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HF-


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, 1977

Symbols used in the table of constants
SymbolMeaning
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)
Diatomic constants for H19F-
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 2Pi  [2860] 1          103440 2
Spence and Noguchi, 1975
X 2Sigma+Ab initio calculations Bondybey, Pearson, et al., 1972 predict this state to be entirely repulsive.

Notes

1Progression of four resonances (due to inverse preionization) in the electron transmission current. The 2Pi state is derived from its "grandparent" X 2Pii of HF+ by the addition of a pair of 3ssigma Rydberg electrons.
2Energy relative to HF, X 1Sigma+ (v=0).

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Spence and Noguchi, 1975
Spence, D.; Noguchi, T., Feshbach resonances associated with Rydberg states of the hydrogen halides, J. Chem. Phys., 1975, 63, 505. [all data]

Bondybey, Pearson, et al., 1972
Bondybey, V.; Pearson, P.K.; Schaefer, H.F., III, Theoretical potential energy curves for OH, HF+, HF, HF-, NeH+, and NeH, J. Chem. Phys., 1972, 57, 1123. [all data]


Notes

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