Zirconium iodide
- Formula: IZr
- Molecular weight: 218.128
- CAS Registry Number: 14728-76-8
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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 July, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Groups of unclassified emission bands in the region 24800 - 26000 cm-1. | ||||||||||||
| ↳Sivaji and Rao, 1970 | ||||||||||||
| System B: 1 | R | 25416.6 H | ||||||||||
| ↳missing citation | ||||||||||||
| System B: | R | 25276.6 H | ||||||||||
| ↳missing citation | ||||||||||||
| R | 25117.2 H | |||||||||||
| ↳missing citation | ||||||||||||
| R | 24958.6 H | |||||||||||
| ↳missing citation | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| System C: 2 | R | 23564.8 H | ||||||||||
| ↳missing citation | ||||||||||||
| System C: | R | 23282.2 H | ||||||||||
| ↳missing citation | ||||||||||||
| R | 22995.4 H | |||||||||||
| ↳missing citation | ||||||||||||
| R | (22720) | |||||||||||
| ↳missing citation | ||||||||||||
Notes
| 1 | Four 0-0 sequences (ω'-ω" ~ -2) of line-like R shaded heads. |
| 2 | Four 0-0 sequences (ω'-ω" ~ +5) of line-like band heads. 4Π → 4Σ ? |
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.
Sivaji and Rao, 1970
Sivaji, Ch.; Rao, P.T.,
The band spectrum of ZrI,
Proc. R. Ir. Acad. Sect. A:, 1970, 70, 7-11. [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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