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osmium


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

Osmium, dodecacarbonyltri-, triangulo (cr) = 12Carbon monoxide (g) + 3osmium (cr)

By formula: C12O12Os3 (cr) = 12CO (g) + 3Os (cr)

Quantity Value Units Method Reference Comment
Deltar423. ± 17.kJ/molTD-HFCConnor, Skinner, et al., 1973Please also see Pedley and Rylance, 1977. The value for the reaction enthalpy was considered a low limit Connor, Skinner, et al., 1973

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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to Os+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.7eVN/AN/AL

Electron affinity determinations

EA (eV) Reference Comment
1.07782 ± 0.00013Bilodeau and Haugen, 2000Reported: 1.07780(12) eV. See Fischer, Canali, et al., 2010 for Optical hyperfine Structure measurement; B

Ionization energy determinations

IE (eV) Method Reference Comment
8.7EVALLide, 1992LL
8.15 ± 0.09EIRauh and Ackermann, 1979LLK
8.7SMoore, 1970RDSH

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Connor, Skinner, et al., 1973
Connor, J.A.; Skinner, H.A.; Virmani, Y., High temperature microcalorimetric studies of the thermal decomposition and iodination of polynuclear carbonyls of Fe, Co, Ru, Rh, Re, Os and Ir, Faraday Symp. Chem. Soc., 1973, 8, 18, https://doi.org/10.1039/fs9730800018 . [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Bilodeau and Haugen, 2000
Bilodeau, R.C.; Haugen, H.K., Experimental studies of Os-: Observation of a bound-bound electric dipole transition in an atomic negative ion, Phys. Rev. Lett., 2000, 85, 3, 534-537, https://doi.org/10.1103/PhysRevLett.85.534 . [all data]

Fischer, Canali, et al., 2010
Fischer, A.; Canali, C.; Warring, U.; Kellerbauer, A.; Fritzsche, S., First Optical Hyperfine Structure Measurement in an Atomic Anion, Phys. Rev. Lett., 2010, 104, 7, 073004, https://doi.org/10.1103/PhysRevLett.104.073004 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Rauh and Ackermann, 1979
Rauh, E.G.; Ackermann, R.J., The first ionization potentials of the transition metals, J. Chem. Phys., 1979, 70, 1004. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]


Notes

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