europium dichloride
- Formula: Cl2Eu
- Molecular weight: 222.870
- CAS Registry Number: 13769-20-5
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Reaction 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: John E. Bartmess
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Individual Reactions
(CAS Reg. No. 150238-26-9 • 4294967295Cl2Eu) + Cl2Eu = CAS Reg. No. 150238-26-9
By formula: (CAS Reg. No. 150238-26-9 • 4294967295Cl2Eu) + Cl2Eu = CAS Reg. No. 150238-26-9
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 492. ± 33. | kJ/mol | TDAs | Kudin, Burdukovskaya, et al., 1993 | gas phase |
Gas phase ion energetics data
Go To: Top, Reaction 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.53 ± 0.27 | R-A | Kudin, Burdukovskaya, et al., 1993 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.91 ± 0.05 | EI | Sapegin, Baluev, et al., 1982 | LBLHLM |
10.5 ± 0.5 | EI | Hastie, Ficalora, et al., 1968 | RDSH |
9.92 ± 0.06 | PE | Lee, Potts, et al., 1982 | Vertical value; LBLHLM |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
EuCl+ | 10.24 ± 0.05 | Cl | EI | Sapegin, Baluev, et al., 1982 | LBLHLM |
EuCl+ | 10.3 ± 0.5 | Cl | EI | Hastie, Ficalora, et al., 1968 | RDSH |
Eu+ | 14.85 ± 0.06 | ? | EI | Sapegin, Baluev, et al., 1982 | LBLHLM |
Eu+ | 15.0 ± 0.5 | ? | EI | Hastie, Ficalora, et al., 1968 | RDSH |
References
Go To: Top, Reaction thermochemistry 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.
Kudin, Burdukovskaya, et al., 1993
Kudin, L.S.; Burdukovskaya, G.G.; Butman, M.F.; Krasnov, K.S.,
Mass-Spectrometric Determination of EuCl2-, EuCl3-, EuCl4- and Eu2Cl7- Gaseous Ion Formation Enthalpies,
Zh. Fiz. Khim. SSSR, 1993, 67, 645. [all data]
Sapegin, Baluev, et al., 1982
Sapegin, A.M.; Baluev, A.V.; Evdokimov, V.I.,
Mass-spectrometric determination of the thermochemical characteristics of europium dichloride,
Zh. Fiz. Khim., 1982, 56, 212. [all data]
Hastie, Ficalora, et al., 1968
Hastie, J.W.; Ficalora, P.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. XXV. Vapor composition over LaCl3, EuCl3 and LuCl3 and stabilities of the trichloride dimers,
J. Less-Common Metals, 1968, 14, 83. [all data]
Lee, Potts, et al., 1982
Lee, E.P.F.; Potts, A.W.; Bloor, J.E.,
HeI and HeII photoelectron spectra of lanthanide trichlorides in the vapour phase,
Proc. R. Soc. London A, 1982, 381, 373. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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