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AuCu


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 November, 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 197Au63Cu
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Unclassified R shaded bands in the region 16900 - 19600 cm-1.
Ruamps, 1954
D (23699) (182) H         D rarrow X R (23665) H
Ruamps, 1954
C (22176) (231) H         C rarrow X R (22167) H
Ruamps, 1954
B (20655) (250) 1 H         B rarrow X R 20655.4 H
Ruamps, 1954
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A (20241) [195.7] 2 H         A rarrow X R 20214 H
Ruamps, 1954
X 0 250 H 0.7         

Notes

1Perturbations.
2Perturbations; irregular vibrational intervals.
3Thermochemical value (mass-spectrom.) Ackerman, Stafford, et al., 1960.

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, 1954
Ruamps, J., Spectre d'emission de la molecule CuAu, Compt. Rend., 1954, 239, 1200. [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]


Notes

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