Summary
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1.
Accurate measurements of the dielectric coefficient ofcarbon dioxide have been made at 8 different temperatures from +20° to +210° C.
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2.
The value of polarisation is constant within the limits of experimental error, indicating that the gas is non-polar within the temperature range employed.
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3.
The results of the present investigations do not support the possibility of a bent structure for the molecule ofcarbon dioxide above 145° C., as postulated by Ibbs and Wakemann from their measurements on thermal diffusion and viscosity.
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4.
Incidentally, accurate measurements of the dielectric coefficients ofmethane, have been made at four different temperatures in the range from +25° to +190° C.
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(Communicated by Sir C. V. Raman,kt., f.r.s., n.l.)
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Ramaswamy, K.L. Dielectric polarisation and the form of the carbon dioxide molecule. Proc. Indian Acad. Sci. (Math. Sci.) 6, 301–311 (1937). https://doi.org/10.1007/BF03051253
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DOI: https://doi.org/10.1007/BF03051253