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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Gas phase thermochemistry data

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Data compiled by: José A. Martinho Simões

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_gas	-378.9 ± 1.0	kcal/mol	Review	Martinho Simões	Selected data.
Δ_fH°_gas	-378.2 ± 2.2	kcal/mol	Review	Martinho Simões
Δ_fH°_gas	-378.3 ± 2.2	kcal/mol	Review	Martinho Simões

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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Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [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_fH°_gas Enthalpy of formation of gas at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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AE	Appearance energy
Δ_fH°_gas	Enthalpy of formation of gas at standard conditions