Bis(η5-cyclopentadienyl)tungsten dihydride
- Formula: C10H12W
- Molecular weight: 316.04
- CAS Registry Number: 1271-33-6
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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 |
---|---|---|---|---|---|
ΔfH°gas | 334.5 ± 3.3 | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 310.3 ± 8.7 | kJ/mol | Review | Martinho Simões | The enthalpy of formation relies on -63.1 ± 7.2 kJ/mol for the enthalpy of formation of W(Cp)2(Cl)2(cr) |
Condensed 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 |
---|---|---|---|---|---|
ΔfH°solid | 250.4 ± 2.9 | kJ/mol | Review | Martinho Simões | |
ΔfH°solid | 226.2 ± 8.6 | kJ/mol | Review | Martinho Simões | The enthalpy of formation relies on -63.1 ± 7.2 kJ/mol for the enthalpy of formation of W(Cp)2(Cl)2(cr) |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -6743.4 ± 2.5 | kJ/mol | CC-SB | Tel'noi, Rabinovich, et al., 1976 | Please also see Tel'noi and Rabinovich, 1977. |
Phase change 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:
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 84.1 ± 1.6 | kJ/mol | CC-SB | Dias, Diogo, et al., 1990 | Another value for the enthalpy of sublimation has been reported: 96.2 ± 2.1 kJ/mol Tel'noi, Rabinovich, et al., 1976; MS |
ΔsubH° | 96.2 ± 2.1 | kJ/mol | N/A | Pilcher and Skinner, 1983 | See also Calado, Dias, et al., 1979 and Tel'noi, Rabinovich, et al., 1976.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
84.6 ± 1.6 | 313. to 323. | ME | Dias, Diogo, et al., 1990, 2 | AC |
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 |
---|---|---|---|
6.4 ± 0.2 | LE | Nakato, Chiyoda, et al., 1974 | LLK |
6.5 ± 0.1 | EI | Muller and D'Or, 1967 | RDSH |
6.4 ± 0.1 | PE | Green, Jackson, et al., 1975 | Vertical value; LLK |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]
Tel'noi, Rabinovich, et al., 1976
Tel'noi, V.I.; Rabinovich, I.B.; Kir'yanov, K.V.; Smirnov, A.S.,
Dokl. Akad. Nauk SSSR, 1976, 231, 733. [all data]
Tel'noi and Rabinovich, 1977
Tel'noi, V.I.; Rabinovich, I.B.,
Russ. Chem. Rev., 1977, 46, 689. [all data]
Dias, Diogo, et al., 1990
Dias, A.R.; Diogo, H.P.; Minas da Piedade, M.E.; Martinho Simões, J.A.; Carson, A.S.; Jamea, E.H.,
J. Organometal. Chem., 1990, 391, 361. [all data]
Pilcher and Skinner, 1983
Pilcher, G.; Skinner, H.A.,
Thermochemistry of organometallic compounds, 1983, 43-90, https://doi.org/10.1002/9780470771686.ch2
. [all data]
Calado, Dias, et al., 1979
Calado, J.C.G.; Dias, A.R.; Simo~es, J.A. Martinho; da Silva, M.A.V. Ribeiro,
Bond-enthalpy contributions in M(η-C5H5)2L2 complexes (M = Mo, W;L = H, CH3, Cl),
Journal of Organometallic Chemistry, 1979, 174, 1, 77-80, https://doi.org/10.1016/S0022-328X(00)96164-3
. [all data]
Dias, Diogo, et al., 1990, 2
Dias, A.R.; Diogo, H.P.; Minas da Piedade, M.E.; Simoes, J.A.M.; Carson, A.S.; Jamea, E.H.,
Standard enthalpies of formation of gaseous dicyclopentadienylmolybdenum and -tungsten dihydrides,
J. Organomet. Chem., 1990, 391, 361-366. [all data]
Nakato, Chiyoda, et al., 1974
Nakato, Y.; Chiyoda, T.; Tsubomura, H.,
Experimental determination of ionization potentials of organic amines, β-carotene and chlorophyll a,
Bull. Chem. Soc. Jpn., 1974, 47, 3001. [all data]
Muller and D'Or, 1967
Muller, J.; D'Or, L.,
Massenspektrometrische Untersuchungen an Dicyclopentadienylkomplexen von Ubergangsmetallen,
J.Organometal. Chem., 1967, 10, 313. [all data]
Green, Jackson, et al., 1975
Green, J.C.; Jackson, S.E.; Higginson, B.,
Photoelectron studies of some bent bis(n-cyclopentadienyl)metal complexes. Part I. Some eighteen-electron systems with hydride, alkyl, olefin, allyl, carbonyl ligands,
J. Chem. Soc. Dalton Trans., 1975, 403. [all data]
Notes
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- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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