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Published on: October 19, 2017
2-(Ammonio-meth-yl)pyridinium sulfate monohydrate
M Schutte1, H G Visser, A Roodt
1Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein 9300, South Africa.
This study investigates the crystal structure of a hydrated molecular salt, revealing how hydrogen bonds connect molecules into distinct layers. These interactions are crucial for understanding the salt's overall structural organization and properties.
Area of Science:
- Crystallography
- Materials Science
- Supramolecular Chemistry
Background:
- Understanding the hydrogen bonding networks in molecular crystals is essential for predicting material properties.
- Hydrated salts present complex structures due to the involvement of water molecules in bonding.
Purpose of the Study:
- To elucidate the crystal structure of the title hydrated molecular salt, C(6)H(10)N(2) (2+)·SO(4) (2-)·H(2)O.
- To identify and characterize the hydrogen bonding interactions within the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the three-dimensional crystal structure.
- Analysis of intermolecular interactions, including hydrogen bonds, was performed.
Main Results:
- The crystal structure features N-H⋯O and O-H⋯O hydrogen bonds linking molecules into layers parallel to the ab plane.
- C-H⋯O hydrogen bonds were identified, contributing to both intralayer and interlayer cohesion.
Conclusions:
- The hydrogen bonding network dictates the layered structure of this hydrated molecular salt.
- The interplay of various hydrogen bonds (N-H⋯O, O-H⋯O, C-H⋯O) governs the overall crystal architecture and stability.
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