Titanocene dichloride
- Formula: C10H10Cl2Ti
- Molecular weight: 248.959
- IUPAC Standard InChIKey: XKLWATAZDMHTSH-UHFFFAOYSA-L
- CAS Registry Number: 1271-19-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Titanium, dichlorobis(η5-2,4-cyclopentadien-1-yl)-; Titanium, dichlorodi-π-cyclopentadienyl-; bis(η5-Cyclopentadienyl)titanium dichloride; Bis(π-cyclopentadienyl)titanium dichloride; Bis(cyclopentadienyl)titanium dichloride; Dichlorobis(π-cyclopentadienyl)titanium; Dichlorobis(cyclopentadienyl)titanium; Dichlorodi-π-cyclopentadienyltitanium; Dichlorodicyclopentadienyltitanium; Dichlorotitanocene; Dicyclopentadienyldichlorotitanium; Dicyclopentadienyltitanium dichloride; Bis(π-cyclopentadienyl)dichlorotitanium; Dichlorobis(η5-cyclopentadienyl)titanium; Dichlorobis(η5-2,4-cyclopentadien-1-yl)titanium; NCI-C04502; Titanium, bis(cyclopentadienyl)dichloride-; Bis(cyclopentadienyl)dichlorotitanium; Dichlorobis(1,3-cyclopentadiene)titanium; NSC 78453; dichlorobis(η-cyclopentadienyl)titanium
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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 | -63.3 ± 1.9 | kcal/mol | Review | Martinho Simões | Selected data. |
ΔfH°gas | -129.6 ± 5.0 | kcal/mol | Review | Martinho Simões | |
ΔfH°gas | -134.8 ± 5.0 | kcal/mol | Review | Martinho Simões |
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 | -91.7 ± 1.8 | kcal/mol | Review | Martinho Simões | Selected data. |
ΔfH°solid | -152.6 ± 5.0 | kcal/mol | Review | Martinho Simões | |
ΔfH°solid | -158.0 ± 5.0 | kcal/mol | Review | Martinho Simões | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1366.0 ± 5.0 | kcal/mol | CC-SB | Dillard and Kiser, 1969 | The combustion conditions and reaction are ill-defined in Dillard and Kiser, 1969. The composition of the hydrochloric acid solution, HCl,74H2O, was assigned on the basis of the auxiliary data used by authors and their literature references. |
ΔcH°solid | -1398.0 ± 5.0 | kcal/mol | CC-SB | Dillard and Kiser, 1969 | The combustion conditions and reaction are ill-defined in Dillard and Kiser, 1969. The composition of the hydrochloric acid solution, HCl,74H2O, was assigned on the basis of the auxiliary data used by authors and their literature references. |
ΔcH°solid | -1427.2 ± 1.8 | kcal/mol | CC-SB | Tel' noi, Rabinovich, et al., 1967 | Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977. The enthalpy of combustion was quoted from 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:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 26. ± 5. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
29.73 | 475.5 | A | Stephenson and Malanowski, 1987 | Based on data from 418. to 533. K.; 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:
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
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.98 ± 0.16 | EI | Dillard and Kiser, 1969 | RDSH |
8.50 | PE | Bohm, 1982 | Vertical value; LBLHLM |
8.5 ± 0.1 | PE | Cauletti, Clark, et al., 1980 | Vertical value; LLK |
8.46 ± 0.05 | PE | Condorelli, Fragala, et al., 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H3+ | 18.0 ± 0.5 | ? | EI | Dillard and Kiser, 1969 | RDSH |
C3H3ClTi+ | ~19.5 | ? | EI | Dillard and Kiser, 1969 | RDSH |
C5H5+ | 13.0 ± 0.4 | ? | EI | Dillard and Kiser, 1969 | RDSH |
C5H5ClTi+ | 16.3 ± 0.3 | ? | EI | Dillard and Kiser, 1969 | RDSH |
C5H5Cl2Ti+ | 11.8 ± 0.2 | ? | EI | Dillard and Kiser, 1969 | RDSH |
C10H10ClTi+ | 10.8 ± 0.3 | Cl | EI | Dillard and Kiser, 1969 | RDSH |
TiCl+ | 21.6 ± 0.4 | ? | EI | Dillard and Kiser, 1969 | RDSH |
TiCl2+ | 19.7 ± 0.4 | ? | EI | Dillard and Kiser, 1969 | RDSH |
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]
Dillard and Kiser, 1969
Dillard, J.G.; Kiser, R.W.,
The formation of gaseous ions from dicyclopentadienyltitanium dichloride and dicyclopentadienylzirconium dichloride upon electron impact,
J. Organometal. Chem., 1969, 16, 265. [all data]
Tel' noi, Rabinovich, et al., 1967
Tel' noi, V.I.; Rabinovich, I.B.; Tikhonov, V.D.; Latyaeva, V.N.; Vyshmskaya, L.I.; Razuvaev, G.A.,
Dokl. Akad. Nauk SSSR, 1967, 174, 1374. [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]
Tel'noi and Rabinovich, 1977
Tel'noi, V.I.; Rabinovich, I.B.,
Russ. Chem. Rev., 1977, 46, 689. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Bohm, 1982
Bohm, M.C.,
The photoelectron spectra of bis(cyclopentadienyl)titanium derivatives - a green's function approach,
Inorg. Chim. Acta, 1982, 62, 171. [all data]
Cauletti, Clark, et al., 1980
Cauletti, C.; Clark, J.P.; Green, J.C.; Jackson, S.E.; Fragala, I.L.; Ciliberto, E.; Coleman, A.W.,
Photoelectron spectra of bis-cyclopentadienyl metal dihalides,
J. Electron Spectrosc. Relat. Phenom., 1980, 18, 61. [all data]
Condorelli, Fragala, et al., 1975
Condorelli, G.; Fragala, I.; Centineo, A.; Tondello, E.,
The electronic structure and photoelectron spectra of dichlorodi-π-cyclopentadienyl- titanium(IV), -zirconium(IV) and- hafnium(IV),
J. Organomet. Chem., 1975, 87, 311. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy 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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