The spin-orbit and rotational constants for the N2 C" 5Pi(ui) (v = 3) state

The Journal of Chemical Physics
Robert W FieldD W Tokaryk

Abstract

The spin-orbit (A = -16.4 cm(-1)) and rotational (B = 1.017 cm(-1)) constants for the N2 C" 5Pi(ui)(v = 3) level are determined by a fit to rotational lines in the C" 5Pi(u)-A' 5Sigma(g)+(3-1) band that terminate in J'Omega' = 3(3), 4(3), 3(2), and 4(2) levels of the C" state. The C"-state spin-orbit constant is consistent with semi-empirical estimates, based on spin-orbit constants observed in several other electronic states of N2 and the atomic spin-orbit coupling constant, zeta(N 2p). The C"-A' bands exhibit the unusual feature of oppositely degraded sub-band heads, Omega' = 3 (red) and Omega' = 1, 0, and -1 (blue). The unusually wide range of B(Omega)eff values, from 0.85 cm(-1) (Omega = 3) to 1.28 cm(-1) (Omega = -1) for C" 5Pi(v = 3) should be diagnostically useful for Omega'-assignments. The C" 5Pi(v = 3) level lies 14257.17 and 90599 cm(-1) above A' 5Sigma(g)+(v = 1) and X 1Sigma(g)+(v = 0), respectively, and Re(C" 5Pi) = 1.50 A.

References

Mar 4, 2006·The Journal of Chemical Physics·O Pirali, D W Tokaryk

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Citations

Jul 5, 2012·The Journal of Chemical Physics·Saida Ben YaghlaneMajdi Hochlaf
Dec 6, 2006·The Journal of Chemical Physics·O Pirali, D W Tokaryk
Mar 18, 2010·The Journal of Chemical Physics·M HochlafD Hammoutène
Nov 25, 2020·Physical Chemistry Chemical Physics : PCCP·Jennifer A NobleChristophe Jouvet

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