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Updated: Jun 5, 2026
12:59
A Study of the Complexation of Mercury(II) with Dicysteinyl Tetrapeptides by Electrospray Ionization Mass Spectrometry
Published on: January 8, 2016
[Bis(2-pyridylmeth-yl)amine]dichloridomercury(II)
Acta Crystallographica. Section E, Structure Reports Online
|January 5, 2011
Summary
The mercury (Hg) complex [HgCl(2)(C(12)H(13)N(3))] features a square-pyramidal structure. The mercury atom is coordinated by a tridentate ligand and two chloride ions, with disorder observed in the ligand.
Area of Science:
- Inorganic Chemistry
- Coordination Chemistry
- Crystallography
Background:
- Mercury complexes are of interest due to their diverse coordination geometries and potential applications.
- Understanding the structural characteristics of mercury complexes provides insights into metal-ligand interactions.
Purpose of the Study:
- To characterize the crystal structure of the mercury complex [HgCl(2)(C(12)H(13)N(3))].
- To determine the coordination geometry and bonding environment around the mercury atom.
Main Methods:
- Single-crystal X-ray diffraction was employed to analyze the crystal structure.
- The structure was solved and refined using crystallographic software.
Main Results:
- The mercury atom adopts a square-pyramidal geometry.
- The mercury atom is coordinated by three nitrogen atoms from a bis-(2-pyridylmeth-yl)amine ligand and two chloride ligands.
- One chloride ligand occupies the apical position.
- Disorder was observed in the amine portion of the ligand, modeled over two sites with a major component occupancy factor of 0.794(14).
Conclusions:
- The study successfully elucidated the square-pyramidal coordination geometry of the mercury complex.
- The observed disorder in the ligand provides valuable information for understanding conformational flexibility in related complexes.
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