Localized atomic orbitals are the preferred basis set choice for large-scale explicit correlated calculations, and high-quality hierarchical correlation-consistent basis sets are a prerequisite for correlated methods to deliver numerically reliable results. At present, numeric atom-centered orbital (NAO) basis sets with valence correlation consistency (VCC), designated as NAO-VCC-nZ, are only available for light elements from hydrogen (H) to argon (Ar) [Zhang et al., New J. Phys. 15, 123033 (2013)]. In this work, we extend this series by developing NAO-VCC-nZ basis sets for krypton (Kr), a prototypical element in the fourth row of the periodic table. We demonstrate that NAO-VCC-nZ basis sets facilitate the convergence of electronic total-energy calculations using the Random Phase Approximation (RPA), which can be used together with a two-point extrapolation scheme to approach the complete basis set limit. Notably, the Basis Set Superposition Error (BSSE) associated with the newly generated NAO basis sets is minimal, making them suitable for applications where BSSE correction is either cumbersome or impractical to do. After confirming the reliability of NAO basis sets for Kr, we proceed to calculate the Helmholtz free energy for Kr crystal at the theoretical level of RPA plus renormalized single excitation correction. From this, we derive the pressure–volume (P–V) diagram, which shows excellent agreement with the latest experimental data. Our work demonstrates the capability of correlation-consistent NAO basis sets for heavy elements, paving the way toward numerically reliable correlated calculations for bulk materials.
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14 January 2024
Research Article|
January 09 2024
Developing correlation-consistent numeric atom-centered orbital basis sets for krypton: Applications in RPA-based correlated calculations
Special Collection:
John Perdew Festschrift
Sixian Yang
;
Sixian Yang
(Data curation, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
Key Laboratory of Quantum Information, University of Science and Technology of China
, Hefei 230026, China
2
Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
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Igor Ying Zhang
;
Igor Ying Zhang
a)
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Software, Supervision, Validation, Writing – review & editing)
3
Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai, Key Laboratory of Molecular Catalysis and Innovative Materials, MOE Key Laboratory of Computational Physical Sciences, Shanghai Key Laboratory of Bioactive Small Molecules, Department of Chemistry, Fudan University
, Shanghai 200433, China
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Xinguo Ren
Xinguo Ren
b)
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Writing – review & editing)
2
Institute of Physics, Chinese Academy of Sciences
, Beijing 100190, China
b)Author to whom correspondence should be addressed: renxg@iphy.ac.cn
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b)Author to whom correspondence should be addressed: renxg@iphy.ac.cn
J. Chem. Phys. 160, 024112 (2024)
Article history
Received:
September 04 2023
Accepted:
December 04 2023
Citation
Sixian Yang, Igor Ying Zhang, Xinguo Ren; Developing correlation-consistent numeric atom-centered orbital basis sets for krypton: Applications in RPA-based correlated calculations. J. Chem. Phys. 14 January 2024; 160 (2): 024112. https://doi.org/10.1063/5.0174952
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