Diiron nonacarbonyl

Diiron nonacarbonyl is an organometallic compound with the formula Fe2(CO)9. This metal carbonyl is an important reagent in organometallic chemistry and of occasional use in organic synthesis. It is a more reactive source of Fe(0) than Fe(CO)5. This micaceous orange solid is virtually insoluble in all common solvents.

Diiron nonacarbonyl
Names
IUPAC name
Diiron nonacarbonyl, tri-μ-carbonyl-bis(tricarbonyliron)(Fe—Fe)
Other names
Iron enneacarbonyl
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.035.765
EC Number
  • 239-359-5
PubChem CID
  • InChI=1S/9CO.2Fe/c9*1-2;; Y
    Key: JCXLZXJCZPKTBW-UHFFFAOYSA-N Y
  • InChI=1/9CO.2Fe/c9*1-2;;
    Key: JCXLZXJCZPKTBW-UHFFFAOYAN
SMILES
  • O=C1[Fe]2(=C=O)(=C=O)(=C=O)C(=O)[Fe]1(=C=O)(=C=O)(=C=O)C2=O
Properties
Fe2C9O9
Molar mass 363.78 g/mol
Appearance orange crystals
Density 2.08 g/cm3
Melting point decomposes at 100 °C
insoluble, does not react with water
Structure
0 D
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Toxic, flammable
GHS labelling:
Danger
Related compounds
Related iron carbonyls
Iron pentacarbonyl
Triiron dodecacarbonyl
Related compounds
Dimanganese decacarbonyl
Dicobalt octacarbonyl
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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