<P>We present the results of our recent parametrization of the boron boron and boron, hydrogen interactions for the self-consistent charge density-functional-based tight-binding (SCC-DFTB) method. To evaluate the performance, we compare SCC-DFTB...
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https://www.riss.kr/link?id=A107675813
2012
-
SCOPUS,SCIE
학술저널
1153-1163(11쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>We present the results of our recent parametrization of the boron boron and boron, hydrogen interactions for the self-consistent charge density-functional-based tight-binding (SCC-DFTB) method. To evaluate the performance, we compare SCC-DFTB...
<P>We present the results of our recent parametrization of the boron boron and boron, hydrogen interactions for the self-consistent charge density-functional-based tight-binding (SCC-DFTB) method. To evaluate the performance, we compare SCC-DFTB to full density functional theory (DFT) and wave-function-based semiempirical methods (AM1 and MNDO). Since the advantages of SCC-DFTB emerge especially for large systems, we calculated molecular systems of boranes and pure boron nanostructures. Computed bond lengths, bond angles, and vibrational frequencies are close to DFT predictions. We find that the proposed parametrization provides a transferable and balanced description of both finite and periodic systems.</P>