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Updated: Jun 18, 2026
![[(DPEPhos)(bcp)Cu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F59739.jpg&w=3840&q=50)
[(DPEPhos)(bcp)Cu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
Published on: May 21, 2019
Copper(II) succinate complexes with 1,2-di-4-pyridylethane and 1,3-di-4-pyridylpropane
M J González Garmendia1, V San Nacianceno, J M Seco
1Grupo de Química Inorgánica, Facultad de Ciencias Químicas, Universidad del País Vasco UPV/EHU, Apartado 1072, 20080 San Sebastián, Spain.
Two novel copper(II) coordination polymers exhibit polymeric structures with dicopper units bridged by succinate and crosslinked by pyridyl ligands. Magnetic susceptibility and electron paramagnetic resonance studies reveal antiferromagnetic interactions and spin triplet signals in these materials.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Solid-State Chemistry
Background:
- Coordination polymers offer tunable properties based on metal centers and organic linkers.
- Dicopper units within polymeric frameworks are of interest for magnetic and electronic applications.
Purpose of the Study:
- To synthesize and characterize two new dicopper(II) coordination polymers with succinate and bis(pyridyl) ligands.
- To investigate the structural, magnetic, and spectroscopic properties of these novel compounds.
Main Methods:
- Single-crystal X-ray diffraction for structural elucidation.
- Magnetic susceptibility measurements to probe magnetic interactions.
- Electron paramagnetic resonance (EPR) spectroscopy to detect spin states.
Main Results:
- The synthesis of poly[di-mu(4)-succinato-mu(2)-1,2-di-4-pyridylethane-dicopper(II)] and poly[di-mu(4)-succinato-mu(2)-1,3-di-4-pyridylpropane-dicopper(II)] was achieved.
- Both compounds display polymeric structures with doubly bridged dicopper units and crosslinked bis(pyridyl) ligands.
- Magnetic studies indicated antiferromagnetic interactions between copper centers, consistent with spin triplet signals observed in EPR spectra.
Conclusions:
- The studied compounds represent novel dicopper(II) coordination polymers with interesting structural and magnetic properties.
- The succinate and bis(pyridyl) ligands effectively bridge dicopper units, leading to extended polymeric networks.
- Antiferromagnetic coupling and spin triplet states highlight the potential for these materials in magnetism research.
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