Harder, Sjoerd; Prosenc, Marc Heinrich:

The heaviest alkali metallocene: structure of an anionic cesocene triple-decker.

In: Angewandte Chemie, International Edition in English, Jg. 35 (1996) ; Nr. 1, S. 97-99
ISSN: 0570-0833
Zeitschriftenaufsatz / Fach: Chemie
[Cp3Cs]-[PPh4]+ was prepd. in 54% yield by treating CpCs with Ph4PCl in THF and its crystal structure detd.