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Silver dimer


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
SymbolMeaning
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 (107,109)Ag2
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
E 40159.1 146.08 H 1.54        E larrow X R 40135.7 H
Ruamps, 1959; Maheshwari, 1963; Shin-Piaw, Loong-Seng, et al., 1966
D 1Piu (1u) 39023.7 166.7 HR 1.134        D larrow X R 39010.7 HR
Ruamps, 1959; Shin-Piaw, Loong-Seng, et al., 1966
C 1Piu (1u) 37626.9 172.9 HQ 1.07        C larrow X R 37617 HQ
Ruamps, 1959; Maheshwari, 1963; Shin-Piaw, Loong-Seng, et al., 1966
B 35827.3 151.3 H 0.7        B larrow X R 35806.7 H
Ruamps, 1959; Shin-Piaw, Loong-Seng, et al., 1966
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 22996.4 154.6 H 0.587 0.0023       A larrow X R 22977.5 H
Ruamps, 1954; missing citation; Ruamps, 1959
X 1Sigmag+ 0 192.4 H 0.643 0.0003        

Notes

1Thermochemical value (mass-spectrom.) Drowart and Honig, 1956, Schissel, 1957, Ackerman, Stafford, et al., 1960; recalculated Smoes, Mandy, et al., 1972.
2Q head at 38995.6 cm-1.
3R head at 37628.2 cm-1
4Constants for 107Ag109Ag; omegaeye(A) +0.0023, omegaeye(X) +0.0003.

References

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.

Ruamps, 1959
Ruamps, P.J., Production et etude du spectre optique de molecules diatomiques de metaux et contribution au calcul theorique des intensites, Ann. Phys. (Paris), 1959, 4, 1111. [all data]

Maheshwari, 1963
Maheshwari, R.C., New band systems of Ag2 molecule in the far ultra-violet region, Indian J. Phys., 1963, 37, 368. [all data]

Shin-Piaw, Loong-Seng, et al., 1966
Shin-Piaw, C.; Loong-Seng, W.; Yoke-Seng, L., Emission band systems of Ag2 produced in discharge, Nature (London), 1966, 209, 1300. [all data]

Ruamps, 1954
Ruamps, J., Spectre d'emission des molecules Cu2, Ag2, et Au2, Compt. Rend., 1954, 238, 1489. [all data]

Drowart and Honig, 1956
Drowart, J.; Honig, R.E., Mass spectrometric study of copper, silver, and gold, J. Chem. Phys., 1956, 25, 581. [all data]

Schissel, 1957
Schissel, P., Dissociation energies of Cu2, Ag2, and Au2, J. Chem. Phys., 1957, 26, 1276. [all data]

Ackerman, Stafford, et al., 1960
Ackerman, M.; Stafford, F.E.; Drowart, J., Mass spectrometric determination of the dissociation energies of the molecules AgAu, AgCu, and AuCu, J. Chem. Phys., 1960, 33, 1784. [all data]

Smoes, Mandy, et al., 1972
Smoes, S.; Mandy, F.; Vander Auwera-Mahieu, A.; Drowart, J., Determination by the mass spectrometric Knudsen cell method of the dissociation energies of the group IB chalcogenides, Bull. Soc. Chim. Belg., 1972, 81, 45. [all data]


Notes

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