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
Go To: Top, Mass spectrum (electron ionization), 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 |
Mass spectrum (electron ionization)
Go To: Top, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-2867 |
NIST MS number | 231012 |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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, Mass spectrum (electron ionization), 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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