Effect of chemical change on TDDFT accuracy: orbital overlap perspective of the hydrogenation of retinal.

Phys Chem Chem Phys

Department of Chemistry, Durham University, South Road, Durham, UKDH1 3LE.

Published: March 2010


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Article Abstract

The breakdown in TDDFT accuracy that can accompany a simple chemical change can be understood and predicted using an orbital overlap perspective. This is illustrated for the hydrogenation of retinal. Errors in charge-transfer excitation energies and oscillator strengths in the donor-acceptor product are largely eliminated using a Coulomb-attenuated functional.

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http://dx.doi.org/10.1039/c002428gDOI Listing

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