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Updated: May 26, 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
Bis[(1-vinyl-1H-imidazol-2-yl-κN)methanamine-κN]copper(II) bis-(hexa-fluoridophosphate)
Abstract:
In the title compound, [Cu(C(6)H(9)N(3))(2)](PF(6))(2), the Cu atom is located on a crystallographic center of inversion. The coordination environment of the Cu atom is square-planar with two amino and two imidazole N atoms bonded to the metal in a trans configuration.
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Valence Bond Theory
Colors and Magnetism
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.