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
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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:
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, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
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, Phase change data, References
- Symbols used in this document:
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
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