Dimanganese decacarbonyl

Formula: C₁₀Mn₂O₁₀
Molecular weight: 389.9771
IUPAC Standard InChI: InChI=1S/10CO.2Mn/c10*1-2;;
IUPAC Standard InChIKey: QFEOTYVTTQCYAZ-UHFFFAOYSA-N
CAS Registry Number: 10170-69-1
Chemical structure:
This structure is also available as a 2d Mol file
Other names: Mn2(CO)10; Manganese carbonyl; Manganese, decacarbonyldi-,; Decacarbonyldimanganese; Manganese carbonyl (Mn2(CO)10); Manganese, decacarbonyldi-, (Mn-Mn)
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Information on this page:
Other data available:
Data at other public NIST sites:
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change data

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Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões

Quantity	Value	Units	Method	Reference	Comment
Δ_subH°	80.3 ± 4.2	kJ/mol	N/A	Pilcher and Skinner, 1983	See also Good, Fairbrother, et al., 1958.; AC
Δ_subH°	92.3 ± 2.1	kJ/mol	CC-RB	Connor, Zafarani-Moattar, et al., 1982	Other values for the enthalpy of sublimation have been reported: 80.3 ± 4.2 kJ/mol Brown, Connor, et al., 1974 Baev, Dem'yanchuk, et al., 1971 Lemoine, Gross, et al., 1975 (see also Behrens, 1976) and 62.8 ± 4.2 kJ/mol Cotton and Monchamp, 1960; MS
Δ_subH°	92.3 ± 2.1	kJ/mol	C	Connor, Zafarani-Moattar, et al., 1982, 2	AC

Enthalpy of vaporization

Δ_vapH (kJ/mol)	Temperature (K)	Reference	Comment
60.7 ± 1.3	446.	Baev, Dem'yanchuk, et al., 1971	Based on data from 428. to 463. K.; AC

Enthalpy of sublimation

Δ_subH (kJ/mol)	Temperature (K)	Method	Reference	Comment
80.3 ± 2.1	390.	MM	Baev, Dem'yanchuk, et al., 1971	Based on data from 351. to 428. K.; AC

Gas phase ion energetics data

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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
8.32 ± 0.01	EI	Michels and Svec, 1981	LLK
7.7	PE	Higginson, Lloyd, et al., 1975	LLK
7.69 ± 0.01	PE	Connor, Zafarani-Moattar, et al., 1972	LLK
8.46 ± 0.03	EI	Junk and Svec, 1970	RDSH
8.4 ± 0.1	EI	Bidinosti and McIntyre, 1970	RDSH
8.55 ± 0.10	EI	Winters and Kiser, 1965	RDSH
8.02	PE	Higginson, Lloyd, et al., 1975	Vertical value; LLK
8.02	PE	Evans, Green, et al., 1969	Vertical value; RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
MnCO⁺	18.21	?	EI	Svec and Junk, 1967	RDSH
MnCO⁺	17.5 ± 0.2	?	EI	Winters and Kiser, 1965	RDSH
MnC₂O₂⁺	14.80	?	EI	Svec and Junk, 1967	RDSH
Mn₂C₂O₂⁺	16.43	8CO	EI	Svec and Junk, 1967	RDSH
Mn₂C₃O₃⁺	15.34	7CO	EI	Svec and Junk, 1967	RDSH
Mn₂C₄O₄⁺	13.98	6CO	EI	Svec and Junk, 1967	RDSH
Mn₂C₄O₄⁺	14.0 ± 0.2	6CO	EI	Winters and Kiser, 1965	RDSH
MnC₅O₅⁺	9.40	?	EI	Svec and Junk, 1967	RDSH
MnC₅O₅⁺	9.3 ± 0.1	?	EI	Bidinosti and McIntyre, 1966	RDSH
Mn₂C₅O₅⁺	11.91	5CO	EI	Svec and Junk, 1967	RDSH
Mn₂C₅O₅⁺	12.6 ± 0.2	5CO	EI	Winters and Kiser, 1965	RDSH
Mn⁺	22.13	?	EI	Svec and Junk, 1967	RDSH
Mn⁺	20.8 ± 0.4	?	EI	Winters and Kiser, 1965	RDSH
Mn₂⁺	18.73	10CO	EI	Svec and Junk, 1967	RDSH
Mn₂⁺	18.8 ± 0.3	10CO	EI	Winters and Kiser, 1965	RDSH

References

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Pilcher and Skinner, 1983
Pilcher, G.; Skinner, H.A., Thermochemistry of organometallic compounds, 1983, 43-90, https://doi.org/10.1002/9780470771686.ch2 . [all data]

Good, Fairbrother, et al., 1958
Good, W.D.; Fairbrother, D.M.; Waddington, Guy, Manganese Carbonyl: Heat of Formation by Rotating-Bomb Calorimetry, J. Phys. Chem., 1958, 62, 7, 853-856, https://doi.org/10.1021/j150565a021 . [all data]

Connor, Zafarani-Moattar, et al., 1982
Connor, J.A.; Zafarani-Moattar, M.T.; Bickerton, J.; El-Saied, N.I.; Suradi, S.; Carson, R.; Al Takkhin, G.; Skinner, H.A., Organomet., 1982, 1, 1166. [all data]

Brown, Connor, et al., 1974
Brown, D.L.S.; Connor, J.A.; Skinner, H.A., J. Organometal. Chem., 1974, 81, 403. [all data]

Baev, Dem'yanchuk, et al., 1971
Baev, A.K.; Dem'yanchuk, V.V.; Mirzoev, G.; Noikov, G.I.; Kolobova, N.E., Russ. J. Phys. Chem., 1971, 45, 6, 777. [all data]

Lemoine, Gross, et al., 1975
Lemoine, P.; Gross, M.; Bousquet, J.; Letoffe, J.M.; Diot, M., J. Chem. Thermodyn., 1975, 7, 913. [all data]

Behrens, 1976
Behrens, R.G., J. Organometal. Chem., 1976, 121, C63. [all data]

Cotton and Monchamp, 1960
Cotton, F.A.; Monchamp, R.R., J. Chem. Soc., 1960, 533.. [all data]

Connor, Zafarani-Moattar, et al., 1982, 2
Connor, Joseph A.; Zafarani-Moattar, Mohamed T.; Bickerton, James; El Saied, Nabila I.; Suradi, Sukiman; Carson, Ronald; Al Takhin, Ghassan; Skinner, Henry A., Enthalpy of formation of acyl-, alkyl- and hydridopentacarbonyl-manganese complexes. The enthalpy contributions of manganese-hydrogen and manganese-carbon bonds in these molecules. Thermochemical aspects of models in Fischer-Tropsch reactions, Organometallics, 1982, 1, 9, 1166-1174, https://doi.org/10.1021/om00069a011 . [all data]

Michels and Svec, 1981
Michels, G.D.; Svec, H.J., Characterization of MnTc(CO)₁₀ and TcRe(CO)₁₀, Inorg. Chem., 1981, 20, 3445. [all data]

Higginson, Lloyd, et al., 1975
Higginson, B.R.; Lloyd, D.R.; Evans, S.; Orchard, A.F., Photoelectron studies of metal carbonyls. Part 5. - Substituted group VIIA carbonyls, J. Chem. Soc. Faraday Trans. 2, 1975, 71, 1913. [all data]

Connor, Zafarani-Moattar, et al., 1972
Connor, J.A.; Zafarani-Moattar, M.T.; Bickerton, J.; ElSaied, N.I.; Suradi, S.; Carson, R.; AlTakhin, G.; Skinner, H.A., [Title unavailable], Organometallics, 1972, 1, 1166. [all data]

Junk and Svec, 1970
Junk, G.A.; Svec, H.J., The mass spectra, ionization potentials, and bond energies of the group VIIA decacarbonyls, J. Chem. Soc. A, 1970, 2102. [all data]

Bidinosti and McIntyre, 1970
Bidinosti, D.R.; McIntyre, N.S., Mass spectrometric study of the thermal decomposition of dimanganese decacarbonyl and dicobalt octacarbonyl, Can. J. Chem., 1970, 48, 593. [all data]

Winters and Kiser, 1965
Winters, R.E.; Kiser, R.W., Ions produced by electron impact with the dimetallic carbonyls of cobalt and manganese, J. Phys. Chem., 1965, 69, 1618. [all data]

Evans, Green, et al., 1969
Evans, S.; Green, J.C.; Green, M.L.H.; Orchard, A.F.; Turner, D.W., Study of the bonding in pentacarbonylmanganese derivatives by photoelectron spectroscopy, Faraday Discuss. Chem. Soc., 1969, 47, 112. [all data]

Svec and Junk, 1967
Svec, H.J.; Junk, G.A., Energetics of the ionization and dissociation of Mn₂(CO)₁₀, Re₂(CO)₁₀, and ReMn(CO)₁₀, J. Am. Chem. Soc., 1967, 89, 2836. [all data]

Bidinosti and McIntyre, 1966
Bidinosti, D.R.; McIntyre, N.S., The metal-metal bond dissociation energy in manganese carbonyl, Chem. Commun., 1966, 555. [all data]

Notes

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Symbols used in this document:

AE Appearance energy

Δ_subH Enthalpy of sublimation

Δ_subH° Enthalpy of sublimation at standard conditions

Δ_vapH Enthalpy of vaporization
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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AE	Appearance energy
Δ_subH	Enthalpy of sublimation
Δ_subH°	Enthalpy of sublimation at standard conditions
Δ_vapH	Enthalpy of vaporization