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[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
Published on: May 21, 2019
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Exploring C-F···π Interactions: Synthesis, Characterization, and Surface Analysis of Copper β-Diketone Complexes
Babak Mirtamizdoust1, Amirhossein Karamad1, Faeze Mojtabazade2
1Department of Chemistry, Faculty of Science, University of Qom, Qom 3716146611, Islamic Republic of Iran.
ACS Omega
|February 12, 2024
Summary
Two novel copper β-diketone complexes were synthesized and characterized, revealing the crucial role of halogen bonds in their structures. Hydrogen bonds significantly influence both complexes, with halogen bonds being notable in one.
Area of Science:
- Coordination Chemistry
- Supramolecular Chemistry
- Materials Science
Background:
- Copper β-diketone complexes are of interest due to their diverse applications.
- Understanding non-covalent interactions is key to controlling complex structures and properties.
- Halogen bonding is an increasingly recognized interaction in crystal engineering.
Purpose of the Study:
- To synthesize and characterize two novel copper β-diketone complexes.
- To investigate the structural influence of halogen bonds and other non-covalent interactions.
- To explore the coordination geometry and intermolecular forces within the synthesized complexes.
Main Methods:
- Single-crystal X-ray diffraction for structural determination.
- UV-Vis and IR spectroscopy for characterization.
- Hirshfeld surface analysis to quantify intermolecular interactions.
Main Results:
- Two copper β-diketone complexes, [Cu(L1)2(ttfa)2]·2CH3OH (1) and [Cu(L1)(dfpb)2] (2), were successfully synthesized.
- Complex 1 exhibits an octahedral copper coordination sphere and features significant halogen bonding.
- Complex 2 shows a square pyramidal coordination geometry, with hydrogen bonds contributing over 30% to the Hirshfeld surface area in both complexes.
Conclusions:
- Halogen bonds play a critical role in the structural organization of copper β-diketone complexes.
- Hydrogen bonding is a dominant interaction in the studied complexes, influencing their crystal packing.
- The findings provide insights into the structure-property relationships of these complexes, suggesting potential applications.
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