Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 16, Issue 28, Pages 14614-14624Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp01331j
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Funding
- Research Foundation Flanders (FWO)
- Vrije Universiteit Brussel (VUB)
- FWO
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Most of the work done on the linear response kernel chi(r,r') has focussed on its atom-atom condensed form chi(AB). Our previous work [Boisdenghien et al., J. Chem. Theory Comput., 2013, 9, 1007] was the first effort to truly focus on the non-condensed form of this function for closed (sub) shell atoms in a systematic fashion. In this work, we extend our method to the open shell case. To simplify the plotting of our results, we average our results to a symmetrical quantity chi(r,r'). This allows us to plot the linear response kernel for all elements up to and including argon and to investigate the periodicity throughout the first three rows in the periodic table and in the different representations of chi(r,r'). Within the context of Spin Polarized Conceptual Density Functional Theory, the first two-dimensional plots of spin polarized linear response functions are presented and commented on for some selected cases on the basis of the atomic ground state electronic configurations. Using the relation between the linear response kernel and the polarizability we compare the values of the polarizability tensor calculated using our method to high-level values.
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