusions:

The melaminium sulfate compound exhibits a layered crystal structure driven by specific hydrogen bonding and pi-pi stacking interactions.
These findings contribute to the understanding of supramolecular assembly in organic-inorganic hybrid materials.