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Analytic Derivatives of Quartic-Scaling Doubly Hybrid XYGJ-OS Functional: Theory, Implementation, and Benchmark Comparison with M06-2X and MP2 Geometries for Nonbonded Compelexes

Analytic first derivative expression of opposite-spin (OS) ansatz adapted quartic scaling doubly hybrid XYGJ-OS functional is derived and implemented into Q-Chem. The resulting algorithm scales quartically with system size as in OS-MP2 gradient, by utilizing the combination of Laplace transformation...

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Bibliografiske detaljer
Main Authors: Ji, Hyunjun, Shao, Yihan, Goddard, William A., Jung, Yousung
Format: Artigo
Sprog:Inglês
Udgivet: 2013
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC3650862/
https://ncbi.nlm.nih.gov/pubmed/23671408
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ct400050d
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