Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Na2+


Constants of diatomic molecules

Go To: Top, References, Notes

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 23Na2+
StateTeomegaeomegaexeomegaeyeBealphaegammaeDebetaereTrans.nu00
Theoretical calculations of excited state potential curves Bottcher, Allison, et al., 1971 Bardsley, Junker, et al., 1976 Cerjan, Docken, et al., 1976, oscillator strengths Kirby-Docken, Cerjan, et al., 1976.
X 2Sigmag+ 0 (126) 1   (0.117) 1     (3.54) 1  

Notes

1Theoretical calculations of Bardsley, Junker, et al., 1976; Cerjan, Docken, et al., 1976 predict re = 3.3 Angstroms Cerjan, Docken, et al., 1976 and omegae = 109.2 Kirby-Docken, Cerjan, et al., 1976, omegaexe = 0.21 Kirby-Docken, Cerjan, et al., 1976.
2From D00(Na2) + I.P.(Na) - I.P.(Na2); theoretical values are De0 = 1.02 eV Bardsley, Junker, et al., 1976 and D00= .980 eV Cerjan, Docken, et al., 1976.
3From D00(Na2) and the electron affinities of Na2 and Na.
4Estimated on theoretical grounds Bardsley, Junker, et al., 1976.

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.

Bottcher, Allison, et al., 1971
Bottcher, C.; Allison, A.C.; Dalgarno, A., Potential curves for Na2+ and resonance charge transfer cross sections, Chem. Phys. Lett., 1971, 11, 307. [all data]

Bardsley, Junker, et al., 1976
Bardsley, J.N.; Junker, B.R.; Norcross, D.W., Pseudopotential calculations for Na2+, Na and Na2-, Chem. Phys. Lett., 1976, 37, 502. [all data]

Cerjan, Docken, et al., 1976
Cerjan, C.J.; Docken, K.K.; Dalgarno, A., Potential curves and molecular properties of Na2+, Chem. Phys. Lett., 1976, 38, 401. [all data]

Kirby-Docken, Cerjan, et al., 1976
Kirby-Docken, K.; Cerjan, C.J.; Dalgarno, A., Oscillator strengths and photodissociation cross sections for Li2+ and Na2+, Chem. Phys. Lett., 1976, 40, 205. [all data]


Notes

Go To: Top, Constants of diatomic molecules, References