Extension of the Self-Consistent-Charge Density-Functional Tight-Binding Method: Third-Order Expansion of the Density Functional Theory Total Energy and Introduction of a Modified Effective Coulomb Interaction
✍ Scribed by Yang, ; Yu, Haibo; York, Darrin; Cui, Qiang; Elstner, Marcus
- Book ID
- 125893112
- Publisher
- American Chemical Society
- Year
- 2007
- Tongue
- English
- Weight
- 210 KB
- Volume
- 111
- Category
- Article
- ISSN
- 1089-5639
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## Abstract We present a detailed study of harmonic vibrational frequencies obtained with the self‐consistent charge density functional tight‐binding (SCC‐DFTB) method. Our testing set comprises 66 molecules and 1304 distinct vibrational modes. Harmonic vibrational frequencies are computed using an
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