Two Strandberg-type organophosphomolybdates: synthesis, crystal structures and catalytic properties

Area of Science:

• Materials Chemistry
• Coordination Polymers
• Polyoxometalates

Background:

• Organophosphomolybdate compounds offer versatile structures for advanced materials.
• Copper-coordination polymers are of interest for their diverse structural motifs and properties.

Purpose of the Study:

• To synthesize and characterize novel Strandberg-type organophosphomolybdate hybrid compounds.
• To investigate the structural, fluorescence, and catalytic properties of these new materials.

Main Methods:

• Mild hydrothermal synthesis.
• Physico-chemical and spectroscopic characterization.
• Single crystal X-ray diffraction analysis.

Main Results:

• Two novel 3D polyoxometalate-based Cu-coordination polymers, compounds 1 and 2, were successfully synthesized.
• Structural analysis revealed distinct network architectures in compounds 1 and 2, involving {(C6H5P)2Mo5} polyanions and Cu-bipy units.
• The compounds demonstrated fluorescence properties and catalytic activity in the synthesis of cyclohexanone ethylene ketal.

Conclusions:

• The study successfully developed novel organophosphomolybdate-Cu-coordination polymers with unique 3D frameworks.
• The synthesized compounds exhibit promising fluorescence and catalytic functionalities, paving the way for further applications in materials science and catalysis.