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AsS


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 February, 1976

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 75As32S
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Unclassified bands, most of them red-degreaded, in the region 26000 - 31000 cm-1.
Shimauchi, 1969
A2' 2Pi1/2 20474.9 [399.84] Z   0.14871 1 0.00073  8.1E-08 2  2.2496 A2' rarrow X1 R 20392.13 Z
missing citation
A1' 2Pi3/2 x + 19263.28 405.58 Z 1.11  0.14859 0.00069 0.000005 8.0E-08 2   A1' rarrow X2 R 19183.22 Z
missing citation; missing citation; missing citation
X2 2Pi3/2 x 566.13 Z 1.96 -0.0031 0.18492 0.00083  0.000000079 2  2.0174  
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
X1 2Pi1/2 0 567.94 Z 1.97  0.18476 1 0.00082  0.000000078 2    

Notes

1Lambda-type splitting in the 2Pi 1/2 - 2Pi 1/2 subbands Deltanu ~ 0.037(J+1/2).
2Values of 4Be3/omegae2, in satisfactory agreement with experimental values.

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.

Shimauchi, 1969
Shimauchi, M., The emission spectra of the AsS and AsS+ radicals, Sci. Light (Tokyo), 1969, 18, 90. [all data]


Notes

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