A STUDY ON MICROSCOPIC STRUCTURE IN INCOMPLETELY HYDRATED MELTS

不完全水合熔体微观结构的研究

• 批准号: 06640712
• 负责人: KAMEDA Yasuo
• 金额: $ 1.34万
• 依托单位: DEPARTMENT OF METERIAL AND BIOLOGICAL CHEMISTRY,YAMAGATA UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1994
• 资助国家: 日本
• 起止时间: 1994 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-06640712/
• 关键词: X-ray anomalous scattering method; Neutron diffraction; Raman spectroscopy; Isotopic substitution method; Hydrated melt; ジスプロシウムイオン; リチウムイオン; ユウロピウムイオン; ハロゲン化リチウム

X-ray anomalous scattering, neutron diffraction with isotopic substitution and Isotropic Raman spectroscopic studies have been carried out for incompletely hydrated EuCl_3, DyCl_3, LiBr and HCOOLi melts, and highly concentrated methanolic LiBr and Lil solutions, in order to obtain detailed information on the local structure around constituent ions in these solutions. Stuctural analysis of concentrated aqueous DyCl_3 solution with excess amount of Cl^- (Dy^<3+> : Cl^-=1 : 6) evidenced the existence of contact ion pair, Dy^<3+>Cl^- (r_<DyCl>=2.9A). The solvation structure of Li^+ in highly concentrated aqueous LiBr, HCOOLi and methanolic LiBr and Lil solutions was determined by neutron diffraction and Raman scattering methods. Details of the structure concerning the contact ion pair, Li^+X^- (X=Br, l and HCOO), in these solutions was obtained. The hydration structure of Na^+ and HCOO^- was deduced from the X-ray, neutron and Raman analyzes for highly concentrated aqueous HCOONa solution.

本文对EuCl_3、DyCl_3、LiBr和HCOOLi的不完全水合熔体以及高浓度LiBr和LiI的甲醇溶液进行了X射线反常散射、同位素替代中子衍射和各向同性拉曼光谱研究，以获得这些溶液中组分离子周围局域结构的详细信息。对含有过量Cl^-（Dy^&lt;3+&gt;：Cl^-=1：6）的DyCl_3浓水溶液进行结构分析，证明存在接触离子对Dy^&lt;3+&gt;Cl^-（r_<DyCl>=2.9A）。用中子衍射和拉曼散射方法测定了Li^+在高浓度LiBr、HCOOLi和LiBr、LiI甲醇溶液中的溶剂化结构。得到了这些溶液中接触离子对Li^+X^-（X=Br、I和HCOO）的结构细节。通过对高浓度HCOONa水溶液的X射线、中子和拉曼光谱分析，推测了Na^+和HCOO^-的水合结构。

项目成果

Y.Kameda, T.Mori, T.Nishiyama, T.Usuki, and O.Uemura: ""Structure of Concentrated Aqueous Sodium Formate Solutions"" Bulletin of the Chemical Society of Japan. Vol.69.(in press). (1996)

Y.Kameda、T.Mori、T.Nishiyama、T.Usuki 和 O.Uemura：““浓甲酸钠水溶液的结构””日本化学会通报。

Y.Kameda,H.Ebata,T.Usuki and O.Uemura: "The Coordination Structure of Li^+ in highly Concentrated Methanolic LiBr and LiI Solutions" Physica B. 213&214. 477-479 (1995)

Y.Kameda、H.Ebata、T.Usuki 和 O.Uemura：“高浓度甲醇 LiBr 和 LiI 溶液中 Li^ 的配位结构”Physica B. 213

亀田恭男: "Structure of Concentrated Aqueous Sodium Formate Solutions" Bulletin of the Chemical Society of Japan. 69(5月号または6月号に掲載予定). (1996)

Yasuo Kameda：“浓缩甲酸钠水溶液的结构”日本化学会会刊第 69 期（预定于 5 月或 6 月出版）（1996 年）。

Y.Kameda,T.Mori,T.Nishiyama,T.Usuki and O.Uemura: "Structure of Concentrated Aqueous Sodium Formate Solutions" Bulletin of the Chemical Society of Japan. 69(5月号または6月号に掲載予定). (1996)

Y. Kameda、T. Mori、T. Nishiyama、T. Usuki 和 O. Uemura：“浓缩甲酸钠水溶液的结构”日本化学会通报 69（预定于 5 月或 6 月号发表）。 (1996)

亀田恭男: "Neutron Diffraction Study on the Structure of Highly Concentrated Methanolic LiBr and LiI Solutions" KENS REPORT-X (National Laboratory for High Energy Physics, KEK). 10. 75-76 (1995)

Yasuo Kameda：“高浓度甲醇 LiBr 和 LiI 溶液结构的中子衍射研究”KENS REPORT-X（国家高能物理实验室，KEK）。 10. 75-76 (1995)。