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Updated: Jun 1, 2026
06:44
From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
Published on: March 24, 2018
1-Methyl-3-n-tetra-decyl-imidazolium bromide monohydrate
1Department of Applied Chemistry, College of Science, Nanjing University of Technology, Nanjing 210009, People's Republic of China.
Summary
This study details the crystal structure of an ionic liquid salt hydrate, C(18)H(35)N(2)+·Br-·H(2)O. The cation
Area of Science:
- Crystal chemistry
- Materials science
- Supramolecular chemistry
Background:
- Ionic liquids are versatile materials with tunable properties.
- Salt hydrates offer unique structural and energetic characteristics.
- Understanding the solid-state behavior of ionic liquid hydrates is crucial for their application.
Purpose of the Study:
- To elucidate the crystal structure of the ionic liquid salt hydrate C(18)H(35)N(2)+·Br-·H(2)O.
- To identify the key intermolecular interactions stabilizing the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction analysis.
- Analysis of hydrogen bonding and other non-covalent interactions.
Main Results:
- The crystal structure reveals an extended conformation of the cation's side chain.
- The primary stabilizing interactions are O-H⋯Br hydrogen bonds.
- Secondary interactions include C-H⋯O and C-H⋯Br interactions.
Conclusions:
- The specific arrangement of the ionic liquid cation, bromide anion, and water molecule dictates the crystal packing.
- Hydrogen bonding plays a dominant role in the structural integrity of this ionic liquid salt hydrate.
- The findings contribute to the fundamental understanding of ionic liquid hydrate structures.
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