Dimanganese decacarbonyl


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
Δfgas-1585.3 ± 4.3kJ/molReviewMartinho SimõesSelected data.
Δfgas-1582.2 ± 9.4kJ/molReviewMartinho Simões 
Δfgas-1582.8 ± 9.2kJ/molReviewMartinho Simões 

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

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Individual Reactions

Dimanganese decacarbonyl (solution) = 2C5MnO5 (solution)

By formula: C10Mn2O10 (solution) = 2C5MnO5 (solution)

Quantity Value Units Method Reference Comment
Δr158. ± 17.kJ/molES/EChemPugh and Meyer T.J., 1992solvent: Acetonitrile; The value relies on the reaction Gibbs energy, 118. ± 17. kJ/mol Pugh and Meyer T.J., 1992, and an estimated value, 133.9 J/(mol K), for the reaction entropy Pugh and Meyer T.J., 1992
Δr>104.2kJ/molES/EChemPugh and Meyer, 1988solvent: Acetonitrile; The lower limit is the reaction Gibbs energy
Δr159. ± 21.kJ/molPACGoodman, Peters, et al., 1986solvent: Hexane, cyclohexane, thf or acetonitrile; The average value of the enthalpy of the reaction Mn2(CO)10(solution) = 2xMn(CO)5(solution) + (1-x)Mn2(CO)9(solution) + (1-x)CO(solution) in the solvents indicated is 53.4 ± 5.2 kJ/mol. This value, together with several estimates and auxiliary data led to the reaction enthalpy for the cleavage of Mn-Mn bond
Δr>154.kJ/molKinSHopgood and Poë, 1966solvent: Decalin; Please also see Poë, 1981. The reaction enthalpy was derived from the enthalpy of activation, 153.8 ± 1.6 kJ/mol Hopgood and Poë, 1966 Poë, 1981, by assuming a negligible barrier for the radical recombination. This procedure was later considered to yield a low limit of the reaction enthalpy Poë, 1983 Marcomini and Poë, 1984 Marcomini and Poë, 1983 Coville, Stolzenberg, et al., 1983. See also Schmidt, Trogler, et al., 1984

Dimanganese decacarbonyl (solution) + Dirhenium decacarbonyl (solution) = 2C10MnO10Re (solution)

By formula: C10Mn2O10 (solution) + C10O10Re2 (solution) = 2C10MnO10Re (solution)

Quantity Value Units Method Reference Comment
Δr121. ± 31.kJ/molPCHarel and Adamson, 1986solvent: Cyclohexane; The reaction enthalpy was calculated from the enthalpies of the following reactions: Mn2(CO)10(solution) + I2(solution) = 2Mn(CO)5(I)(solution), -187.9 ± 8.4 kJ/mol, Re2(CO)10(solution) + I2(solution) = 2Re(CO)5(I)(solution), -157. ± 16. kJ/mol, and MnRe(CO)10(solution) + I2(solution) = Mn(CO)5(I)(solution) + Re(CO)5(I)(solution), -233. ± 13. kJ/mol
Δr34.4 ± 1.3kJ/molEqSMarcomini and Poë, 1984solvent: Decalin; Temperature range: 443-463 K

Dimanganese decacarbonyl (cr) + Iodine (cr) = 2Manganese, pentacarbonyliodo- (cr)

By formula: C10Mn2O10 (cr) + I2 (cr) = 2C5IMnO5 (cr)

Quantity Value Units Method Reference Comment
Δr-185.0 ± 8.7kJ/molPCHarel and Adamson, 1986The reaction enthalpy was calculated from the enthalpy of the same reaction in cyclohexane, -187.9 ± 8.4 kJ/mol Harel and Adamson, 1986, and from the solution enthalpies of Mn2(CO)10(cr), 36.0 ± 2.1 kJ/mol, I2(cr), 20.5 ± 0.4 kJ/mol, and Mn(CO)5(I)(cr), 26.8 ± 0.5 kJ/mol Harel and Adamson, 1986. The latter value refers to the solution in benzene and is therefore taken as an approximation

Dimanganese decacarbonyl (g) = 2C5MnO5 (g)

By formula: C10Mn2O10 (g) = 2C5MnO5 (g)

Quantity Value Units Method Reference Comment
Δr>176.kJ/molESTSmith, 1988 
Δr94.kJ/molESTConnor, Zafarani-Moattar, et al., 1982 
Δr96. ± 13.kJ/molEG/EIMSBidinosti and McIntyre, 1970The reaction enthalpy includes an estimated correction to 298 K. A value of 104.2 ± 8.4 kJ/mol was reported at an average temperature of 540 K Bidinosti and McIntyre, 1970. The enthalpy of formation relies on -1585.3 ± 4.3 kJ/mol for the enthalpy of formation of Mn2(CO)10(g)

Dimanganese decacarbonyl (solution) + Hydrogen (solution) = 2Hydromanganese pentacarbonyl (solution)

By formula: C10Mn2O10 (solution) + H2 (solution) = 2C5HMnO5 (solution)

Quantity Value Units Method Reference Comment
Δr36.4 ± 1.3kJ/molEqSKlingler R.J. and Rathke, 1992solvent: Supercritical carbon dioxide; Temperature range: 373-463 K

Dimanganese decacarbonyl (solution) + Dicobalt octacarbonyl (solution) = 2C9CoMnO9 (solution)

By formula: C10Mn2O10 (solution) + C8Co2O8 (solution) = 2C9CoMnO9 (solution)

Quantity Value Units Method Reference Comment
Δr3.3 ± 1.3kJ/molEqSKlingler R.J. and Rathke, 1992solvent: Supercritical carbon dioxide; Temperature range: 353-453 K

Dimanganese decacarbonyl (g) = C9Mn2O9 (g) + Carbon monoxide (g)

By formula: C10Mn2O10 (g) = C9Mn2O9 (g) + CO (g)

Quantity Value Units Method Reference Comment
Δr159.0 ± 8.4kJ/molLPHPSmith, 1988The reaction enthalpy relies on an activation energy of 159.0 ± 8.4 kJ/mol and assumes a negligible activation barrier for product recombination.

Dimanganese decacarbonyl (solution) + Iodine (solution) = 2Manganese, pentacarbonyliodo- (solution)

By formula: C10Mn2O10 (solution) + I2 (solution) = 2C5IMnO5 (solution)

Quantity Value Units Method Reference Comment
Δr-187.9 ± 8.4kJ/molPCHarel and Adamson, 1986solvent: Cyclohexane

Dimanganese decacarbonyl (cr) + 2Bromine (g) = 2manganese dibromide (cr) + 10Carbon monoxide (g)

By formula: C10Mn2O10 (cr) + 2Br2 (g) = 2Br2Mn (cr) + 10CO (g)

Quantity Value Units Method Reference Comment
Δr-263.6 ± 8.2kJ/molHAL-HFCConnor, Zafarani-Moattar, et al., 1982 

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
8.32 ± 0.01EIMichels and Svec, 1981LLK
7.7PEHigginson, Lloyd, et al., 1975LLK
7.69 ± 0.01PEConnor, Zafarani-Moattar, et al., 1972LLK
8.46 ± 0.03EIJunk and Svec, 1970RDSH
8.4 ± 0.1EIBidinosti and McIntyre, 1970RDSH
8.55 ± 0.10EIWinters and Kiser, 1965RDSH
8.02PEHigginson, Lloyd, et al., 1975Vertical value; LLK
8.02PEEvans, Green, et al., 1969Vertical value; RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
MnCO+18.21?EISvec and Junk, 1967RDSH
MnCO+17.5 ± 0.2?EIWinters and Kiser, 1965RDSH
MnC2O2+14.80?EISvec and Junk, 1967RDSH
Mn2C2O2+16.438COEISvec and Junk, 1967RDSH
Mn2C3O3+15.347COEISvec and Junk, 1967RDSH
Mn2C4O4+13.986COEISvec and Junk, 1967RDSH
Mn2C4O4+14.0 ± 0.26COEIWinters and Kiser, 1965RDSH
MnC5O5+9.40?EISvec and Junk, 1967RDSH
MnC5O5+9.3 ± 0.1?EIBidinosti and McIntyre, 1966RDSH
Mn2C5O5+11.915COEISvec and Junk, 1967RDSH
Mn2C5O5+12.6 ± 0.25COEIWinters and Kiser, 1965RDSH
Mn+22.13?EISvec and Junk, 1967RDSH
Mn+20.8 ± 0.4?EIWinters and Kiser, 1965RDSH
Mn2+18.7310COEISvec and Junk, 1967RDSH
Mn2+18.8 ± 0.310COEIWinters and Kiser, 1965RDSH

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, 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.

Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]

Pugh and Meyer T.J., 1992
Pugh, J.R.; Meyer T.J., J. Am. Chem. Soc., 1992, 114, 3784. [all data]

Pugh and Meyer, 1988
Pugh, J.R.; Meyer, T.J., J. Am. Chem. Soc., 1988, 110, 8245. [all data]

Goodman, Peters, et al., 1986
Goodman, J.L.; Peters, K.S.; Vaida, V., Organometallics, 1986, 5, 815. [all data]

Hopgood and Poë, 1966
Hopgood, D.; Poë, A.J., J. Chem. Soc., Chem. Commun., 1966, 831.. [all data]

Poë, 1981
Poë, A., ACS Symp. Ser., 1981, No. 155, 135. [all data]

Poë, 1983
Poë, A., Chem. Brit., 1983, 19, 997. [all data]

Marcomini and Poë, 1984
Marcomini, A.; Poë, A., J. Chem. Soc., Dalton Trans., 1984, 95.. [all data]

Marcomini and Poë, 1983
Marcomini, A.; Poë, A., J. Am. Chem. Soc., 1983, 105, 6952. [all data]

Coville, Stolzenberg, et al., 1983
Coville, N.J.; Stolzenberg, A.M.; Muetterties, E.L., J. Am. Chem. Soc., 1983, 105, 2499. [all data]

Schmidt, Trogler, et al., 1984
Schmidt, S.P.; Trogler, W.C.; Basolo, F., J. Am. Chem. Soc., 1984, 106, 1308. [all data]

Harel and Adamson, 1986
Harel, Y.; Adamson, A.W., J. Phys. Chem., 1986, 90, 6693. [all data]

Smith, 1988
Smith, G.P., Polyhedron, 1988, 7, 1605. [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]

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]

Klingler R.J. and Rathke, 1992
Klingler R.J.; Rathke, J.W., Inorg. Chem., 1992, 31, 804. [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]

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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