Pure Rotation Spectrum of the HCl Flame

John Strong

doi:10.1103/PhysRev.45.877

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Pure Rotation Spectrum of the HCl Flame

John Strong^*

California Institute of Technology

^*National Research Fellow.

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Phys. Rev. 45, 877 – Published 15 June, 1934

DOI: https://doi.org/10.1103/PhysRev.45.877

Abstract

Pure rotation lines for $j = 17 to 33$ of the emission spectrum of the HCl flame are measured with a KBr prism. The following empirical formulae are determined to represent two series of lines measured corresponding to pure rotation in the two lowest oscillation states, $N = 0, ν = 20.9 j - 0.00185 j^{3}; N = 1, ν = 20.2 j - 0.00163 j^{3} .$

The linear coefficients agree satisfactorily with values calculated from the empirical oscillation-rotation formula. Theoretically the two cubic coefficients should be equal. The frequency is strongly influenced by the cubic term for high values of $j$ so that the observed difference between these coefficients is regarded as real.

References (13)

John Strong, Phys. Rev. 37, 1661 (1931)
John Strong, Phys. Rev. 36, 1663 (1930)
John Strong, R. S. I. 3, 810 (1932)
W. H. Julius, Arch. Neerl. 22, 310 (1888)
M. Neunhoeffer, Ann. d. Physik 2, 334 (1929) ibid.4, 352 (1930)
John Strong, R. S. I. 3, 65 (1932)
John Strong, Phys. Rev. 37, 1565 (1931)
Louis Russell Weber and H. M. Randall, Phys. Rev. 40, 835 (1932)
D. M. Dennison and Norman Wright, Phys. Rev. 38, 2077 (1931)
K. Korth, Zeits. f. Physik 84, 677 (1933)
R. Bowling Barnes, Zeits. f. Physik 75, 723 (1932)
Colby, Meyer and Bronk, Astrophys. J. 57, 7 (1923)
M. Czerny, Zeits. f. Physik 53, 317 (1929)

[c1] John Strong, Phys. Rev. 37, 1661 (1931)

[c2] John Strong, Phys. Rev. 36, 1663 (1930)

[c3] John Strong, R. S. I. 3, 810 (1932)

[c4] W. H. Julius, Arch. Neerl. 22, 310 (1888)

[c5] M. Neunhoeffer, Ann. d. Physik 2, 334 (1929) ibid.4, 352 (1930)

[c6] John Strong, R. S. I. 3, 65 (1932)

[c7] John Strong, Phys. Rev. 37, 1565 (1931)

[c8] Louis Russell Weber and H. M. Randall, Phys. Rev. 40, 835 (1932)

[c9] D. M. Dennison and Norman Wright, Phys. Rev. 38, 2077 (1931)

[c10] K. Korth, Zeits. f. Physik 84, 677 (1933)

[c11] R. Bowling Barnes, Zeits. f. Physik 75, 723 (1932)

[c12] Colby, Meyer and Bronk, Astrophys. J. 57, 7 (1923)

[c13] M. Czerny, Zeits. f. Physik 53, 317 (1929)

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Pure Rotation Spectrum of the HCl Flame

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References (13)

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