Molybdenum hexacarbonyl

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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
Δfgas-908.5 ± 2.9kJ/molReviewMartinho Simões 
Δfgas-886.5 ± 4.4kJ/molReviewMartinho Simões 
Δfgas-916.1 ± 4.4kJ/molReviewMartinho Simões 
Δfgas-915.3 ± 2.1kJ/molReviewMartinho SimõesSelected data.

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), References, Notes

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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)762.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity738.1kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.25PECooper, Green, et al., 1987LBLHLM
8.2PEHubbard and Lichtenberger, 1982LBLHLM
8.46 ± 0.01EIMichels, Flesch, et al., 1980LLK
8.50 ± 0.05EIPaetzold and Abd-el-Mottaleb, 1975LLK
8.227 ± 0.011PILloyd and Schlag, 1969RDSH
8.43 ± 0.05EIJunk and Svec, 1968RDSH
8.46 ± 0.08EIBidinosti and McIntyre, 1967RDSH
8.23 ± 0.12EIWinters and Kiser, 1965RDSH
8.30 ± 0.03EIFoffani, Pignataro, et al., 1965RDSH
8.12 ± 0.03PIVilesov and Kurbatov, 1961RDSH
8.45PEHubbard and Lichtenberger, 1982Vertical value; LBLHLM
8.50PEHead, Nixon, et al., 1975Vertical value; LLK
8.50 ± 0.02PEHigginson, Lloyd, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
MoC+24. ± 1.?EIBidinosti and McIntyre, 1967RDSH
MoC+27.2 ± 0.4?EIWinters and Kiser, 1965RDSH
CMoO+16.52 ± 0.035COEIMichels, Flesch, et al., 1980LLK
MoCO+15.615COEIJunk and Svec, 1968RDSH
MoCO+15.7 ± 0.25COEIBidinosti and McIntyre, 1967RDSH
MoCO+18.1 ± 0.35COEIWinters and Kiser, 1965RDSH
MoCO+15.8 ± 0.065COEIFoffani, Pignataro, et al., 1965RDSH
C2MoO2+14.86 ± 0.024COEIMichels, Flesch, et al., 1980LLK
MoC2O2+14.764COEIJunk and Svec, 1968RDSH
MoC2O2+14.5 ± 0.14COEIBidinosti and McIntyre, 1967RDSH
MoC2O2+15.6 ± 0.34COEIWinters and Kiser, 1965RDSH
MoC2O2+13.9 ± 0.34COEIFoffani, Pignataro, et al., 1965RDSH
C3MoO3+13.29 ± 0.023COEIMichels, Flesch, et al., 1980LLK
MoC3O3+13.183COEIJunk and Svec, 1968RDSH
MoC3O3+12.8 ± 0.13COEIBidinosti and McIntyre, 1967RDSH
MOC3O3+13.7 ± 0.33COEIWinters and Kiser, 1965RDSH
MoC3O3+12.36 ± 0.123COEIFoffani, Pignataro, et al., 1965RDSH
C4MoO4+11.61 ± 0.022COEIMichels, Flesch, et al., 1980LLK
MoC4O4+10.722COEIJunk and Svec, 1968RDSH
MoC4O4+10.63 ± 0.152COEIBidinosti and McIntyre, 1967RDSH
MoC4O4+11.9 ± 0.22COEIWinters and Kiser, 1965RDSH
MoC4O4+11.28 ± 0.142COEIFoffani, Pignataro, et al., 1965RDSH
C5MoO5+10.02 ± 0.02COEIMichels, Flesch, et al., 1980LLK
MoC5O5+9.14COEIJunk and Svec, 1968RDSH
MoC5O5+9.4 ± 0.1COEIBidinosti and McIntyre, 1967RDSH
MoC5O5+9.80 ± 0.15COEIWinters and Kiser, 1965RDSH
MoC5O5+9.64 ± 0.05COEIFoffani, Pignataro, et al., 1965RDSH
Mo+18.24 ± 0.066COEIMichels, Flesch, et al., 1980LLK
Mo+19.636COEIJunk and Svec, 1968RDSH
Mo+18.6 ± 0.26COEIBidinosti and McIntyre, 1967RDSH
Mo+20.7 ± 0.56COEIWinters and Kiser, 1965RDSH
Mo+18.3 ± 0.36COEIFoffani, Pignataro, et al., 1965RDSH
MoO+24. ± 1.?EIBidinosti and McIntyre, 1967RDSH

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References, Notes

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 D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 60913

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References

Go To: Top, Gas phase 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]

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]

Cooper, Green, et al., 1987
Cooper, G.; Green, J.C.; Payne, M.; Dobson, B.R.; Hillier, I.H., Photoelectron spectroscopy with variable photon energy: A study of the metal hexacarbonyls, M(CO)6, Where M = CR, MO, and W., J. Am. Chem. Soc., 1987, 109, 3836. [all data]

Hubbard and Lichtenberger, 1982
Hubbard, J.L.; Lichtenberger, D.L., Vibrational fine structure in the valence ionizations of transition-metal hexacarbonyls: New experimental indication of metal-to-carbonyl π bonding, J. Am. Chem. Soc., 1982, 104, 2132. [all data]

Michels, Flesch, et al., 1980
Michels, G.D.; Flesch, G.D.; Svec, H.J., Comparative mass spectrometry of the group 6B hexacarbonyls and pentacarbonyl thiocarbonyls, Inorg. Chem., 1980, 19, 479. [all data]

Paetzold and Abd-el-Mottaleb, 1975
Paetzold, R.; Abd-el-Mottaleb, S., Correlative studies of some spectroscopic and bonding parameters in octahedrally coordinated metal carbonyl complexes, J. Mol. Struct., 1975, 24, 357. [all data]

Lloyd and Schlag, 1969
Lloyd, D.R.; Schlag, E.W., Photoionization studies of metal carbonyls. I. Ionization potentials and the bonding in group VI metal hexacarbonyls and in mononuclear carbonyls and nitrosyl carbonyls of iron, cobalt, and nickel, Inorg. Chem., 1969, 8, 2544. [all data]

Junk and Svec, 1968
Junk, G.A.; Svec, H.J., Energetics of the ionization and dissociation of Ni(CO)4, Fe(CO)5, Cr(CO)6, Mo(CO)6 and W(CO)6, Z. Naturforsch., 1968, 23b, 1. [all data]

Bidinosti and McIntyre, 1967
Bidinosti, D.R.; McIntyre, N.S., Electron-impact study of some binary metal carbonyls, Can. J. Chem., 1967, 45, 641. [all data]

Winters and Kiser, 1965
Winters, R.E.; Kiser, R.W., Mass spectrometric studies of chromium, molybdenum, and tungsten hexacarbonyls, Inorg. Chem., 1965, 4, 157. [all data]

Foffani, Pignataro, et al., 1965
Foffani, A.; Pignataro, S.; Cantone, B.; Grasso, F., Mass spectra of metal hexacarbonyls, Z. Physik. Chem. (Frankfurt), 1965, 45, 79. [all data]

Vilesov and Kurbatov, 1961
Vilesov, F.I.; Kurbatov, B.L., Photoionization of esters and metal carbonyis in the gaseous phase, Dokl. Akad. Nauk SSSR, 1961, 140, 1364, In original 792. [all data]

Head, Nixon, et al., 1975
Head, R.A.; Nixon, J.F.; Sharp, G.J.; Clark, R.J., Photoelectron spectroscopic study of metal trifluorophosphine and hydridotrifluorophosphine complexes, J. Chem. Soc. Dalton Trans., 1975, 2054. [all data]

Higginson, Lloyd, et al., 1973
Higginson, B.R.; Lloyd, D.R.; Burroughs, P.; Gibson, D.M.; Orchard, A.F., Photoelectron studies of metal carbonyls. Part 2. The valence region photoelectron spectra of the Group VIA hexacarbonyls, J. Chem. Soc. Faraday Trans. 2, 1973, 1659. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References