双环辛四烯合镤是由镤和两个环辛四烯阴离子(COT2-)组成的金属有机化合物,化学式为Pa(C8H8)2,可简写为Pa(COT)2。它可由四氯化镤和环辛四烯二钾在四氢呋喃中反应制得:[1]
- PaCl4 + C8H8K2 → (C8H8)2Pa + 4 KCl
通过CASPT2法计算得到的Pa-COT距离为1.933 Å。[2]
- ^ 1.0 1.1 Goffart, J., Fuger, J., Brown, D., & Duyckaerts, G. On the cyclooctatetraenyl compounds of actinide elements part II. Bis-(cyclooctatetraenyl) protactinium(IV). Inorganic and Nuclear Chemistry Letters. 1974, 10 (5): 413–419. doi:10.1016/0020-1650(74)80119-4.
- ^ Kerridge, Andrew. f-Orbital covalency in the actinocenes (An = Th–Cm): multiconfigurational studies and topological analysis. RSC Adv. (Royal Society of Chemistry (RSC)). 2014, 4 (24): 12078–12086. ISSN 2046-2069. doi:10.1039/c3ra47088a.