Bis(η5-cyclopentadienyl)tungsten dihydride
- Formula: C10H12W
- Molecular weight: 316.04
- CAS Registry Number: 1271-33-6
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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° | 20.1 ± 0.38 | kcal/mol | CC-SB | Dias, Diogo, et al., 1990 | Another value for the enthalpy of sublimation has been reported: 23.0 ± 0.50 kcal/mol Tel'noi, Rabinovich, et al., 1976; MS |
ΔsubH° | 23.0 ± 0.50 | kcal/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 (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20.2 ± 0.38 | 313. to 323. | ME | Dias, Diogo, et al., 1990, 2 | AC |
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
C10H12W (cr) + 2 (cr) = C10H10I2W (cr) + 2 (g)
By formula: C10H12W (cr) + 2I2 (cr) = C10H10I2W (cr) + 2HI (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -24.9 ± 1.3 | kcal/mol | RSC | Calado, Dias, et al., 1979, 2 |
C10H12W (cr) + 2 (cr) = C10H10Br2W (cr) + 2 (l)
By formula: C10H12W (cr) + 2CBr4 (cr) = C10H10Br2W (cr) + 2CHBr3 (l)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -72.30 ± 0.53 | kcal/mol | RSC | Calado, Dias, et al., 1980 |
C10H12W (cr) + 2 (l) = C10H10Cl2W (cr) + 2 (l)
By formula: C10H12W (cr) + 2CCl4 (l) = C10H10Cl2W (cr) + 2CHCl3 (l)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -71.96 ± 0.81 | kcal/mol | RSC | Calado, Dias, et al., 1979, 3 |
Gas phase ion energetics data
Go To: Top, Phase change data, 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:
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, Phase change 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.
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]
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]
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]
Calado, Dias, et al., 1979, 2
Calado, J.C.G.; Dias, A.R.; Martinho Simões, J.A.; Ribeiro da Silva, M.A.V.,
Rev. Port. Quím., 1979, 21, 129. [all data]
Calado, Dias, et al., 1980
Calado, J.C.G.; Dias, A.R.; Martinho Simões, J.A.,
J. Organometal. Chem., 1980, 195, 203. [all data]
Calado, Dias, et al., 1979, 3
Calado, J.C.G.; Dias, A.R.; Martinho Simões, J.A.; Ribeiro da Silva, M.A.V.,
J. Organometal. Chem., 1979, 174, 77. [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:
ΔrH° Enthalpy of reaction 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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