silver bromide
- Formula: AgBr
- Molecular weight: 187.772
- CAS Registry Number: 7785-23-1
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Gas phase ion energetics data
Go To: Top, 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
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.1 ± 0.1 | EI | Bernauer and Weil, 1974 | LLK |
| 9.5 ± 0.3 | EI | Visnapuu and Marek, 1971 | LLK |
| 9.59 | PE | Berkowitz, Batson, et al., 1980 | Vertical value; LLK |
Constants of diatomic molecules
Go To: Top, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fragments of a band system at 24000 cm-1, in absorption. | ||||||||||||
| ↳Metropolis and Beutler, 1939 | ||||||||||||
| C | 43537.4 | 205.0 H | 0.74 | C ← X R | 43516.0 H | |||||||
| ↳Barrow and Mulcahy, 1948 | ||||||||||||
| Continuous absorption 29800 - 32300 cm-1, maximum at 31400 cm-1. | ||||||||||||
| ↳Brice, 1931; Davidovits and Bellisio, 1969 | ||||||||||||
| B (0+) | 31280.43 | 180.8 H | 4.45 | -0.060 | B ↔ X R | 31246.02 H | ||||||
| ↳missing citation; Mulliken, 1937 | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| X 1Σ+ | 0 | 247.72 H | 0.6795 | 0.0634073 | 0.00022822 | 1.60E-07 | 0.000000017 | 2.39309 | ||||
| ↳Krisher and Norris, 1966; Hoeft, Lovas, et al., 1971 | ||||||||||||
Notes
| 1 | Thermochemical value Brewer and Lofgren, 1950, Barrow, 1954. |
| 2 | Hoeft, Lovas, et al., 1971 give constants for 107Ag79Br. |
| 3 | For values of eqQ(79Br, 81Br) see Krisher and Norris, 1966, Hoeft, Lovas, et al., 1971 |
References
Go To: Top, 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.
Bernauer and Weil, 1974
Bernauer, O.; Weil, K.G.,
Massenspektrometrische untersuchungen an silberhalogeniden. III: Silberbromid und silberjodid,
Ber. Bunsen-Ges. Phys. Chem., 1974, 12, 1339. [all data]
Visnapuu and Marek, 1971
Visnapuu, A.; Marek, B.C.,
Properties of silver bromide vapors,
J. Less-Common Met., 1971, 25, 89. [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]
Metropolis and Beutler, 1939
Metropolis, N.; Beutler, H.,
Additional band systems of silver halide vapors and a new thermodynamical calculation of their dissociation energies,
Phys. Rev., 1939, 55, 1113. [all data]
Barrow and Mulcahy, 1948
Barrow, R.F.; Mulcahy, M.F.R.,
Excited States of Silver Bromide and Iodide,
Nature (London), 1948, 162, 4113, 336-337. [all data]
Brice, 1931
Brice, B.A.,
Absorption band spectra of silver bromide and silver iodide vapors,
Phys. Rev., 1931, 38, 658. [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]
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]
Krisher and Norris, 1966
Krisher, L.C.; Norris, W.G.,
Microwave spectrum of silver bromide,
J. Chem. Phys., 1966, 44, 974. [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]
Brewer and Lofgren, 1950
Brewer, L.; Lofgren, N.L.,
The thermodynamics of gaseous cuprous chloride, monomer and trimer,
J. Am. Chem. Soc., 1950, 72, 3038. [all data]
Barrow, 1954
Barrow, R.F.,
Maxima in the potential energy-distance functions of diatomic molecules,
J. Chem. Phys., 1954, 22, 573. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, References
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