Ytterbium monochloride
- Formula: ClYb
- Molecular weight: 208.507
- CAS Registry Number: 13943-41-4
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B (2Σ) 2 | 19928.0 | 315.0 H | 2.0 1 | B → X V | 19939.1 H | |||||||
| ↳Gatterer, Piccardi, et al., 1942 | ||||||||||||
| A2 (2Π) 2 | 19369.3 | 314.6 H | 1.38 | A2 → X V | 19380.0 H | |||||||
| ↳missing citation | ||||||||||||
| A1 (2Π) 2 | 17882.0 3 | 314.4 H | 1.12 | .0072 | A1 → X V | 17892.1 H | ||||||
| ↳missing citation | ||||||||||||
| X (2Σ) | 0 2 | 293.6 4 H | 1.23 4 | |||||||||
Notes
| 1 | (fragment only) |
| 2 | Uncertain. The D values from the rotational analysis are approximately twice as large as the values calculated from D = 4B3/ω2. |
| 3 | Not certain that this is the ground state. |
| 4 | missing note |
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.
Gatterer, Piccardi, et al., 1942
Gatterer, A.; Piccardi, G.; Vincenzi, Fr.,
Uber zwei bandenspektren des ytterbiums,
Ric. Spettrosc. Lab. Astrofis. Specola Vaticana, 1942, 1, 181. [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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