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Published online by Cambridge University Press: 24 October 2008
T. Hori has recently carried out a careful study of the ultra-violet bands of the hydrogen molecule and deduced numerical values for the energy levels involved in their production. Mr R. H. Fowler pointed out to the writer the desirability of re-calculating the specific heat of H2 by using Hori's empirical values of the energy. The present note gives the result of the calculation, which is of course similar to the investigation of Kemble and van Vleck.
* Hori, T., Zs. f. Phys. 44, p. 834 (1927).CrossRefGoogle Scholar
* This point can be examined more closely by noting that
Using this in ∑m in (4) with asymptotic expressions for the sums, ∑m lies between 
and 
; and
for the largest β. Similarly for derivatives in (8).
† Dennison, D. M., Proc. Roy. Soc. A, 115, p. 483 (1927).CrossRefGoogle Scholar
* Partington, and Shilling, , The specific heats of gases (1924), p. 202 and Tables C.Google Scholar
* Kemble, and van Vleck, , Phys. Rev. 21, p. 653 (1923).CrossRefGoogle Scholar
† McCrea, , Proc. Camb. Phil. Soc. 23, p. 890 and p. 942 (1927).CrossRefGoogle Scholar
‡ Mecke, R., Zs. f. Phys. 42, p. 390 (1927); see particularly § 2.Google Scholar
