CdF
- Formula: CdF
- Molecular weight: 131.409
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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 November, 1974
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 | ![]() | ![]() | ![]() | Be | ![]() | ![]() | De | ![]() | re | Trans. | ![]() |
---|---|---|---|---|---|---|---|---|---|---|---|---|
"Bands" found in emission in the same region Pearse and Gaydon, 1938 Howell, 1944 have been shown by Pearse and Feast, 1949 to be peculiar Cd lines. | ||||||||||||
Narrow continuum at 35400 cm-1, and unclassified bands in absorption at 35855, 35877, and 35897 cm-1. | ||||||||||||
E (2![]() | (34200) | (535) H | E ![]() | |||||||||
↳Fowler, 1942 | ||||||||||||
X (2![]() | 0 | (535) H |
Notes
1 | Rather diffuse heads. |
2 | Estimated thermochemical value Besenbruch, Kana'an, et al., 1965. |
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.
Pearse and Gaydon, 1938
Pearse, R.W.B.; Gaydon, A.G.,
A note on the spectrum of cadmium fluoride, CdF,
Proc. Phys. Soc. London, 1938, 50, 711. [all data]
Howell, 1944
Howell, H.G.,
The ultra-violet spectra and electron configuration of HgF and related halide molecules,
Proc. R. Soc. London A, 1944, 182, 95. [all data]
Pearse and Feast, 1949
Pearse, R.W.B.; Feast, M.W.,
Emission spectrum attributed to cadmium fluoride,
Nature (London), 1949, 163, 686. [all data]
Fowler, 1942
Fowler, C.A., Jr.,
The absorption spectra of CdF and SnCl,
Phys. Rev., 1942, 62, 141. [all data]
Besenbruch, Kana'an, et al., 1965
Besenbruch, G.; Kana'an, A.S.; Margrave, J.L.,
Knudsen and Langmuir measurments of the sublimation pressure of cadmium(II) fluoride,
J. Phys. Chem., 1965, 69, 3174. [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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