Lead dichloride
- Formula: Cl2Pb
- Molecular weight: 278.1
- IUPAC Standard InChI: InChI=1S/2ClH.Pb/h2*1H;/q;;+2/p-2
- IUPAC Standard InChIKey: HWSZZLVAJGOAAY-UHFFFAOYSA-L
- CAS Registry Number: 7758-95-4
- Chemical structure:
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Phase change data
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 931. to 1154. | 4.42067 | 4564.909 | -194.347 | Barchuk and Dubovoi, 1973 | Coefficents calculated by NIST from author's data. |
| 820. to 1227. | 4.63732 | 4896.563 | -168.921 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, Phase change data, Vibrational and/or electronic energy levels, 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
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 |
|---|---|---|---|
| 10.2 | PE | Novak and Potts, 1984 | LBLHLM |
| 10.3 ± 0.1 | EI | Hastie, Bloom, et al., 1967 | RDSH |
| 11.2 ± 0.2 | EI | Bloom and Hastie, 1966 | RDSH |
| 10.34 | PE | Novak and Potts, 1984 | Vertical value; LBLHLM |
| 10.11 | PE | Berkowitz, 1972 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| PbCl+ | 10.7 ± 0.1 | Cl | EI | Hastie, Bloom, et al., 1967 | RDSH |
| PbCl+ | ~7.1 | Cl- | EI | Hastie, Bloom, et al., 1967 | RDSH |
| PbCl+ | 11.7 ± 0.2 | Cl | EI | Bloom and Hastie, 1966 | RDSH |
Vibrational and/or electronic energy levels
Go To: Top, Phase change data, Gas phase ion energetics 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: Takehiko Shimanouchi
Symmetry: C2ν Symmetry Number σ = 2
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | Sym str | 314 | C | 322 | solid solid | 314 p | gas | ||
| a1 | 2 | Bend | 99 | C | 99 p | gas | ||||
| b1 | 3 | Anti str | 299 | D | 299 | solid solid | 300 dp | solid solid | ||
Source: Shimanouchi, 1972
Notes
| p | Polarized |
| dp | Depolarized |
| C | 3~6 cm-1 uncertainty |
| D | 6~15 cm-1 uncertainty |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Barchuk and Dubovoi, 1973
Barchuk, V.T.; Dubovoi, P.G.,
Measurement of a Saturated Vapor Pressure Over Highly Volitile Salt Melts,
Ukr. Khim. Zh. (Russ. Ed.), 1973, 39, 8, 838-840. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Novak and Potts, 1984
Novak, I.; Potts, A.W.,
Ultraviolet photoelectron spectra of gas phase and condensed tin and lead dihalides (MX2, M = Sn, Pb X = Cl, Br, I),
J. Electron Spectrosc. Relat. Phenom., 1984, 33, 1. [all data]
Hastie, Bloom, et al., 1967
Hastie, J.W.; Bloom, H.; Morrison, J.D.,
Electronimpact studies of PbCl2, PbBr2, and PbClBr,
J. Chem. Phys., 1967, 47, 1580. [all data]
Bloom and Hastie, 1966
Bloom, H.; Hastie, J.W.,
Vapour phase composition above molten salt mixtures: a mass spectrometric study,
Australian J. Chem., 1966, 19, 1003. [all data]
Berkowitz, 1972
Berkowitz, J.,
Photoelectron spectroscopic studies with a cylindrical-mirror analyzer
in Electron Spectroscopy, ed. D.A. Shirley (North-Holland Pub. Co., Amsterdam), 1972. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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