23-Electron Octahedral Molybdenum Cluster Complex [{Mo₆I₈}Cl₆]

Area of Science:

• Inorganic Chemistry
• Materials Science
• Solid-State Chemistry

Background:

• Photoactive transition metal compounds with reversible redox capabilities are crucial for catalysis, optoelectronics, and sensing.
• Octahedral clusters of molybdenum (Mo), tungsten (W), and rhenium (Re) are a significant class of inorganic compounds.

Purpose of the Study:

• To describe the synthesis of a rare 23-electron cluster complex, (Bu4N)[{Mo6I8}Cl6].
• To characterize the structural, electronic, magnetic, optical, and electrochemical properties of this novel cluster complex.

Main Methods:

• Chemical synthesis of the cluster complex.
• Electrochemical synthesis of the cluster complex.
• X-ray crystallography for low and room temperature crystal structure determination.
• Spectroscopic and electrochemical techniques for property analysis.

Main Results:

• Successful preparation of the 23-electron cluster complex (Bu4N)[{Mo6I8}Cl6] via chemical and electrochemical routes.
• Detailed structural analysis at both low and room temperatures.
• Comprehensive description of the electronic structure, magnetic, optical, and electrochemical properties.

Conclusions:

• The study presents a rare 23-electron octahedral cluster complex with potential applications in photoactive materials.
• The detailed characterization provides fundamental insights into the structure-property relationships of such Mo-based clusters.