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aluminium nitride


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 December, 1975

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 27Al14N
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A 3Pii 1    [0.5811] 2 3   [0.00000139]  [1.7739] A rarrow X V 19727.37 Z
missing citation
(X) 3Pii 0 4 5 [746.93] Z   0.5730 2 0.0056  [0.00000136]  1.7864  

Notes

1A0 = -23.0
2All lines in the 3Pi2 - 3Pi2 and high J lines in the 3Pi0 - 3Pi1 subbands are broad (~0.15 cm-1), probably on account of unresolved nuclear hyperfine structure.
3Predissociation near J=48.
4A0 = -33.0, A1= -34.5.
5Not certain that this is the ground state.

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

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