Osmium, dodecacarbonyltri-, triangulo
- Formula: C12O12Os3
- Molecular weight: 906.81
- IUPAC Standard InChI: InChI=1S/12CO.3Os/c12*1-2;;;
- IUPAC Standard InChIKey: VUBLMKVEIPBYME-UHFFFAOYSA-N
- CAS Registry Number: 15696-40-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Dodecacarbonyl-triangulo-triosmium; Dodecacarbonyltriosmium; Osmium carbonyl (Os3(CO)12); Osmium dodecacarbonyl; Triosmium dodecacarbonyl; Os3(CO)12; Osmium carbonyl; Triangulo-dodecacarbonyltriosmium
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Reaction thermochemistry data
Go To: Top, 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: 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
C11H2O11Os (solution) + (solution) =
(g) +
(solution)
By formula: C11H2O11Os (solution) + CO (solution) = H2 (g) + C12O12Os3 (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -9.0 ± 2.3 | kcal/mol | ES/KS | Poë, Sampson, et al., 1993 | solvent: Decalin; Calculated from equilibrium and kinetic data Poë, Sampson, et al., 1993. |
| ΔrH° | -18.5 ± 2.3 | kcal/mol | N/A | Poë, Sampson, et al., 1993 | solvent: Decalin; Calculated from data for the reactions Os3(CO)10(H)2(solution) + CO(solution) = Os3(CO)11(H)2(solution) (hrxn [kJ/mol]=-39.7±1.3, srxn [J/(mol K)]=-80.3±3.8) and Os3(CO)11(H)2(solution) + CO(solution) = Os3(CO)12(solution) + H2(g) (hrxn [kJ/mol]=-37.7±9.6, srxn [J/(mol K)]=-32.6±27.6) Poë, Sampson, et al., 1993. |
(cr) = 12
(g) + 3
(cr)
By formula: C12O12Os3 (cr) = 12CO (g) + 3Os (cr)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 101.0 ± 4.0 | kcal/mol | TD-HFC | Connor, Skinner, et al., 1973 | Please 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
Go To: Top, Reaction thermochemistry 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 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
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.8 | PE | Sherwood and Hall, 1982 | LBLHLM |
| 7.83 | PE | Green, Mingos, et al., 1981 | Vertical value; LLK |
| 7.83 | PE | Mingos, 1980 | Vertical value; LLK |
| 7.83 | PE | Green, Mingos, et al., 1980 | Vertical value; LLK |
| 7.8 ± 0.2 | PE | Green, Seddon, et al., 1979 | Vertical value; LLK |
References
Go To: Top, 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.
Poë, Sampson, et al., 1993
Poë, A.J.; Sampson, C.N.; Smith, R.T.; Zheng, Y.,
J. Am. Chem. Soc., 1993, 115, 3174. [all data]
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]
Sherwood and Hall, 1982
Sherwood, D.E., Jr.; Hall, M.B.,
Electronic structure of metal clusters. 2. Photoelectron spectrum and molecular orbital calculations of decacarbonyldihydridotriosmium,
Inorg. Chem., 1982, 21, 3458. [all data]
Green, Mingos, et al., 1981
Green, J.C.; Mingos, D.M.P.; Seddon, E.A.,
Ultraviolet photoelectron studies on bonding in some metal carbonyl and metal hydrido carbonyl clusters,
Inorg. Chem., 1981, 20, 2595. [all data]
Mingos, 1980
Mingos, D.M.P.,
Theoretical structural studies on organometallic cluster molecules,
Pure Appl. Chem., 1980, 52, 705. [all data]
Green, Mingos, et al., 1980
Green, J.C.; Mingos, D.M.P.; Seddon, E.A.,
UV photoelectron spectral studies of carbonylhydrido-clusters and the development of a topological bonding model,
J. Organomet. Chem., 1980, 185, 20. [all data]
Green, Seddon, et al., 1979
Green, J.C.; Seddon, E.A.; Mingos, D.M.P.,
U.V. photoelectron spectral studies on the metal carbonyl cluster compounds Os3(CO)12, Ru3(CO)12, and Os6(CO)18,
J. Chem. Soc., Chem. Commun., 1979, 94. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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