Related Experiment Video
Updated: Jun 1, 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
Dichlorido{N-[1-(2-pyrid-yl)ethyl-idene]ethane-1,2-diamine}copper(II)
This study characterizes a novel copper(II) complex, [CuCl2(C9H13N3)], revealing a five-coordinate copper atom with a trigonal-pyramidal geometry. Molecular chains form via intermolecular hydrogen bonds in the crystal structure.
Area of Science:
- Inorganic Chemistry
- Coordination Chemistry
- Crystallography
Background:
- Copper(II) complexes are vital in catalysis and materials science.
- Understanding coordination geometry is key to predicting complex properties.
- Ligand design influences the structure and reactivity of metal complexes.
Purpose of the Study:
- To synthesize and characterize a new copper(II) complex, [CuCl2(C9H13N3)].
- To determine the coordination geometry and electronic properties of the copper(II) center.
- To investigate the intermolecular interactions in the solid state.
Main Methods:
- Single-crystal X-ray diffraction was used to elucidate the molecular and crystal structure.
- The continuous shape measure (CSM) analysis, using the tau parameter (τ), was employed to quantify the geometry.
- Infrared spectroscopy was utilized to identify functional groups and confirm the presence of ligands.
Main Results:
- The complex, [CuCl2(C9H13N3)], was synthesized and structurally characterized.
- The copper(II) atom is five-coordinate with a distorted trigonal-pyramidal geometry (τ = 0.102).
- Intermolecular N-H⋯Cl and C-H⋯Cl hydrogen bonds link molecules into chains in the crystal lattice.
Conclusions:
- The synthesized copper(II) complex exhibits a unique five-coordinate geometry.
- Hydrogen bonding plays a significant role in the supramolecular assembly of the complex.
- This structural insight contributes to the understanding of copper coordination chemistry and solid-state properties.
More Related Videos
06:36Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper
Published on: February 27, 2021
11:04Ion Mobility-Mass Spectrometry Techniques for Determining the Structure and Mechanisms of Metal Ion Recognition and Redox Activity of Metal Binding Oligopeptides
Published on: September 7, 2019
Related Concept Videos
Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions
Ionic Compounds: Formulas and Nomenclature
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.
Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
Ladder Diagrams: Complexation Equilibria
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
Extraction: Advanced Methods