Results 11 to 20 of about 23,057 (226)

G4(MP2)-6X: A Cost-Effective Improvement to G4(MP2)

open access: yesJournal of Chemical Theory and Computation, 2010
G4(MP2)-6X is developed as a composite procedure with a cost comparable to that of G4(MP2) but performance approaching that of G4. The new procedure is a variant of G4(MP2) that employs BMK/6-31+G(2df,p) geometries and has six additional scaling factors for the correlation energy components.
Chan, Bun, Deng, Jia, Radom, Leo
openaire   +4 more sources

Assessment of the Performance of MP2 and MP2 Variants for the Treatment of Noncovalent Interactions

open access: yesThe Journal of Physical Chemistry A, 2012
For many years, MP2 served as the principal method for the treatment of noncovalent interactions. Until recently, this was the only technique that could be used to produce reasonably accurate binding energies, with binding energy errors generally below ~35%, at a reasonable computational cost.
Kevin E, Riley   +4 more
core   +4 more sources

Quantum Chemistry in Dataflow: Density-Fitting MP2 [PDF]

open access: yesJournal of Chemical Theory and Computation, 2017
We demonstrate the use of dataflow technology in the computation of the correlation energy in molecules at the Møller-Plesset perturbation theory (MP2) level. Specifically, we benchmark density fitting (DF)-MP2 for as many as 168 atoms (in valinomycin) and show that speed-ups between 3 and 3.8 times can be achieved when compared to the MOLPRO package ...
Bridgette Cooper   +6 more
core   +8 more sources

G4-SP, G4(MP2)-SP, G4-sc, and G4(MP2)-sc: Modifications to G4 and G4(MP2) for the Treatment of Medium-Sized Radicals

open access: yesJournal of Chemical Theory and Computation, 2010
The G4-SP and G4(MP2)-SP procedures are introduced, as alternatives to G4 and G4(MP2), to overcome shortcomings associated with the treatment of spin polarization (SP) in large open-shell systems. The new methods employ a converging SP term, to replace the diverging A' treatment used in the G4 and G4(MP2) formulations.
Chan, B, Coote, Michelle, Radom, Leo
openaire   +4 more sources

Engineered Peptide Self-Assembled Nanofibers for Enhanced STING Activation: A Promising Nanodelivery Platform for Immunotherapy of Pediatric Solid Tumors. [PDF]

open access: yesAdv Sci (Weinh)
An engineered peptide self‐assembled nanofiber platform, designed to replicate STING–cGAMP binding motifs, facilitates pH‐responsive cytosolic delivery of cGAMP, enhances the endoplasmic reticulum with high efficiency, and robustly activates the STING pathway.
He Y   +6 more
europepmc   +2 more sources

Assessment of DLPNO-MP2 Approximations in Double-Hybrid DFT [PDF]

open access: yes, 2023
The unfavorable scaling (N5) of conventional second-order Møller-Plesset theory (MP2) typically prevents the application of double-hybrid (DH) density functionals to large systems with more than 100 atoms. A prominent approach to reduce the computational
Hagen, Neugebauer   +4 more
core   +2 more sources

Relative energy Comparison for Various Water Clusters using MP2, df-MP2, and CCSD(T):MP2 Methods [PDF]

open access: yes, 2022
The study of water clusters is an important area of research in many disciplines, such as biology, physical chemistry, and environmental studies.
Wang, Qihang
core   +1 more source

Tugas MP2

open access: yes, 2020
Anak-anak di jaman yang telah maju sekarang ini, lebih senang untuk bermain dengan gadget dan memainkan banyak game yang telah disuguhkan pada gadget mereka memiliki. Penelitian ini bertujuan untuk meningktakan niat baca Alkitab anak Sekolah Minggu.
  +7 more sources

Comparative theoretical investigation on the isomerization energies of long-chain perfluoroalkanes: A case study with perfluorooctane sulfonic acid congeners [PDF]

open access: yes, 2010
The gas and solution phase relative thermodynamic stabilities of the 89 perfluorooctane sulfonic acid (PFOS) congeners play an important role in assessing whether synthetic conditions for commercial mixtures are under thermodynamic or kinetic control ...
Sierra Rayne, Kaya Forest
core   +1 more source

MP2

open access: yesProceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2022
Binary pointwise labels (aka implicit feedback) are heavily leveraged by deep learning based recommendation algorithms nowadays. In this paper we discuss the limited expressiveness of these labels may fail to accommodate varying degrees of user preference, and thus lead to conflicts during model training, which we call annotation bias.
Menghan Wang   +6 more
openaire   +3 more sources

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