Iron,methyldicarbonyl-π-cyclopentadienyl
- Formula: C8H8FeO2
- Molecular weight: 191.993
- IUPAC Standard InChIKey: KPMZGIMZIFXNFA-UHFFFAOYSA-N
- CAS Registry Number: 12080-06-7
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Iron,dicarbonyl(η5-2,4-cyclopentadien-1-yl)methyl-; Iron,methyldicarbonyl-η5-cyclopentadienyl
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 792.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 759.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.56 ± 0.10 | LS,EI | Bruch, Bunau, et al., 1995 | LL |
7.91 | PE | Fabian, Fehlner, et al., 1980 | Vertical value; LLK |
7.79 | PE | Lichtenberger and Fenske, 1976 | Vertical value; LLK |
7.65 | PE | Symon and Waddington, 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H5Fe+ | 12.30 ± 0.15 | 2CO+CH3 | LS,EI | Bruch, Bunau, et al., 1995 | LL |
C6H5FeO+ | 11.72 ± 0.15 | CH3+CO | LS,EI | Bruch, Bunau, et al., 1995 | LL |
C6H6Fe+ | 10.84 ± 0.15 | 2CO+H2 | LS,EI | Bruch, Bunau, et al., 1995 | LL |
C6H8Fe+ | 10.07 ± 0.10 | 2CO | LS,EI | Bruch, Bunau, et al., 1995 | LL |
C7H5FeO2+ | 10.07 ± 0.10 | CH3 | LS,EI | Bruch, Bunau, et al., 1995 | LL |
C7H8FeO+ | 8.57 ± 0.15 | CO | LS,EI | Bruch, Bunau, et al., 1995 | LL |
Fe+ | 14.95 ± 0.15 | C5H5+2CO+CH3 | LS,EI | Bruch, Bunau, et al., 1995 | LL |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Institute of Organic Chemistry, Novosibirsk, USSR 1988 |
NIST MS number | 102403 |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Bruch, Bunau, et al., 1995
Bruch, D.; Bunau, G.v.; Schindler, W.; Kisch, H.,
Electron impact and multiphoton ionization and fragmentation of dicarbonyl cyclopentadienyl methyl iron and pentamethylcyclopentadienyl dicarbonyl methyl iron,
Int. J. Mass Spectrom. Ion Processes, 1995, 148, 105. [all data]
Fabian, Fehlner, et al., 1980
Fabian, B.D.; Fehlner, T.P.; Hwang, L.-S.J.; Labinger, J.A.,
Allylic interactions in organometallics: Probing electronic structure in (η5-C5H5)Fe(CO)2R, R=CH3,η1-C3H5, η1-C5H5,
J. Organomet. Chem., 1980, 191, 409. [all data]
Lichtenberger and Fenske, 1976
Lichtenberger, D.L.; Fenske, R.F.,
The helium(I) photoelectron spectra and electronic structure of (η5-Cyclopentadienyl) d6 metal carbonyls,
J. Am. Chem. Soc., 1976, 98, 50. [all data]
Symon and Waddington, 1975
Symon, D.A.; Waddington, T.C.,
Valence-band photoelectron spectra of some dicarbonyl(η-cyclopentadienyl)(ligand)iron compounds and tetrakis [carbonyl(η-cyclopentadienyl)iron(1)],
J. Chem. Soc. Dalton Trans., 1975, 2140. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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