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:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, 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: 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° | -18.6 ± 0.1 | kcal/mol | RSC | Finch, Gardner, et al., 1991 |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Constants of diatomic molecules, 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
View reactions leading to AgCl+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 11.3 ± 0.5 | EI | Wagner and Grimley, 1972 | LLK |
| 10.8 ± 0.4 | EI | Graber and Weil, 1972 | LLK |
| 10.3 ± 0.4 | EI | Visnapuu and Jensen, 1970 | RDSH |
| 10.5 ± 0.3 | EI | Hildenbrand, 1970 | RDSH |
| 10.08 | PE | Berkowitz, Batson, et al., 1980 | Vertical value; LLK |
| 10.14 | PE | Berkowitz, Batson, et al., 1980 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Ag+ | 11.1 ± 0.3 | ? | EI | Graber and Weil, 1972 | LLK |
| Ag+ | 11.0 ± 0.4 | Cl | EI | Visnapuu and Jensen, 1970 | RDSH |
Constants of diatomic molecules
Go To: Top, Reaction thermochemistry 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: 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, Reaction thermochemistry data, Gas phase ion energetics 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.
Finch, Gardner, et al., 1991
Finch, A.; Gardner, P.J.; Head, A.J.; Majdi, H.S.,
Thermochim. Acta, 1991, 180, 325. [all data]
Wagner and Grimley, 1972
Wagner, L.C.; Grimley, R.T.,
A study of ionization processes by the angular distribution technique. The AgCl system,
J. Phys. Chem., 1972, 76, 2819. [all data]
Graber and Weil, 1972
Graber, P.; Weil, K.G.,
Mass spectrometric investigations of silver halides I: mass spectrum, appearance potentials, fragmentation scheme of silver chloride,
Ber. Bunsen-Ges. Phys. Chem., 1972, 76, 410. [all data]
Visnapuu and Jensen, 1970
Visnapuu, A.; Jensen, J.W.,
Composition and properties of vapors over molten silver chloride,
J.Less-Common Metals, 1970, 20, 141. [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]
Berkowitz, Batson, et al., 1980
Berkowitz, J.; Batson, C.H.; Goodman, G.L.,
Photoelectron spectroscopy of AgCl, AgBr, and AgI vapors,
J. Chem. Phys., 1980, 72, 5829. [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]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Constants of diatomic molecules, References
- Symbols used in this document:
AE Appearance energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.