Manganese, tricarbonyl[(1,2,3,4,5-η)-1-methyl-2,4-cyclopentadien-1-yl]-
- Formula: C9H7MnO3
- Molecular weight: 218.0881
- IUPAC Standard InChIKey: LYHJNAIHGFWRKM-UHFFFAOYSA-N
- CAS Registry Number: 12108-13-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Manganese, tricarbonyl(methyl-π-cyclopentadienyl)-; π-(Methylcyclopentadienyl)manganese tricarbonyl; (Methylcyclopentadienyl)manganese tricarbonyl; (Methylcyclopentadienyl)tricarbonylmanganese; Methylcymantrene; Tricarbonyl(methyl-π-cyclopentadienyl)manganese; Tricarbonyl(methylcyclopentadienyl)manganese; Tricarbonyl(2-methylcyclopentadienyl)manganese; 2-(Methylcyclopentadienyl)manganesetricarbonyl; (η5-Methylcyclopentadienyl) manganese tricarbonyl-; (1,2,3,4,5-η-1-Methyl-2,4-cyclopentadien-1-yl)manganese tricarbonyl; Manganese (methylcyclopentadienyl) tricarbonyl; Ak-33x; CI-2; Manganese, tricarbonyl methylcyclopentadienyl; Manganese, tricarbonyl(2-methylcyclopentadienyl)-; MMT; Antiknock-33; Combustion improver -2; Methylcyklopentadientrikarbonylmanganium; Manganese, tricarbonyl[(1,2,3,4,5-η)-1-methyl-2,4-cyclopentadie-1-yl]-; Manganese, tricarbonyl[(1,2,3,4,5-η5)-1-methyl-2,4-cyclopentadien-1-yl]-; NSC 22316
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Gas phase ion energetics data
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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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 199.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 191.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.50 ± 0.10 | LPES | Martel and Waller, 1998 | Vertical Detachment Energy: 1.0 eV. Derived acidity in paper incorrect:wrong anion EA used; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.5 | PE | Calabro and Lichtenberger, 1981 | LLK |
~8.1 | PE | Guimon, Pfister-Guillouzo, et al., 1979 | LLK |
7.86 ± 0.01 | EI | Efraty, Huang, et al., 1975 | LLK |
7.89 | PE | Calabro and Lichtenberger, 1981 | Vertical value; LLK |
7.89 | PE | Calabro, Hubbard, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H7Mn+ | 11.21 ± 0.03 | 3CO | EI | Efraty, Huang, et al., 1975 | LLK |
C7H7OMn+ | 9.01 ± 0.03 | 2CO | EI | Efraty, Huang, et al., 1975 | LLK |
C8H7O2Mn+ | 8.13 ± 0.01 | CO | EI | Efraty, Huang, et al., 1975 | LLK |
Mn+ | 16.33 ± 0.02 | 3CO+C6H7 | EI | Efraty, Huang, et al., 1975 | LLK |
References
Go To: Top, Gas phase ion energetics data, 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]
Martel and Waller, 1998
Martel, A.A.; Waller, I.M.,
Negative-ion photoelectron spectrum of tricarbonyl(eta 5-methylcyclopentadienyl)manganate(0),
J. Phys. Chem. A, 1998, 102, 50, 10258-10260, https://doi.org/10.1021/jp983333f
. [all data]
Calabro and Lichtenberger, 1981
Calabro, D.C.; Lichtenberger, D.L.,
Valence ionizations of olefins coordinated to metals. Olefin dicarbonyl(η5-(methyl and pentamethyl)cyclopentadienyl)manganese complexes,
J. Am. Chem. Soc., 1981, 103, 6846. [all data]
Guimon, Pfister-Guillouzo, et al., 1979
Guimon, C.; Pfister-Guillouzo, G.; Mathey, F.,
Electronic structure of phosphacymantrene by photoelectron spectroscopy (He I, He II) and E.H.T. calculations,
Nouv. J. Chim., 1979, 3, 725. [all data]
Efraty, Huang, et al., 1975
Efraty, A.; Huang, M.H.A.; Weston, C.A.,
Mass spectra of organometallic compounds. V. Electron-impact study of the cyclopentadienylmanganese thiocarbonyl and carbonyl complexes RC5H4Mn(CO)2CX [R=H, CH3; X = S, O],
Inorg. Chem., 1975, 14, 2796. [all data]
Calabro, Hubbard, et al., 1981
Calabro, D.C.; Hubbard, J.L.; Blevins, C.H., II; Campbell, A.C.; Lichtenberger, D.L.,
The effects of methyl group substitution on metal-coordinated cyclopentadienyl rings. The core and valence ionizations of methylated tricarbonyl(η5-cyclopentadienyl)metal complexes,
J. Am. Chem. Soc., 1981, 103, 6839. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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