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

AuBe


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 197Au9Be
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
B 1/2 (2Pi1/2) 18945.98 628.95 Z 1 3.225 -0.0658 0.47944 2 0.00434  [0.00000109] 3  2.01991 B lrarrow X V 18956.68 Z
missing citation; Singh and Pathak, 1970
A 1/2 (2Sigma+) 17171.04 655.44 Z 1 3.595 -0.193 0.49264 4 0.00463  [0.00000109] 5  1.99266 A lrarrow X V 17194.88 Z
missing citation; Singh and Pathak, 1970
X 2Sigma+ 0 607.68 Z 1 3.53  0.46074 0.00400  [0.00000104] 6  2.06049  

Notes

1Using calculated head-origin separations.
2Average of the two Omega-type doubling components; Deltanufe(v=0)= -0.01895(J+1/2)+...
3missing note
4Average of the two Omega-type doubling components; Deltanufe(v=0)= +0.l0579(J+1/2)+...
5H0= -11.1E-13
6H0= -5.4E-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.

Singh and Pathak, 1970
Singh, P.D.; Pathak, A.N., Potential energy curves and bond strength of AuBe, J. Quant. Spectrosc. Radiat. Transfer, 1970, 10, 819. [all data]


Notes

Go To: Top, Constants of diatomic molecules, References