Aluminum, compound with selenium (1:1)
- Formula: AlSe
- Molecular weight: 105.94
- CAS Registry Number: 23330-87-2
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Gas phase ion energetics data
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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 as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.3 ± 0.5 | EI | Ficalora, Hastie, et al., 1968 | RDSH |
Constants of diatomic molecules
Go To: Top, Gas phase ion energetics data, 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 December, 1975
Symbol | Meaning |
---|---|
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) |
State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
A (2Σ) | 23183.5 | 389.8 H | 1.23 | A ↔ X R | 23144.8 H | |||||||
↳Singh, Tewari, et al., 1969 | ||||||||||||
X (2Σ) | 0 | 467.6 H | 2.08 |
Notes
1 | Thermochemical value (mass-spectrom.) Ficalora, Hastie, et al., 1968, Uy and Drowart, 1971. |
References
Go To: Top, Gas phase ion energetics data, 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.
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]
Singh, Tewari, et al., 1969
Singh, J.; Tewari, D.P.; Mohan, H.,
Thermal Emission Spectrum of a New Diatom - AlSe,
J. Phys. B:, 1969, 2, 627-628. [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
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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