2022 Annual Meeting

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V. Nuclear Fuel Cycle and Nuclear Materials » 504-2 Nuclear Chemistry, Radiochemistry, Analytical Chemistry, Chemistry of Actinide Elements

[3I04-07] Development of Extractant

Fri. Mar 18, 2022 10:45 AM - 12:00 PM Room I

Chair: Masahiko Nakase (Tokyo Tech)

11:00 AM - 11:15 AM

[3I05] Cis/trans Isomerization of Uranyl Nitrate Complex Induced by Bis(2-pyrrolidone) Derivative Bearing Two Asymmetric Centers

*Ryoma Ono1, Koichiro Takao1 (1. Tokyo Tech)

Keywords:Uranyl nitrate, Coordination chemistry, Spent fuel reprocessing, Crystal structure

In 3 M HNO3 aq, uranyl ion reacted with racemate and (1R,2R) form of bis(2-pyrrolidone) derivative with trans-1,2-cyclohexylene linker moiety. As a result, trans- and cis-forms of UO2(NO3)2 were obtained in the former and the latter cases, respectively.