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Updated: Jun 1, 2026
09:45
Modification and Functionalization of the Guanidine Group by Tailor-made Precursors
Published on: April 27, 2017
Guanidinium tetra-bromidomercurate(II)
Summary
The crystal structure of guanidinium tetrabromomercurate reveals tetrahedrally coordinated mercury atoms. Bromine-hydrogen bonds link these units into a 3D network, influenced by varying hydrogen atom connections.
Area of Science:
- Crystal Chemistry
- Inorganic Chemistry
- Materials Science
Background:
- Guanidinium salts and mercury halides are known for diverse structural motifs.
- Understanding hydrogen bonding in coordination compounds is crucial for predicting material properties.
Purpose of the Study:
- To elucidate the crystal structure of guanidinium tetrabromomercurate, (CH(6)N(3))(2)[HgBr(4)].
- To investigate the role of hydrogen bonding in forming the three-dimensional network.
Main Methods:
- Single-crystal X-ray diffraction analysis.
- Structural characterization of the title compound.
Main Results:
- The mercury (Hg) atoms exhibit tetrahedral coordination with four bromine (Br) atoms.
- The [HgBr(4)](2-) anions and [C(NH(2))(3)](+) cations are interconnected via bromine-hydrogen bonds, forming a 3D network.
- Variations in Hg-Br bond distances are attributed to differential hydrogen bonding interactions.
Conclusions:
- The crystal structure is stabilized by a network of bromine-hydrogen bonds.
- The coordination geometry around mercury and the hydrogen bonding patterns dictate the overall network architecture.
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Published on: September 9, 2016
12:59A Study of the Complexation of Mercury(II) with Dicysteinyl Tetrapeptides by Electrospray Ionization Mass Spectrometry
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