Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

AuMg


Constants of diatomic molecules

Go To: Top, 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 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 197Au24Mg
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Additional unidentified R shaded absorption bands in the region 38230 - 37580 cm-1.
Schiltz, 1960
D 1           D larrow X R 
Schiltz, 1960
C 31058 242 H 2 -0.1       C larrow X R 31025 H
Schiltz, 1960
B 1/2 (2Pi1/2) 19492.3 338.5 HQ 1.46 0.009 [0.14043] 2   [0.000000102] 3  [2.36952] B lrarrow X V 19507.52 Z
Ruamps, 1959; Barrow, Gissane, et al., 1964
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 1/2 (2Sigma+) 18392.7 341.7 H 3.3  [0.14201] 4   [0.000000106] 4  [2.3562] A lrarrow X V 18409.05 Z
missing citation; Barrow, Gissane, et al., 1964
X 2Sigma+ 0 307.9 H 1.1  0.13214 0.00073  [0.000000102] 5  2.4427  

Notes

1Six R shaded bands in the region 34230 - 32720 cm-1. No analysis.
2Average of the two Omega-type doubling components: Deltanufe(v=0) = -0.00393(J+1/2)+...
3H0= 1.54E-13
4Average of the two Omega-type doubling components: Deltanufe(v=0) = 0.02640(J+1/2)+...
5H0= +0.96E-13
6From band origins DeltaG(1/2) = 306.10.
7H0= +1.56E-13

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.

Schiltz, 1960
Schiltz, J., Spectre de bandes ultraviolet de la molecule Au Mg, Compt. Rend., 1960, 251, 682. [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]

Barrow, Gissane, et al., 1964
Barrow, R.F.; Gissane, W.J.M.; Travis, D.N., Electronic spectra of some gaseous diatomic compounds of gold, Nature (London), 1964, 201, 603. [all data]


Notes

Go To: Top, Constants of diatomic molecules, References