Bis(acetylacetonato)iron(II)
Names
IUPAC name
Bis(2,4-pentanedionato-κO,κO')iron
Other names
Bis(2,4-pentanedionato)iron
Ferrous acetylacetonate
Iron(II) 2,4-pentanedionate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.397
EC Number
  • 237-851-4
  • InChI=1S/2C5H8O2.Fe/c2*1-4(6)3-5(2)7;/h2*3,6H,1-2H3;/q;;+2/p-2/b2*4-3-;
    Key: LFORAFQNBQKDRY-FDGPNNRMSA-L
  • hydrate: InChI=1S/2C5H8O2.Fe.H2O/c2*1-4(6)3-5(2)7;;/h2*3,6H,1-2H3;;1H2/b4-3-;;;
    Key: XTPSXHDLJKIQTA-FGSKAQBVSA-N
  • C/C(=C/C(=O)C)/[O-].C/C(=C/C(=O)C)/[O-].[Fe+2]
  • hydrate: CC(=CC(=O)C)O.C/C(=C/C(=O)C)/O.O.[Fe]
Properties
C10H14FeO4
Molar mass 254.063 g·mol−1
Melting point 170–171 °C (338–340 °F; 443–444 K)
Hazards
GHS labelling:[1]
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Bis(acetylacetonato)iron(II) is a coordination complex of iron with the formula Fe(C5H7O2)2. It can be prepared by reacting iron(II) chloride with 2,4-pentanedione in presence of piperidine.[2]

Reactions

Bis(acetylacetonato)iron(II) reacts with lithium bis(hydropentalenyl)iron to afford green [(C8H7)Fe]2-[(C8H8)2Fe], a quadruple-decker complex.[3]

It reacts with Li2Pn*(TMEDA)x (Pn* = permethylpentalene) to yield purple-black Fe2Pn*2.[4]

References

  1. ↑ "Iron (II) acetylacetonate hydrate". pubchem.ncbi.nlm.nih.gov.
  2. ↑ Manríquez, J. M., Bunel, E. E., Oelckers, B., Román, E., Vv́squez, C., & Miller, J. S. (2007). Bis(2,4-Pentanedionato)Iron(II) [Iron(II) Bis(Acetylacetonate)]. Inorganic Syntheses, 267–269. doi:10.1002/9780470132623.ch44
  3. ↑ Oelckers, B., Chavez, I., Manriquez, J. M., & Roman, E. (1993). On the way to delocalized organometallic polymers: triple- and quadruple-decker pentalene complexes of iron and cobalt. Organometallics, 12(9), 3396–3397. doi:10.1021/om00033a007
  4. ↑ Binding, S. C., Green, J. C., Myers, W. K., & O’Hare, D. (2015). Synthesis, Structure, and Bonding for Bis(permethylpentalene)diiron. Inorganic Chemistry, 54(24), 11935–11940. doi:10.1021/acs.inorgchem.5b02254
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