期刊
JOURNAL OF CHEMICAL THEORY AND COMPUTATION
卷 18, 期 3, 页码 1821-1837出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jctc.1c01269
关键词
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资金
- National Science Foundation [CHE 2102461]
- National Natural Science Foundation of China [22073072]
- Double First-class University Construction Project of Northwest University
This article introduces a PyMOL plugin called LModeA-nano, which assesses bond strength in periodic systems and allows for comparison across different dimensions.
The analysis of chemical bonding in crystal structures and surfaces is an important research topic in theoretical chemistry. In this work, we present a PyMOL plugin, named LModeA-nano, as implementation of the local vibrational mode theory for periodic systems (Tao et al. J. Chem. Theory Comput. 2019, 15, 1761) assessing bond strength in terms of local stretching force constants in extended systems of one, two, and three dimensions. LModeA-nano can also analyze chemical bonds in isolated molecular systems thus enabling a head-to-head comparison of bond strength across systems with different dimensions in periodicity (0-3D). The new code is interfaced to the output generated by various solid-state modeling packages including VASP, CP2K, Quantum ESPRESSO, CASTEP, and CRYSTAL. LModeA-nano is cross- platform, open-source and freely available on GitHub: https://github.com/smutao/LModeA-nano.
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