tris(η5-cyclopenta-2,4-dien-1-yl)lanthanum
- Formula: C15H15La
- Molecular weight: 334.1851
- CAS Registry Number: 1272-23-7
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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° | 27.39 ± 0.96 | kcal/mol | N/A | Pilcher and Skinner, 1983 | See also Devyatykh, Rabinovitch, et al., 1974.; AC |
ΔsubH° | 27.39 ± 0.96 | kcal/mol | CC-SB | Devyatykh, Borisov, et al., 1972 | MS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
24.40 ± 0.69 | 548. to 663. | Borisov, Krasnova, et al., 1973 | AC |
Gas phase ion energetics data
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 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 |
---|---|---|---|
7.9 ± 0.3 | EI | Gaivoronskii, Gavrishchuk, et al., 1978 | LLK |
7.9 ± 0.3 | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H5La+ | 17.3 ± 0.3 | 2C5H5 | EI | Gaivoronskii, Gavrishchuk, et al., 1978 | LLK |
C5H5La+ | 17.3 ± 0.3 | ? | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
C10H10La+ | 10.2 ± 0.3 | C5H5 | EI | Gaivoronskii, Gavrishchuk, et al., 1978 | LLK |
C10H10La+ | 10.2 ± 0.3 | ? | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
La+ | 24.4 ± 0.4 | ? | EI | Devyatykh, Krasnova, et al., 1970 | RDSH |
References
Go To: Top, 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.
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., 1972
Devyatykh, C.G.; Borisov, G.K.; Krasnova, S.G.,
Dokl. Akad. Nauk SSSR, 1972, 203, 110. [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]
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]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy 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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