mercury fluoride
- Formula: FHg
- Molecular weight: 219.59
- CAS Registry Number: 27575-47-9
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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 January, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E | 46770.6 | 587.6 H | 10.1 | E → X 1 R | 46818.4 H | |||||||
| ↳missing citation | ||||||||||||
| D (2Π3/2) | 42999.6 | 469.4 2 HQ | 10.05 2 | D → X V | 42987.4 HQ | |||||||
| ↳missing citation | ||||||||||||
| C (2Π1/2) | (39044) | (506) H | C → X V | 39053 H | ||||||||
| ↳missing citation | ||||||||||||
| X 2Σ+ | 0 | 490.8 3 HQ | 4.05 | |||||||||
Notes
| 1 | Close double heads. |
| 2 | Above v=4: ωe = 410, ωexe = 1.5. |
| 3 | From D-X. |
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.
No reference data available.
Notes
Go To: Top, Constants of diatomic molecules, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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