Density Functional Theory Applications in Coordination Chemistry

Density Functional Theory (DFT) has become an indispensable tool for probing the electronic structure, geometry and reactivity of coordination compounds. By solving the electron density as the fundamental variable, DFT enables accurate predictions of metal–ligand bond lengths, spin states and energetic profiles of catalytic cycles. In coordination chemistry, it underpins the interpretation of spectroscopic signatures—infrared, Raman and UV–visible—as well as magnetic and redox behaviour. Modern implementations incorporate hybrid functionals and dispersion corrections to capture weak interactions and Jahn–Teller distortions in transition‐metal complexes. DFT also facilitates the design of functional materials, from metalloenzymes and single‐molecule magnets to photocatalysts for solar fuel generation. Calculation of frontier molecular orbitals, spin‐density distributions and natural bond orbital populations reveals pathways for bond activation and electron transfer. Potential energy surface scans identify the most stable conformers of multinuclear assemblies, guiding the synthesis of supramolecular architectures. By integrating vibrational analysis and thermochemical data, DFT supports the rational optimisation of coordination compounds for applications in drug design, environmental remediation and energy conversion. This theoretical framework thus unites fundamental insights and practical applications across the global research landscape.

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Density Functional Theory Applications in Coordination Chemistry publication trend

The graph below shows the total number of articles in density functional theory applications in coordination chemistry across all publications each year (not limited to Nature Index journals).

Technical terms

Density Functional Theory (DFT): A quantum mechanical method in which electron density is the central variable for calculating molecular properties.

Frontier Molecular Orbitals: The highest occupied and lowest unoccupied molecular orbitals that govern a molecule’s reactivity.

Basis Set: A collection of mathematical functions used to describe the electron density in quantum calculations.

Natural Bond Orbital Analysis: A technique for partitioning electron density into localized bonds and lone pairs.

Hirshfeld Surface: A representation of intermolecular interactions based on electron density partitioning in a crystal lattice.

References

1. Antibacterial [Zn(nicotinamide)2Cl2] complex for the treatment of skin conditions: An experimental-theoretical study of physicochemical, microbiological and in silico pharmacokinetic properties. Journal of Molecular Liquids (2024).
2. Dichloro-bis(theophylline)-copper(II) complex: Characterization of the physicochemical, computational pharmacokinetics, molecular docking, and cytotoxicity as potential antitumoral medicine. Polyhedron (2024).