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sodium oxide


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 March, 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 23Na16O
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
A (2Sigma) (1500) 1 (548) 1   (0.470) 1     (1.95) 1  
X (2Pi) 0 1 (526) 1   (0.425) 1     (2.05) 1  

Notes

1Theoretical results, average of two calculations O'Hare and Wahl, 1972, So and Richards, 1975. The relative term values of the two states are in qualitative agreement with deductions made from a magnetic deflection analysis of the reactive scattering of Na+NO2, see Herm and Herschbach, 1970.
2Thermochemical value [mass-spectrometry Hildenbrand and Murad, 1970, calorimetry O'Hare, 1972).
3From a merging-beam study of the reaction CO+(Na,C)NaO+ Rol, Entemann, et al., 1974. See also O'Hare and Wahl, 1972.

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.

O'Hare and Wahl, 1972
O'Hare, P.A.G.; Wahl, A.C., Thermochemical and theoretical investigations of the sodium-oxygen system. II. Properties of NaO and its ions from Hartree-Fock molecular orbital studies, J. Chem. Phys., 1972, 56, 4516. [all data]

So and Richards, 1975
So, S.P.; Richards, W.G., The electronic ground states of alkali monoxides, Chem. Phys. Lett., 1975, 32, 227. [all data]

Herm and Herschbach, 1970
Herm, R.R.; Herschbach, D.R., Molecular beam kinetics: reactions of alkali atoms with NO2 and CH3NO2, J. Chem. Phys., 1970, 52, 5783. [all data]

Hildenbrand and Murad, 1970
Hildenbrand, D.L.; Murad, E., Dissociation energy of NaO(g) and the heat of atomization of Na2O(g), J. Chem. Phys., 1970, 53, 3403. [all data]

O'Hare, 1972
O'Hare, P.A.G., Thermochemical and theoretical investigations of the sodium-oxygen system. I. The standard enthalpy of formation of sodium oxide (Na2O), J. Chem. Phys., 1972, 56, 4513. [all data]

Rol, Entemann, et al., 1974
Rol, P.K.; Entemann, E.A.; Wendell, K.L., Merging beams studies of Na, K, and Mg collisions with atmospheric ions, J. Chem. Phys., 1974, 61, 2050. [all data]


Notes

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