TheÅ ngström (B^1Σ^+ → A^1Π) Band System of ^{13}C^{16}O: New Observations and Analyses

• Authors: R. Kępa , U. Domin , K. Porada
• Languages of publication: EN

Abstracts

EN

The emission spectrum of the Ångström system (B^1Σ^+ → A^1Π) of ^{13}C^{16}O was recorded and analysed by classical photographical spectroscopy. Under high resolution and with a precision estimated to be 0.010-0.020 cm^{-1} the bands 1-2, 1-7, and 0-6 were recorded for the first time and the 0-1, 0-2, 1-1, and 1-5 bands were rephotographed and reexaminated. After the rotational analysis of the bands the following constants were calculated: (1) the rotational constants B_v, D_v for the B^1Σ^+ and A^1Π states; (2) the equilibrium constants B_e,α_e, D_e, andβ_e for the B^1Σ^+ state; (3) theν_0 band origins. A combined analysis of the currently observedÅ ngström bands and the previously observed Herzberg (C^1Σ^+ → A^1Π) and the (E^1 Π → A^1Π) bands made it possible to perform a precise relative characteristic of the B^1 Σ^+(v=0 and 1), C^1Σ^+(v=0) and E^1Π(v=0) Rydberg levels in ^{13}C^{16}O. Numerous rotational perturbations observed in the A^1 Π state were confronted with the perturbations predicted from the theoretical calculations.

Keywords

EN

33.20.Kf

Discipline

• 33.20.Kf: Visible spectra

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2003
• Volume: 103
• Issue: 5
• Pages: 441-451

Dates

published

2003-05

received

2003-03-11

Contributors

author

R. Kępa

• Institute of Physics, University of Rzeszów, Rejtana 16A, 35-310 Rzeszów, Poland

author

U. Domin

• Institute of Physics, University of Rzeszów, Rejtana 16A, 35-310 Rzeszów, Poland

author

K. Porada

• Institute of Physics, University of Rzeszów, Rejtana 16A, 35-310 Rzeszów, Poland

References

• 1. K.E. McCulloh, G. Glockler, Phys. Rev., 89, 145, 1953
• 2. A.E. Douglas, C.K. Møller, Can. J. Phys., 33, 125, 1955
• 3. M. Rytel, Acta Phys. Pol. A, 37, 559, 1970
• 4. J. Janjić, J. Danielak, R. Kępa, M. Rytel, Acta Phys. Pol. A, 41, 757, 1972
• 5. S.G. Tilford, J.T. Vanderslice, J. Mol. Spectrosc., 26, 419, 1968
• 6. M. Eidelsberg, J.-Y. Roncin, A.C. Le Floch, F. Launay, C. Letzelter, J. Rostas, J. Mol. Spectrosc., 121, 309, 1987
• 7. J.-Y. Roncin, A. Ross, E. Boursey, J. Mol. Spectrosc., 162, 353, 1993
• 8. R. Kępa, unpublished
• 9. B.A. Palmer, R. Engleman Jr, Atlas of the Thorium Spectrum, Los Alamos National Laboratory, Los Alamos NM 1983
• 10. R.F. Curl, C.B. Dane, J. Mol. Spectrosc., 128, 406, 1988
• 11. J.K.G. Watson, J. Mol. Spectrosc., 138, 302, 1989
• 12. D.L. Albritton, A.L. Schmeltekopf, R.N. Zare, J. Mol. Spectrosc., 67, 132, 1977
• 13. J.A. Coxon, J. Mol. Spectrosc., 72, 252, 1978
• 14. R. Kępa, Acta Phys. Hung., 45, 133, 1978
• 15. R. Kępa, M. Rytel, Z. Rzeszut, Acta Phys. Pol. A, 54, 355, 1978
• 16. G. Herzberg, Molecular Spectra and Molecular Structure, Vol. 1, Spectra of Diatomic Molecules, Van Nostrand, Princeton 1950, p. 188
• 17. A.C. Le Floch, F. Launay, J. Rostas, R.W. Field, C.M. Brown, K. Yoshino, J. Mol. Spectrosc., 121, 337, 1987 and references therein
• 18. I. Kovacs, Rotational Structure in the Spectra of Diatomic Molecules, Akadémiai Kiado, Budapest, Hilger, London 1969, pp. 288, 297
• 19. R.W. Field, Ph.D. thesis, Harvard University, Cambridge, MA 1971
• 20. C. Kittrell, B.A. Garetz, Spectrochim. Acta A, 45, 31, 1989

Identifiers

DOI

10.12693/APhysPolA.103.441