We applied the domain based local pair natural orbital coupled cluster approach with single, double, and perturbative triple excitations, DLPNO-CCSD(T), to rationalize more than 130 experimental bond dissociation enthalpies collected in the work of Rodgers and Armentrout [Chem. Rev. 116, 5642–5687 (2016)] and involving alkali metal cations and versatile neutral organic and inorganic ligands ranging from common solvents to amino acids. In general, a remarkable agreement has been obtained between predicted and experimental alkali metal ion–ligand noncovalent bond strengths, highlighting a high degree of reliability of data assembled by Rodgers and Armentrout. In the case of some inconsistent experimental data given for some species, we pointed to a number for which best agreement with DLPNO-CCSD(T) calculations has been achieved. In addition, we refined a couple of ΔH0 for which DLPNO-CCSD(T) values turned out to be significantly different from their experimental counterparts. We suggest an application of the DLPNO-CCSD(T) to derive the reference values to train/validate force field and neural network methods to be further applied in molecular dynamic simulations to unravel the mechanisms in biological systems and alkali metal ion batteries.
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7 July 2019
Research Article|
July 02 2019
Evaluation of experimental alkali metal ion–ligand noncovalent bond strengths with DLPNO-CCSD(T) method
Bholanath Maity
;
Bholanath Maity
1
King Abdullah University of Science and Technology (KAUST), Physical Science and Engineering Division (PSE), KAUST Catalysis Center (KCC)
, 23955-6900 Thuwal, Saudi Arabia
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Yury Minenkov
;
Yury Minenkov
a)
2
Moscow Institute of Physics and Technology
, Institutskiy Pereulok 9, Dolgoprudny, Moscow Region 141700, Russian Federation
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Luigi Cavallo
Luigi Cavallo
a)
1
King Abdullah University of Science and Technology (KAUST), Physical Science and Engineering Division (PSE), KAUST Catalysis Center (KCC)
, 23955-6900 Thuwal, Saudi Arabia
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J. Chem. Phys. 151, 014301 (2019)
Article history
Received:
April 11 2019
Accepted:
June 06 2019
Citation
Bholanath Maity, Yury Minenkov, Luigi Cavallo; Evaluation of experimental alkali metal ion–ligand noncovalent bond strengths with DLPNO-CCSD(T) method. J. Chem. Phys. 7 July 2019; 151 (1): 014301. https://doi.org/10.1063/1.5099580
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