tris(η5-2,4-cyclopentadien-1-yl)praseodymium
- Formula: C15H15Pr
- Molecular weight: 336.1873
- CAS Registry Number: 11077-59-1
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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 | -28.2 ± 8.7 | kJ/mol | Review | Martinho Simões | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -8970.5 ± 8.4 | kJ/mol | CC-SB | Devyatykh, Rabinovich, et al., 1974 | Please also see Pedley and Rylance, 1977 and 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° | 125.5 ± 3.0 | kJ/mol | N/A | Pilcher and Skinner, 1983 | See also Devyatykh, Rabinovitch, et al., 1974.; AC |
ΔsubH° | 125.5 ± 3.0 | kJ/mol | CC-SB | Devyatykh, Borisov, et al., 1973 | MS |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
113.0 ± 1.7 | 533. to 653. | N/A | Borisov, Krasnova, et al., 1973 | AC |
131.0 ± 2.1 | 338. to 438. | ME | Haug, 1971 | See also Haug, 1971, 2.; 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:
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 |
---|---|---|---|
8.2 ± 0.2 | EI | Gaivoronskii, Gavrishchuk, et al., 1978 | LLK |
8.2 ± 0.2 | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
7.7 ± 0.1 | EI | Muller, 1969 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H5Pr+ | 17.0 ± 0.4 | 2C5H5 | EI | Gaivoronskii, Gavrishchuk, et al., 1978 | LLK |
C5H5Pr+ | 17. ± 0.4 | ? | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
C5H5Pr+ | 17.0 ± 0.4 | ? | EI | Muller, 1969 | RDSH |
C10H10Pr+ | 10.0 ± 0.2 | C5H5 | EI | Gaivoronskii, Gavrishchuk, et al., 1978 | LLK |
C10H10Pr+ | 10. ± 0.2 | ? | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
C10H10Pr+ | 8.5 ± 0.2 | ? | EI | Muller, 1969 | RDSH |
Pr+ | 24.1 ± 0.4 | ? | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
References
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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]
Devyatykh, Rabinovich, et al., 1974
Devyatykh, C.G.; Rabinovich, I.B.; Tel'noi, V.I.; Borisov, G.K.; Zyazina, L.F.,
Dokl. Akad. Nauk SSSR, 1974, 217, 609. [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]
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]
Devyatykh, Rabinovitch, et al., 1974
Devyatykh, C.G.; Rabinovitch, I.B.; Tel'noi, V.I.; Borisov, G.K.; Zyazina, L.F.,
Dokl. Akad. Nauk SSSR, 1974, 217, 673. [all data]
Devyatykh, Borisov, et al., 1973
Devyatykh, G.G.; Borisov, G.K.; Zyuzina, L.F.; Krasnova, S.G.,
Dokl. Akad. Nauk SSSR, 1973, 212, 1, 127. [all data]
Borisov, Krasnova, et al., 1973
Borisov, G.K.; Krasnova, S.G.; Devyatykh, G.G.,
Russ. J. Phys. Chem., 1973, 18, 346. [all data]
Haug, 1971
Haug, H.O.,
Ges. Kernforsch m.b.H. [Rep.] KFK-1283, 1971, 23. [all data]
Haug, 1971, 2
Haug, H.O.,
Dampfdruckmessungen von cyclopentadienylkomplexen des urans und einiger lanthaniden nach der effusionsmethode,
Journal of Organometallic Chemistry, 1971, 30, 1, 53-57, https://doi.org/10.1016/S0022-328X(00)82595-4
. [all data]
Gaivoronskii, Gavrishchuk, et al., 1978
Gaivoronskii, P.E.; Gavrishchuk, E.M.; Chernyaev, N.P.; Zverev, Y.B.,
Mass spectrometric study of tris(isopropylcyclopentadienyl) π- complexes of lanthanum, praseodymium, and neodymium,
Russ. J. Inorg. Chem., 1978, 23, 1742. [all data]
Devyatykh, Krasnova, et al., 1970
Devyatykh, G.G.; Krasnova, S.G.; Borisov, G.K.; Larin, N.V.; Gaivoronskii, P.E.,
Preparation and investigation by mass spectrometry of cyclopentadienyl 7r-complexes of lanthanum, praseodymium, and neodymium,
Dokl. Akad. Nauk SSSR, 1970, 193, 1069, In original 580. [all data]
Muller, 1969
Muller, J.,
Massenspektroskopische Untersuchungen an Tri- und Tetracyclopentadienyl-metall-Komplexen,
Chem. Ber., 1969, 102, 152. [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°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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