This tutorial demonstrates how "compute Hamiltonian" via interfacing with external quantum-chemistry codes
To run the tutorial, you will need
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tutorial.ipynb - the tutorial file
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dftb_input_template.hsd - a template file for the DFTB+ related calculations
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halorg-0-1 (not privided here) - the Slater-Koster files for halogen-organics, need to download it from the DFTB.org website