Metal-ligand cooperativity enables zero-valent metal transfer

Area of Science:

• Organometallic Chemistry
• Inorganic Chemistry
• Materials Science

Background:

• Group 13 elements are crucial in various chemical applications.
• Aminoxy ligands, like TEMPO, offer unique coordination properties.
• Hydrogen activation is a key process in catalysis and synthesis.

Purpose of the Study:

• To synthesize and characterize Group 13 aminoxy complexes.
• To investigate the hydrogen activation capabilities of these complexes.
• To explore the potential of indium complexes as sources of zero-valent indium.

Main Methods:

• Synthesis and structural characterization of Group 13 aminoxy complexes.
• Heterolytic cleavage of H₂ under mild conditions.
• Powder X-ray diffraction for structural analysis.
• Computational studies to elucidate reaction mechanisms.

Main Results:

• Successfully prepared and characterized Group 13 aminoxy complexes.
• Demonstrated heterolytic H₂ cleavage by Ga and In complexes.
• Identified indium complexes as sources of zero-valent indium, forming InSe.
• Computational studies revealed intramolecular metal-ligand cooperativity.

Conclusions:

• Group 13 aminoxy complexes exhibit diverse reactivity with H₂.
• Indium complexes serve as versatile precursors for indium-based materials.
• Metal-ligand cooperativity plays a role in H₂ activation.