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New molecular oxo-hydroxo clusters were synthesized using arylstibonic acids. Structural analysis confirmed the formation of five distinct clusters, demonstrating their stability in solution.

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Area of Science:

  • Inorganic Chemistry
  • Materials Science
  • Supramolecular Chemistry

Background:

  • Molecular oxo-hydroxo clusters are versatile compounds with diverse applications.
  • The synthesis of novel clusters requires exploration of new precursor combinations.

Purpose of the Study:

  • To synthesize novel molecular oxo-hydroxo clusters.
  • To characterize the structure and stability of these newly synthesized clusters.

Main Methods:

  • Reaction of arylstibonic acids with organophosphonic and phenylseleninic acids.
  • Single crystal X-ray structural elucidation.
  • Mass spectrometry and solution Nuclear Magnetic Resonance (NMR) studies (¹H, ³¹P, ⁷⁷Se).

Main Results:

  • Successfully synthesized five distinct molecular oxo-hydroxo clusters: [(p-i-PrC₆H₄Sb)₄(OH)₄(t-BuPO₃)₆] (1), [(p-t-BuC₆H₄Sb)₄(O)₂(PhPO₃)₄(PhPO₃H)₄] (2), [(p-i-PrC₆H₄Sb)₄(O)₃(OH)(PhSeO₂)₂(t-BuPO₃)₄(t-BuPO₃H₂)₂] (3), [(p-MeC₆H₄Sb)₄(O)₃(OH)(PhSeO₂)₂(t-BuPO₃)₄(t-BuPO₃H₂)₂] (4), and [(p-t-BuC₆H₄Sb)₂(O)(PhSeO₂)₂(t-BuPO₃H)₄] (5).
  • X-ray diffraction confirmed the solid-state structures of all five clusters.
  • Mass spectrometry and NMR spectroscopy demonstrated that the clusters maintain their structural integrity in solution.

Conclusions:

  • The study successfully synthesized and characterized novel molecular oxo-hydroxo clusters.
  • The findings highlight the utility of arylstibonic acids in constructing complex inorganic clusters.
  • The stability of these clusters in solution opens avenues for their application in various chemical processes.