Table 2. Overview of the CSD structures of polyhaloferrocenes substituted on both rings.

Chemical formula	Abbreviation in this text	Refcode in the CSD	Conformation	Reference
C10H8F2Fe	FdF2	RACROF	Eclipsed, I	Inkpen et al. (2015 ▸)
C10H8Cl2Fe	FdCl2	DUTSUH, DUTSUH01	Eclipsed, I	Bryan & Leadbetter (1986 ▸); Inkpen et al. (2015 ▸)
C10H8Br2Fe	FdBr2	BIPDOU	Eclipsed, I	Hnetinka et al. (2004 ▸)
C10H8I2Fe	FdI2	KOPFAY	Staggered	Roemer & Nijhuis (2014 ▸)
C10H7Br3Fe	FdBr3	UTOBIR	Nearly eclipsed, VI	Butler et al. (2021 ▸)
C10H7I3Fe	FdI3	EZAWUA	Nearly eclipsed, VI	Evans et al. (2021 ▸)
C10H6Cl4Fe	FdCl4	CEVBEK	Eclipsed, IV	Sato et al. (1984 ▸)
C10H6Br4Fe	FdBr4	UTOBUD	Eclipsed, IV	Butler et al. (2021 ▸)
C10H6I4Fe-	FdI4	EZAWOU	Eclipsed, VI	Evans et al. (2021 ▸)
C10H4Cl6Fe	FdCl6	DUTSUG	No data in CSD	Bryan & Leadbetter (1986 ▸)
C10HBr9Fe	FdBr9	FEFZAV	Staggered	Rupf et al. (2022 ▸)
C10Br10Fe	FdBr10	FEFYUO	staggered	Rupf et al. (2022 ▸)