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논문 기본 정보

자료유형
학술저널
저자정보
Yunseop Choi (Pohang University of Science and Technology (POSTECH)) Inyong Ji (Pohang University of Science and Technology (POSTECH)) Jongcheol Seo (Pohang University of Science and Technology (POSTECH))
저널정보
한국질량분석학회 Mass Spectrometry Letters Mass Spectrometry Letters Vol.12 No.4
발행연도
2021.12
수록면
152 - 158 (7page)

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Electrospray ionization (ESI) and ion mobility spectrometry-mass spectrometry (IMS-MS) were employed to investigate the solvated structures of ionic species in the lithium iodide electrolyte solution in the gas phase. The Li<SUP>+</SUP>I<SUP>−</SUP>Li<SUP>+</SUP> triple ion and single standalone Li+ ions solvated by 1,4-dioxane were successfully generated and observed by ESI-MS under the influence of dioxane vapor at the inlet region. Under the present experimental condition, (1,4-dioxane)m·Li+ complex ions (m = 1, 2, and 3) and a (1,4-dioxane)·Li<SUP>+</SUP>I<SUP>−</SUP>Li<SUP>+</SUP> complex ion were observed, which were further examined by IMS to investigate their structures. The presence of multiple structural isomers was confirmed, which accounts for the endothermic conformational transition of 1,4-dioxane from a chair to a boat to achieve bidentate O-donor binding to Li+ and Li<SUP>+</SUP>I<SUP>−</SUP>Li<SUP>+</SUP>. Further structural details critical for the ion-solvent interactions were also examined and discussed with the help of density functional theory calculations.

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Abstract
Introduction
Experimental
Results
Discussion
Conclusions
References

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