雙環辛四烯合釷
雙環辛四烯合釷是由釷和兩個環辛四烯陰離子（COT2-）組成的金屬有機化合物，化學式為Th(C8H8)2，可簡寫為Th(COT)2。它可由四氯化釷和環辛四烯二鉀在四氫呋喃中反應製得：[2]
| 雙環辛四烯合釷 | |
|---|---|
| |
| 識別 | |
| CAS號 | 12702-09-9 
|
| PubChem | SID135093111 |
| 性質 | |
| 化學式 | C16H16Th |
| 摩爾質量 | 440.34 g·mol−1 |
| 外觀 | 黃色固體 |
| 密度 | 2.22 g·cm−3（22~24 °C）[1] |
| 若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。 | |
- ThCl4 + C8H8K2 → (C8H8)2Th + 4 KCl
反應
雙環辛四烯合釷和四氯化釷在四氫呋喃（THF）中反應，從溶液中可以結晶出白色的Th(COT)Cl2(THF)2。[3]它和四乙基氰化銨在吡啶中回流反應，從溶液中可以結晶出金黃色的[(COT)2Th(CN)][N(C2H5)4]。[4]
參考文獻
- ^ 1.0 1.1 Avdeef, Alex; Raymond, Kenneth N.; Hodgson, Keith O.; Zalkin, Allan. Two isostructural actinide .pi. complexes. Crystal and molecular structure of bis(cyclooctatetraenyl)uranium(IV), U(C8H8)2, and bis(cyclooctatetraenyl)thorium(IV), Th(C8H8)2. Inorganic Chemistry (American Chemical Society (ACS)). 1972, 11 (5): 1083–1088. ISSN 0020-1669. doi:10.1021/ic50111a034.
- ^ Goffart, J.; Fuger, J.; Gilbert, B.; Kanellakopulos, B.; Duyckaerts, G. On the cyclooctateraenyl complexes of actinide elements Part I : Thorium. Inorganic and Nuclear Chemistry Letters (Elsevier BV). 1972, 8 (4): 403–412. ISSN 0020-1650. doi:10.1016/0020-1650(72)80021-7.
- ^ Zalkin, Allan; Templeton, David H.; Le Vanda, Carole; Streitwieser, Andrew. Synthesis and structure of two crystalline forms of (cyclooctatetraene)thorium(IV) dichloride-bis(tetrahydrofuran). Inorganic Chemistry (American Chemical Society (ACS)). 1980, 19 (9): 2560–2563. ISSN 0020-1669. doi:10.1021/ic50211a015.
- ^ Hervé, Alexandre; Thuéry, Pierre; Ephritikhine, Michel; Berthet, Jean-Claude. Structural Diversity in Cyanido Thorocene Complexes. Organometallics (American Chemical Society (ACS)). 2014-04-16, 33 (8): 2088–2098. ISSN 0276-7333. doi:10.1021/om500252v.