A diamondoid network of tetrakis(acetamidato)dirhodium in mixed oxidation states linked by μ4-iodide having a 105 enhancement of its electrical conductivity by water molecules of hydration

被引:69
作者
Fuma, Y [1 ]
Ebihara, M [1 ]
Kutsumizu, S [1 ]
Kawamura, T [1 ]
机构
[1] Gifu Univ, Fac Engn, Dept Chem, Gifu 5011193, Japan
关键词
D O I
10.1021/ja047421r
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A mixed oxidation-state (Rh24+ and Rh25+) compound, [{Rh2(acam)4}2I]n·6nH2O (Hacam = acetamide), has been synthesized. The compound has a nonpenetrating diamondoid arrangement of {Rh2(acam)4} units linked by μ4-iodides. All of the dirhodium units are crystallographically equivalent, as are all of the iodide atoms. The magnetic susceptibility of this compound shows that one-half of the Rh2 units are in the Rh25+ oxidation state with one odd electron and the other half in the closed-shell Rh24+ state. Its electrical conductivity is 1.4 × 10-3 S cm-1 (pellets, room temperature) and oscillates over the range of 105 orders of magnitude during dehydration-rehydration cycles of interstitial water molecules. Copyright © 2004 American Chemical Society.
引用
收藏
页码:12238 / 12239
页数:2
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