Silver chloride
- Formula: AgCl
- Molecular weight: 143.321
- IUPAC Standard InChI: InChI=1S/Ag.ClH/h;1H/q+1;/p-1
- IUPAC Standard InChIKey: HKZLPVFGJNLROG-UHFFFAOYSA-M
- CAS Registry Number: 7783-90-6
- Chemical structure:
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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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -127.01 ± 0.05 | kJ/mol | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 96.25 ± 0.20 | J/mol*K | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
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.
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 |
|---|---|---|---|---|---|
| 1185. to 1837. | 4.95155 | 8775.98 | -62.718 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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: José A. Martinho Simões
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C2Ag2 (cr) + 2( • 12.3
) (solution) =
(aq) + 2
(cr)
By formula: C2Ag2 (cr) + 2(HCl • 12.3H2O) (solution) = C2H2 (aq) + 2AgCl (cr)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -77.8 ± 0.6 | kJ/mol | RSC | Finch, Gardner, et al., 1991 |
Constants of diatomic molecules
Go To: Top, Condensed phase thermochemistry data, Phase change data, 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 by: Klaus P. Huber and Gerhard H. Herzberg
Data collected through October, 1974
| Symbol | Meaning |
|---|---|
| State | electronic state and / or symmetry symbol |
| Te | minimum electronic energy (cm-1) |
| ωe | vibrational constant – first term (cm-1) |
| ωexe | vibrational constant – second term (cm-1) |
| ωeye | vibrational constant – third term (cm-1) |
| Be | rotational constant in equilibrium position (cm-1) |
| αe | rotational constant – first term (cm-1) |
| γe | rotation-vibration interaction constant (cm-1) |
| De | centrifugal distortion constant (cm-1) |
| βe | rotational constant – first term, centrifugal force (cm-1) |
| re | internuclear distance (Å) |
| Trans. | observed transition(s) corresponding to electronic state |
| ν00 | position of 0-0 band (units noted in table) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | (48800) | (290) 1 | D ← X R | |||||||||
| ↳Jenkins and Rochester, 1937 | ||||||||||||
| Continuous absorption above 47500 cm-1. | ||||||||||||
| ↳Jenkins and Rochester, 1937 | ||||||||||||
| C | 43525.7 | 294.1 H | 1.70 | C ← X R | 43500.9 2 H | |||||||
| ↳Jenkins and Rochester, 1937 | ||||||||||||
| B 0+ | 31602.65 | 278.36 Z | 4.047 3 | 0.119127 | 0.001492 4 | 9.40E-08 5 | 2.31742 | B ↔ X R | 31569.32 Z | |||
| ↳missing citation; Brice, 1931; Mulliken, 1937; Barrow, Morgan, et al., 1959; Clements and Barrow, 1967 | ||||||||||||
| Continuous absorption with maximum at 30300 cm-1. | ||||||||||||
| ↳Davidovits and Bellisio, 1969 | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| X 1Σ+ | 0 | 343.49 Z | 1.17 | 0.12298388 | 0.000595405 | 6.281E-07 | 6.3054E-8 6 | -1.8E-11 | 2.280792 7 | |||
| ↳Krisher and Norris, 1966; Pearson and Gordy, 1966; Hoeft, Lovas, et al., 1971 | ||||||||||||
Notes
| 1 | Fragments of two progressions. |
| 2 | 0-0 band not observed. |
| 3 | The vibrational levels converge rapidly above v=4. |
| 4 | αv= +[6.2(v+1/2)2 - 2.9(v+1/2)3]E-5 (for v ≤ 4). |
| 5 | Dv= -[0.0257(v+1/2)-0.467(v+1/2)2]E-8 (for v ≤ 4). |
| 6 | He = -0.97E-14 |
| 7 | Microwave sp. 9 |
| 8 | Thermochemical value Hildenbrand, 1970. |
| 9 | μel = 5.70 D Krisher and Norris, 1966. [ Krisher and Norris, 1966, criticised by Hoeft, Lovas, et al., 1971 for neglect of quadrupole hfs). For value of eqQ(35Cl) see Hoeft, Lovas, et al., 1971. |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Constants of diatomic molecules, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A.,
CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [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]
Finch, Gardner, et al., 1991
Finch, A.; Gardner, P.J.; Head, A.J.; Majdi, H.S.,
Thermochim. Acta, 1991, 180, 325. [all data]
Jenkins and Rochester, 1937
Jenkins, F.A.; Rochester, G.D.,
Extension of the spectrum of AgCl,
Phys. Rev., 1937, 52, 1141. [all data]
Brice, 1931
Brice, B.A.,
Absorption band spectra of silver bromide and silver iodide vapors,
Phys. Rev., 1931, 38, 658. [all data]
Mulliken, 1937
Mulliken, R.S.,
Low electronic states of simple heteropolar diatomic molecules: III. Hydrogen and univalent metal halides,
Phys. Rev., 1937, 51, 310. [all data]
Barrow, Morgan, et al., 1959
Barrow, R.F.; Morgan, E.; Wright, C.V.,
Internuclear distances in gaseous silver halides,
Proc. Chem. Soc. London, 1959, 303. [all data]
Clements and Barrow, 1967
Clements, R.M.; Barrow, R.F.,
Rotational analysis of bands of the B-X system of gaseous AgCl,
Trans. Faraday Soc., 1967, 63, 2876. [all data]
Davidovits and Bellisio, 1969
Davidovits, P.; Bellisio, J.A.,
Ultraviolet Absorption Cross Sections for the Thallium Halide and Silver Halide Vapors,
J. Chem. Phys., 1969, 50, 8, 3560-3567. [all data]
Krisher and Norris, 1966
Krisher, L.C.; Norris, W.G.,
Microwave spectrum of silver chloride,
J. Chem. Phys., 1966, 44, 391. [all data]
Pearson and Gordy, 1966
Pearson, E.; Gordy, W.,
Millimeter- and submillimeter-wave spectra and molecular constants of silver chloride,
Phys. Rev., 1966, 152, 42. [all data]
Hoeft, Lovas, et al., 1971
Hoeft, J.; Lovas, F.J.; Tiemann, F.; Torring, T.,
Die Mikrowellen-Rotationsspektren des AgCl, AgBr, and AgJ,
Z. Naturforsch. A, 1971, 26, 240. [all data]
Hildenbrand, 1970
Hildenbrand, D.L.,
Dissociation energies and chemical bonding in the alkaline-earth chlorides from mass spectrometric studies,
J. Chem. Phys., 1970, 52, 5751. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Constants of diatomic molecules, References
- Symbols used in this document:
S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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