Aluminum monoiodide
- Formula: AlI
- Molecular weight: 153.88601
- CAS Registry Number: 29977-41-1
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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
| 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 1Π 2 | A ← X | 31487 1 | ||||||||||
| ↳missing citation | ||||||||||||
| a 3Π1 | 22089.5 | 333.4 H | 2.0 | a ↔ X V | 22097.9 H | |||||||
| ↳missing citation | ||||||||||||
| a 3Π0 | 21889.3 | 337.2 H | 2.0 | a ↔ X VR | 21899.6 H | |||||||
| ↳missing citation | ||||||||||||
| X 1Σ+ | 0 | 316.1 H | 1.0 | 0.11769985 | 0.000558586 3 | 4 | 2.537102 | |||||
| ↳Wyse and Gordy, 1972 | ||||||||||||
Notes
| 1 | Vertical transition from v"= 0. |
| 2 | Unstable; diffuse fluctuation bands with various v". |
| 3 | αv= +1.0477E-6(v+1/2)2 - 2.46E-9(v+1/2)3 |
| 4 | Dv = [6.5212 - 0.00957(v+1/2)]E-8; He = -4.590E-15. |
| 5 | From the analysis of fluctuation bands Barrow, 1960. |
| 6 | Values of eqQv = (v=0...3) in Torring, Tiemann, et al., 1973. |
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.
Wyse and Gordy, 1972
Wyse, F.C.; Gordy, W.,
Millimeter wave rotational spectra of AlCl, AlBr, and AlI,
J. Chem. Phys., 1972, 56, 2130. [all data]
Barrow, 1960
Barrow, R.F.,
Dissociation energies of the gaseous monohalides of boron, aluminium, gallium, indium, and thallium,
Trans. Faraday Soc., 1960, 56, 952. [all data]
Torring, Tiemann, et al., 1973
Torring, T.; Tiemann, E.; Hoeft, J.,
Hyperfeinstruktur von AlJ,
Z. Naturforsch. A, 1973, 28, 1062. [all data]
Notes
Go To: Top, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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