期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 10, 期 22, 页码 7264-7269出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.9b02838
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资金
- Research Grant Council of HKSAR [AoE/P-04/08, 17316016]
A deep neural network is constructed to yield in principle exact exchange-correlation potential. It requires merely the electron densities of small molecules and ions and yet can determine the exchange-correlation potentials of large molecules. We train and validate the neural network based on the data for H-2 and HeH+ and subsequently determine the ground-state electron density of stretched HeH+, linear H-3(+), and H-He-He-H2+. Moreover, the deep neural network is proven to model the van der Waals interaction by being trained and validated on a data set containing He-2. Comparisons to B3LYP are given to illustrate the accuracy and transferability of the neural network.
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