二氯二茂铪

二氯二茂铪是一种有机铪化合物，化学式为(C₅H₅)₂HfCl₂，它是无色固体，在水中迅速分解。^[2]它可由四氯化铪和环戊二烯基钠在甲苯和乙二醇二甲醚的混合溶剂中反应制得：^[3]^[4]

HfCl₄ + 2 C₅H₅Na → (C₅H₅)₂HfCl₂ + 2 NaCl

它在钠汞齐的的存在下和一氧化碳反应，可以得到二羰基二茂铪。^[5]

参考文献

^ "Metal-Organics Catalog" physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (US). Retrieved from SciFinder. [2020-12-09].
^ Datenblatt Bis(cyclopentadienyl)hafnium dichloride (PDF) bei Strem, abgerufen am 11. März 2015.
^ P. M. Druce, B. M. Kingston, M. F. Lappert, T. R. Spalding, R. C. Srivastava. Metallocene halides. Part I. Synthesis, spectra, and redistribution equilibria of di-π-cyclopentadienyldihalogeno-titanium( IV ),-zirconium-( IV ), and -hafnium( IV ). J. Chem. Soc. A. 1969, 0 (0): 2106–2110 [2020-12-09]. ISSN 0022-4944. doi:10.1039/J19690002106 （英语）.
^ Wolfgang A. Herrmann: Synthetic Methods of Organometallic and Inorganic Chemistry, Volume 8, 1997. Georg Thieme Verlag, 2014, ISBN 978-3-131-79481-9, pp. 32 (eingeschränkte Vorschau （页面存档备份，存于互联网档案馆） in der Google-Buchsuche).
^ Thomas, Joseph L.; Brown, Karen T. Zirconocene dicarbonyl and hafnocene dicarbonyl, first carbonyl derivatives of zirconocene and hafnocene. Journal of Organometallic Chemistry, 1976. 11 (3): 297-301. ISSN: 0022-328X.