Manganese, tricarbonyl(η5-2,4-cyclopentadien-1-yl)-
- Formula: C8H5MnO3
- Molecular weight: 204.0615
- IUPAC Standard InChIKey: CZPHEHHRMHXAIK-UHFFFAOYSA-N
- CAS Registry Number: 12079-65-1
- 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-π-cyclopentadienyl-; π-Cyclopentadienylmanganese tricarbonyl; Cyclopentadienylmanganese tricarbonyl; Cyclopentadienyltricarbonylmanganese; Cymantrene; Manganese, cyclopentadienyltricarbonyl-; Tricarbonyl-π-cyclopentadienylmanganese; Tricarbonylcyclopentadienylmanganese; (η5-Cyclopentadienyl) manganese tricarbonyl; Cyklopentadientrikarbonylmanganium; MCT; Tricarbonyl(η5-cyclopentadienyl)manganese; tricarbonyl(η-cyclopentadienyl)manganese
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Gas phase thermochemistry 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 compiled by: José A. Martinho Simões
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -113.2 ± 1.3 | kcal/mol | Review | Martinho Simões | |
ΔfH°gas | -117.2 ± 2.2 | kcal/mol | Review | Martinho Simões | |
ΔfH°gas | -102. ± 0.7 | kcal/mol | Review | Martinho Simões | |
ΔfH°gas | -115.2 ± 2.2 | kcal/mol | Review | Martinho Simões | Selected data. Average of the values from Evstigneeva and Shmyreva, 1965 and Lautsch, Erzberger, et al., 1958 |
Reaction thermochemistry 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 compiled by: José A. Martinho Simões
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
(solution) + (solution) = C14H21MnO2 (solution) + (solution)
By formula: C8H5MnO3 (solution) + C7H16 (solution) = C14H21MnO2 (solution) + CO (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 47. ± 2. | kcal/mol | AVG | N/A | Average of 18 values; Individual data points |
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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.6 | PE | Calabro, Hubbard, et al., 1981 | LLK |
8.06 ± 0.01 | EI | Efraty, Huang, et al., 1975 | LLK |
8.12 | EI | Muller, Fenderl, et al., 1971 | LLK |
8.1 ± 0.1 | EI | Muller and Fenderl, 1971 | LLK |
8.1 ± 0.1 | EI | Muller and Herberhold, 1968 | RDSH |
8.3 ± 0.4 | EI | Winters and Kiser, 1965 | RDSH |
8.05 | PE | Calabro, Hubbard, et al., 1981 | Vertical value; LLK |
8.05 | PE | Lichtenberger and Fenske, 1976 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H3+ | 20.3 ± 0.4 | ? | EI | Winters and Kiser, 1965 | RDSH |
C5H5Mn+ | 11.67 ± 0.04 | 3CO | EI | Efraty, Huang, et al., 1975 | LLK |
C5H5Mn+ | 11.0 ± 0.3 | 3CO | EI | Muller and Herberhold, 1968 | RDSH |
C6H5OMn+ | 9.28 ± 0.01 | 2CO | EI | Efraty, Huang, et al., 1975 | LLK |
C6H5OMn+ | 9.5 ± 0.2 | 2CO | EI | Muller and Herberhold, 1968 | RDSH |
C7H5O2Mn+ | 8.37 ± 0.01 | CO | EI | Efraty, Huang, et al., 1975 | LLK |
C7H5O2Mn+ | 8.8 ± 0.1 | CO | EI | Muller and Herberhold, 1968 | RDSH |
Mn+ | 15.32 ± 0.02 | 3CO+C5H5 | EI | Efraty, Huang, et al., 1975 | LLK |
Mn+ | 14.4 ± 0.5 | ? | EI | Muller and Herberhold, 1968 | RDSH |
Mass spectrum (electron ionization)
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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 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 | Chemical Concepts |
NIST MS number | 149777 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, 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.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Evstigneeva and Shmyreva, 1965
Evstigneeva, E.V.; Shmyreva, G.O.,
Russ. J. Phys. Chem., 1965, 39, 529. [all data]
Lautsch, Erzberger, et al., 1958
Lautsch, W.F.; Erzberger, P.; Tröber, A.,
Wiss. Z. Tech. Hochsch. Chem. Leuna-Merseburg, 1958, 1, 31. [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]
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]
Muller, Fenderl, et al., 1971
Muller, J.; Fenderl, K.; Mertschenk, B.,
Die Donor-Akzeptor-Eigenschaften des Liganden Trifluorphosphin in Ubergangsmetallkomplexen,
Chem. Ber., 1971, 104, 700. [all data]
Muller and Fenderl, 1971
Muller, J.; Fenderl, K.,
Reaktionen des π-Cyclopentadienyl-Mangantricarbonyl-Kations mit einfachen Fluorverbindungen in der gasphase,
Chem. Ber., 1971, 104, 2207. [all data]
Muller and Herberhold, 1968
Muller, J.; Herberhold, M.,
Massenspektroskopische Untersuchungen an C5H5Mn(CO)3 und C5H5Mn(CO)2 L-Komplexen,
J. Organometal. Chem., 1968, 13, 399. [all data]
Winters and Kiser, 1965
Winters, R.E.; Kiser, R.W.,
Ions produced in the mass spectrometer from cyclopentadienylmetal carbonyl compounds of cobalt, manganese and vanadium,
J. Organometal. Chem., 1965, 4, 190. [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]
Notes
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- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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