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Bis(2,3-dimethylquinoxalinium) tribromocuprate(I)
1Department of Chemistry, Washington State University, Pullman, WA 99164, USA. willett@mail.wsu.edu
Summary
This study details the crystal structure of a copper bromide compound, revealing layered arrangements of cations and anions. Hydrogen bonding between these layers creates a stable three-dimensional framework.
Area of Science:
- Crystal Chemistry
- Solid-State Chemistry
- Coordination Chemistry
Background:
- Layered crystal structures offer unique properties.
- Copper bromide complexes exhibit diverse coordination geometries.
- Hydrogen bonding plays a crucial role in stabilizing crystal lattices.
Purpose of the Study:
- To elucidate the crystal structure of the title compound, (C10H11N2)2[CuBr3].
- To investigate the coordination environment of the copper(II) ion.
- To understand the role of hydrogen bonding in the structural assembly.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Analysis of intermolecular interactions, including hydrogen bonding, was performed.
- Coordination geometry of the copper center was analyzed.
Main Results:
- The crystal structure consists of planar monoprotonated organic cations and isolated trigonal-planar [CuBr3]2- anions.
- The [CuBr3]2- anions are arranged in layers.
- Hydrogen bonds connect cations in adjacent layers, forming a 3D network.
Conclusions:
- The compound exhibits a layered structure stabilized by extensive hydrogen bonding.
- The trigonal-planar geometry of the [CuBr3]2- anion is confirmed.
- The interplay between ionic layers and hydrogen bonding dictates the overall crystal stability.