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Aluminum sulfide


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 December, 1975

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 27Al32S
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
C 2Sigma+ (35797) [430.0] H (14)  0.2402 1 0.0036  0.00000031  2.190 C larrow X R 35714.9
Maltsev, Shevelkov, et al., 1966
B (2Pi) (30104) [530] 2         B larrow X R 30061 H
Maltsev, Shevelkov, et al., 1966; Kronekvist and Lagerqvist, 1969
(29986) [530] 2         B larrow X R 29943 H
Maltsev, Shevelkov, et al., 1966; Kronekvist and Lagerqvist, 1969
A 2Sigma+ 23433.80 510.91 Z 1.45  0.2461 3 4 0.0012  0.00000021  2.164 A lrarrow X R 23381.16 Z
missing citation; Maltsev, Shevelkov, et al., 1966; Kronekvist and Lagerqvist, 1969; missing citation
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
X 2Sigma+ 0 617.12 Z 3.33  0.2799 5 0.0018  0.00000022  2.029  

Notes

1Predissociation for v geq 2.
2Strong perturbations.
3Spin splitting constant gamma0 ~ -0.0055 Lavendy, Mahieu, et al., 1973.
4Small perturbations Kronekvist and Lagerqvist, 1969, Lavendy, Mahieu, et al., 1973.
5Spin splitting constant gamma0 ~ +0.0045 Lavendy, Mahieu, et al., 1973.
6Thermochemical value (mass-spectrom.) Ficalora, Hastie, et al., 1968, Uy and Drowart, 1971.

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.

Maltsev, Shevelkov, et al., 1966
Maltsev, A.A.; Shevelkov, V.F.; Krupnikov, E.D., New band systems of the AlS molecule, Opt. Spectrosc. Engl. Transl., 1966, 2, 4, In original 7. [all data]

Kronekvist and Lagerqvist, 1969
Kronekvist, M.; Lagerqvist, A., The spectrum of AlS, Ark. Fys., 1969, 39, 133. [all data]

Lavendy, Mahieu, et al., 1973
Lavendy, H.; Mahieu, J.M.; Becart, M., Etude de la transition A2«SIGMA»+-X2«SIGMA»+ du radical Al-S, Can. J. Spectrosc., 1973, 18, 13. [all data]

Ficalora, Hastie, et al., 1968
Ficalora, P.J.; Hastie, J.W.; Margrave, J.L., Mass spectrometric studies at high temperatures. XXVII. The reactions of aluminum vapor with S2(g), Se2(g), and Te2(g), J. Phys. Chem., 1968, 72, 1660. [all data]

Uy and Drowart, 1971
Uy, O.M.; Drowart, J., Determination by the mass spectrometric Knudsen cell method of the atomization energies of the gaseous aluminium chalcogenides, Al2, AlCu, AlCuS, and AlCuS2, Trans. Faraday Soc., 1971, 67, 1293. [all data]


Notes

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