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DFTB parameter set for calculating Zn bulk, ZnO bulk, ZnO surfaces and ZnO with organic molecules
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dftbparams/znorg
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(c) 2017, Thomas Frauenheim, Universität Bremen All rights reserved This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, consult the LICENSE file or visit http://creativecommons.org/licenses/by-sa/4.0/ . NOTE: The rights holder(s) for this work explicitly require that the attribution conditions of this license are enforced. Use in part or in whole of this data is permitted only under the condition that the scientific background of the Licensed Material will be CITED IN ANY PUBLICATIONS ARISING FROM ITS USE. The required references are specified in this file and must be included in resulting works. Description =========== The set has been developed for simulating Zn interactions with H,C,N,O, S and Zn in both solid state and molecular environments. The parameters have been tested for bulk solids (hcp-Zn, zb-ZnS and w-ZnO), ZnO surfaces (clean and with small adsorbates), ZnO nanostructures and Zn-containing molecular complexes [JCTC09]. The parameters have showed good results in comparison with DFT methods. Bond length accuracies have been found better than 0.1 Å and bond angles better than 10°. Binding energies have been consistently overestimated (~0.5eV/bond). This parametrization has also furnished reliable electronic band structures for ZnO, including reasonable descriptions for the conduction band and band gap of ~4.1 eV. More details about this parametrization can be found in [JCTC09]. Required references ------------------- [JCTC09] Moreira, N. H., Dolgonos, G., Aradi, B., da Rosa, A.L. and Frauenheim Th. J. Chem. Theory and Comput., 5(3), 605-614 (2009).
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DFTB parameter set for calculating Zn bulk, ZnO bulk, ZnO surfaces and ZnO with organic molecules
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