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Silver dimer


Gas phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess

View reactions leading to Ag2+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)7.6557 ± 0.0005eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
1.100 ± 0.050LPESHandschuh, Cha, et al., 1995Stated electron affinity is the Vertical Detachment Energy; B
1.35 ± 0.20LPESTaylor, Pettiettehall, et al., 1992EA set as 0.2 eV above onset to correct for unresolved hot bands.; B
1.00 ± 0.20LPESGanteför, Gausa, et al., 1990B
1.060 ± 0.020LPESHo, Ervin, et al., 1990Stated electron affinity is the Vertical Detachment Energy; B

Ionization energy determinations

IE (eV) Method Reference Comment
7.6557EVALWinstead, Paukstis, et al., 1995LL
7.6557 ± 0.0005LSBeutel, Kramer, et al., 1993LL
7.60EIJackschath, Rabin, et al., 1992LL
7.3 ± 0.1EIFranzreb, Wucher, et al., 1990LL
8.0 ± 1.0EIPiacente and Gingerich, 1972LLK
7.4 ± 0.8EICocke and Gingerich, 1972LLK
6.4 ± 0.7EICocke and Gingerich, 1971LLK
7.35 ± 0.05EICabaud, Uzan, et al., 1971LLK

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

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, 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.

Handschuh, Cha, et al., 1995
Handschuh, H.; Cha, C.Y.; Bechthold, P.S.; Gantefor, G.; Eberhardt, W., Electronic shells or molecular orbitals: Photoelectron spectra of Ag-n(-) clusters, J. Chem. Phys., 1995, 102, 16, 6406, https://doi.org/10.1063/1.469356 . [all data]

Taylor, Pettiettehall, et al., 1992
Taylor, K.J.; Pettiettehall, C.L.; Cheshnovsky, O.; Smalley, R.E., Ultraviolet Photoelectron Spectra of Coinage Metal Clusters, J. Chem. Phys., 1992, 96, 4, 3319, https://doi.org/10.1063/1.461927 . [all data]

Ganteför, Gausa, et al., 1990
Ganteför, G.; Gausa, M.; Meiwes-Broer, K.-H.; Lutz, H.O., Photoelectron Spectroscopy of Silver and Palladium Cluster Anions, J. Chem. Soc. Farad. Trans., 1990, 86, 13, 2483, https://doi.org/10.1039/ft9908602483 . [all data]

Ho, Ervin, et al., 1990
Ho, J.; Ervin, K.M.; Lineberger, W.C., Photoelectron Spectroscopy of Metal Cluster Anions - Cun-, Agn-, and Aun-, J. Chem. Phys., 1990, 93, 10, 6987, https://doi.org/10.1063/1.459475 . [all data]

Winstead, Paukstis, et al., 1995
Winstead, C.B.; Paukstis, S.J.; Gole, J.L., What is the ionization potential of silicon dimer?, Chem. Phys. Lett., 1995, 237, 81. [all data]

Beutel, Kramer, et al., 1993
Beutel, V.; Kramer, H.-G.; Bhale, G.L.; Kuhn, M.; Weyers, K.; Demtroder, W., High-resolution isotope selective laser spectroscopy of Ag2 molecules, J. Chem. Phys., 1993, 98, 2699. [all data]

Jackschath, Rabin, et al., 1992
Jackschath, C.; Rabin, I.; Schulze, W., Electron impact ionization of silver clusters Agn, n<36, Z. Phys. D, 1992, 22, 517. [all data]

Franzreb, Wucher, et al., 1990
Franzreb, K.; Wucher, A.; Oechsner, H., Electron impact ionization of small silver and copper clusters, Z. Phys. D, 1990, 17, 51. [all data]

Piacente and Gingerich, 1972
Piacente, V.; Gingerich, K.A., Thermodynamic study of the molecule NaAg with a mass spectrometer, High Temp. Sci., 1972, 4, 312. [all data]

Cocke and Gingerich, 1972
Cocke, D.L.; Gingerich, K.A., Mass spectrometric determination of the bond dissociation energies of the molecules CePd and CeC2, J. Phys. Chem., 1972, 76, 2332. [all data]

Cocke and Gingerich, 1971
Cocke, D.L.; Gingerich, K.A., Mass spectrometric determination of the dissociation energies of the molecules Ho2, HoAg, and HoAu, J. Phys. Chem., 1971, 75, 3264. [all data]

Cabaud, Uzan, et al., 1971
Cabaud, B.; Uzan, R.; Nounou, P., Etude des processus d'ionisation a haute temperature des vapeurs metalliques par couplage d'une cellule de Knudsen et d'une source Fox. I. Interpretation des processus d'ionisation de Ag et influence de la temperature sur les courbes d'efficacite d'ionisation,., Int. J. Mass Spectrom. Ion Phys., 1971, 6, 89. [all data]

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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