Substituent effect on the proton-related phenomena and chelation behavior of hydroxypicolinic compounds: a DFT investigation

Yasarawan, Nuttawisit; Thipyapong, Khajadpai; Ruangpornvisuti, Vithaya

doi:10.1007/s11224-015-0579-7

Cited by 4 publications

(1 citation statement)

References 53 publications

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“…Furthermore, the contour scale is displayed in a sequence starting from the outermost region with values of 0.004, 0.008, 0.020, 0.040, 0.080, 0.200, and 0.400. The LP orbitals of the oxygen binding site are widely known to play a significant role in the orbital interaction with metal cations [53,54,[82][83][84][85][86][87][88][89][90].…”

Section: Structural Effects Of N-membered Rings On Solvation Abilitymentioning

confidence: 99%

Origin of Li+ Solvation Ability of Electrolyte Solvent: Ring Strain

Choi,

Shin,

Han

2023

Materials

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Developing new organic solvents to support the use of Li metal anodes in secondary batteries is an area of great interest. In particular, research is actively underway to improve battery performance by introducing fluorine to ether solvents, as these are highly compatible with Li metal anodes because fluorine imparts high oxidative stability and relatively low Li-ion solvation ability. However, theoretical analysis of the solvation ability of organic solvents mostly focuses on the electron-withdrawing capability of fluorine. Herein, we analyze the effect of the structural characteristics of solvents on their Li+ ion solvation ability from a computational chemistry perspective. We reveal that the structural constraints imposed on the oxygen binding sites in solvent molecules vary depending on the structural characteristics of the N-membered ring formed by the interaction between the organic solvent and Li+ ions and the internal ring containing the oxygen binding sites. We demonstrate that the structural strain of the organic solvents has a comparable effect on Li+ solvation ability seen for the electrical properties of fluorine elements. This work emphasizes the importance of understanding the structural characteristics and strain when attempting to understand the interactions between solvents and metal cations and effectively control the solvation ability of solvents.

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