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Updated: Nov 16, 2025
10:42
Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV
Published on: December 29, 2016
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Rule, Not Exclusion: Formation of Dichlorine-Containing Supramolecular Complexes with Chlorometalates(IV)
Andrey N Usoltsev1, Nikita A Korobeynikov2, Boris A Kolesov1
1Nikolaev Institute of Inorganic Chemistry SB RAS, 630090 Lavrentieva St., Novosibirsk, Russia.
Inorganic Chemistry
|February 24, 2021
Summary
New supramolecular complexes of chlorostannate(IV) and chloroplumbate(IV) were synthesized. Tetramethylammonium (TMA) complexes exhibit high thermal stability, releasing chlorine gas (Cl2) only at elevated temperatures.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Supramolecular Chemistry
Background:
- Chlorostannate(IV) and chloroplumbate(IV) complexes are of interest for their structural diversity.
- Supramolecular chemistry offers routes to novel materials with tailored properties.
Purpose of the Study:
- To synthesize and characterize novel supramolecular derivatives of chlorostannate(IV) and chloroplumbate(IV) incorporating {Cl2} units.
- To investigate the thermal stability and decomposition behavior of these new compounds.
Main Methods:
- X-ray diffractometry for structural elucidation.
- Raman spectroscopy for vibrational analysis.
- Thermal analysis to determine decomposition temperatures.
Main Results:
- Five supramolecular complexes, Cat2{[MCl6](Cl2)} (1-5), were successfully prepared, where M = Sn or Pb and cat = 1-methylpyridinium (1-MePy) or tetramethylammonium (TMA).
- Structural characterization confirmed the presence of {Cl2} units within the supramolecular framework.
- Complexes containing tetramethylammonium (TMA) cations demonstrated significant thermal stability, with chlorine gas (Cl2) release observed only at high temperatures.
Conclusions:
- The incorporation of {Cl2} units into chlorostannate(IV) and chloroplumbate(IV) frameworks leads to novel supramolecular structures.
- TMA-based complexes exhibit enhanced thermal stability, suggesting potential applications where controlled release of chlorine is desired.
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