Structural analysis of 1-ethyl-3-methylimidazolium bifluoride melt

Matsumoto, Kazuhiko*; Hagiwara, Rika*; Ito, Yasuhiko*; Kohara, Shinji*; Suzuya, Kentaro

The structure of 1-ethyl-3-methylimidazolium bifluoride (EMImFHF) melt has been analyzed at 333 K by a high-energy synchrotron X-ray diffraction method. The total correlation function of the EMImFHF melt was similar to that of the solid state, indicating that not only the short-range but also the intermediate-range ordering in the solid are partially preserved in the liquid state. The intra-molecular F-F correlation in the anions clearly appears in the total correlation function of the EMImFHF melt, whereas prominent peaks are not observed in the case of a room temperature molten salt, 1-ethyl-3-methylimidazolium fluorohydrogenate (EMImF2.3HF).

Language	:	English
Journal	:	Nuclear Instruments and Methods in Physics Research B
Volume	:	199
Number	:
Pages	:	p.29 - 33
Publication Year/Month	:	2003/01
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Paper URL	:	https://doi.org/10.1016/S0168-583X(02)01400-3
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Keywords	:	高エネルギーX線回折; 室温型溶融塩; 液体構造; イオン性液体
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : A20020555
JAEA Abstracts No. : 310264
Paper Submission No. : 19894

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