Extending Hirshfeld-I to bulk and periodic materials

Abstract

In this work, a method is described to extend the iterative Hirshfeld-I method, generally used for molecules, to periodic systems. The implementation makes use of precalculated pseudo-potential based charge density distributions, and it is shown that high quality results are obtained for both molecules and solids, such as ceria, diamond, and graphite. The use of such grids makes the implementation independent of the solid state or quantum chemical code used for studying the system. The extension described here allows for easy calculation of atomic charges and charge transfer in periodic and bulk systems.

11 pages, 4 Tables, 5 Figures, pre-referee draft only, much extended post referee version only available at publisher

References in corpus (1)

• Paramagnetic adsorbates on graphene: a charge transfer analysis

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