(Butadiene)iron tricarbonyl

(Butadiene)iron tricarbonyl
Identifiers
3D model (JSmol)
EC Number 235-140-3
Properties
C7H6FeO3
Molar mass 193.97 g·mol−1
Appearance yellow oil
Melting point 19 °C (66 °F; 292 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

(Butadiene)iron tricarbonyl is an organoiron compound with the formula (C4H6)Fe(CO)3. It is the simplest and most studied metal complex of butadiene. It is an orange colored oil that freezes just below room temperature. The compound adopts a piano stool structure.[1]

The complex was first prepared by heating iron pentacarbonyl with the diene.[2]

Iron(0) complexes of conjugated dienes have been extensively studied. In the butadiene series, (η2-C4H6)Fe(CO)4 and (η2:η2-C4H6)(Fe(CO)4)2 have been crystallized.[3] Many related complexes are known for substituted butadienes and related species. The species (η4-isoprene)iron tricarbonyl is chiral.[4] Cyclobutadieneiron tricarbonyl is a related complex.

References

  1. ↑ Reiss, Guido J. (2010). "Redetermination of (η4-s-cis-1,3-butadiene)tricarbonyliron(0)". Acta Crystallographica Section E. 66: m1369. doi:10.1107/S1600536810039218. PMC 3009352.
  2. ↑ Hans Reihlen; A. Gruhl; G. v. Heßling; O. Pfrengle (1930). "Über Carbonyle und Nitrosyle. IV". Justus Liebigs Annalen der Chemie. 482: 161–182. doi:10.1002/jlac.19304820111.
  3. ↑ Murdoch, H. D.; Weiss, E. (1962). "Butadien-Eisencarbonyl-Verbindungen (Butadieneiron Carbonyl Compounds)". Helvetica Chimica Acta. 45: 1156–61. doi:10.1002/hlca.19620450412.
  4. ↑ Grée, R. (1989). "Acyclic Butadiene-Iron Tricarbonyl Complexes in Organic Synthesis". Synthesis: 341–355. doi:10.1055/s-1989-27250.
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