Bis(cyclopentadienyl)zirconium dichloride
- Formula: C10H10Cl2Zr
- Molecular weight: 292.316
- IUPAC Standard InChIKey: QRUYYSPCOGSZGQ-UHFFFAOYSA-L
- CAS Registry Number: 1291-32-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Zirconocene dichloride; Dicyclopentadienylzirconium dichloride; Zirconium, dichlorobis(η(5)-2,4-cyclopentadien-1-yl)-; Bis-π-cyclopentadienyldichlorozirconium; Dichlorobis(cyclopentadienyl) zirconium; Dichlorodi-π-cyclopentadienylzirconium; Dichlorodi-π-dicyclopentadienylzirconium; Dichlorodicyclopentadienylzirconium; Dichlorozirconocene; Dicyclopentadienyldichlorozirconium; Zirconcene dichloride; Zirconium dicyclopentadiene dichloride; Zirconium, dichlorobis(2,4-cyclopentadien-1-yl)-; Zirconium, dichlorodi-π-cyclopentadienyl-; Bis(cyclopentadienyl)dichlorozirconium; Dichlorobis(η5-2,4-cyclopentadien-1-yl)zirconium; NSC 93930; bis(3-cyclopentadienyl)dichlorozirconium
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -433.6 ± 3.9 | kJ/mol | Review | Martinho Simões |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -538.6 ± 3.3 | kJ/mol | Review | Martinho Simões | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5972.7 ± 2.9 | kJ/mol | CC-SB | Kir'yanov, Tel'noi, et al., 1976 | Please also see Tel'noi and Rabinovich, 1977. The enthalpy of combustion was quoted from Tel'noi and Rabinovich, 1977. |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase 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:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 103. ± 13. | kJ/mol | N/A | KISER, DILLARD, et al., 2009 | See also Diogo, Minas da Piedade, et al., 2001.; AC |
ΔsubH° | 108.5 ± 4.6 | kJ/mol | ME | Diogo, Minas da Piedade, et al., 2001 | AC |
ΔsubH° | 105.0 ± 2.1 | kJ/mol | N/A | Pilcher and Skinner, 1983 | See also Kir'yanov, Tel'noi, et al., 1976.; AC |
ΔsubH° | 81.2 ± 2.1 | kJ/mol | N/A | Pilcher and Skinner, 1983 | See also Kir'yanov, Tel'noi, et al., 1976.; AC |
ΔsubH° | 105.0 ± 2.1 | kJ/mol | CC-SB | Kir'yanov, Tel'noi, et al., 1976 | Two other values for the enthalpy of sublimation have been reported: 100.4 ± 1.7 kJ/mol Balducci, Bardi, et al., 1977 and 96.7 kJ/mol Dillard and Kiser, 1969; MS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
71. ± 5. | 394. to 425. | Jeevan, Mathews, et al., 2008 | AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
100.3 | 425. | A | Stephenson and Malanowski, 1987 | Based on data from 393. to 457. K.; AC |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]
Kir'yanov, Tel'noi, et al., 1976
Kir'yanov, K.V.; Tel'noi, V.I.; Vasil'eva, G.A.; Rabinovich, I.B.,
Dokl. Akad. Nauk SSSR, 1976, 231, 1021. [all data]
Tel'noi and Rabinovich, 1977
Tel'noi, V.I.; Rabinovich, I.B.,
Russ. Chem. Rev., 1977, 46, 689. [all data]
KISER, DILLARD, et al., 2009
KISER, ROBERT W.; DILLARD, JOHN G.; DUGGER, DONALD L.,
Mass Spectrometry of Inorganic Halides, 2009, 153-180, https://doi.org/10.1021/ba-1968-0072.ch012
. [all data]
Diogo, Minas da Piedade, et al., 2001
Diogo, Hermínio P.; Minas da Piedade, Manuel E.; Gonçalves, Jorge M.; Monte, Manuel J.S.; Ribeiro da Silva, Manuel A.V.,
Enthalpies of Sublimation of M(η5-C5H5)2Cl2 (M = Ti, Zr, Hf, V, Nb, W) Complexes,
Eur. J. Inorg. Chem., 2001, 2001, 1, 257-262, https://doi.org/10.1002/1099-0682(20011)2001:1<257::AID-EJIC257>3.0.CO;2-2
. [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]
Balducci, Bardi, et al., 1977
Balducci, G.; Bardi, G.; de Maria, G.; Gigli, R.,
VII All-Union Calorimetry Conference, Moscow, 1977. [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]
Jeevan, Mathews, et al., 2008
Jeevan, T.S. Arul; Mathews, Tom; Raghunathan, V.S.; Nagaraja, K.S.,
Vapor pressure of tetrakis(1,1,1-trifluro-5,6-dimethylheptanedionato)zirconium(IV) and dichlorobis(η5-cyclopentadienyl)zirconium(IV) by TG-based transpiration technique,
Thermochimica Acta, 2008, 478, 1-2, 41-44, https://doi.org/10.1016/j.tca.2008.08.010
. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- 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 ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.