silver bromide

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Constants of diatomic molecules

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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: Klaus P. Huber and Gerhard H. Herzberg

Data collected through October, 1974

Symbols used in the table of constants
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)
Diatomic constants for 109Ag81Br
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
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


1Thermochemical value Brewer and Lofgren, 1950, Barrow, 1954.
2 Hoeft, Lovas, et al., 1971 give constants for 107Ag79Br.
3For values of eqQ(79Br, 81Br) see Krisher and Norris, 1966, Hoeft, Lovas, et al., 1971


Go To: Top, 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.

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]


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