Absolute Raman intensities of CH4, CH3D,CH2D2, CHD3, and CD4 |
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Authors: | D Bermejo R Escribano JM Orza |
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Institution: | Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas, Serrano 119, Madrid-6, Spain |
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Abstract: | Measurements of the absolute vibrational Raman intensities and depolarization ratios for the fundamental and some overtone and combination bands of CH4, CH3D, CH2D2, CHD3, and CD4 are reported. Experimental aspects of these measurements are discussed. The experimental data conform satisfactorily to all isotope intensity sum rules. The measured intensities and depolarization ratios, together with the vibrational potential function for CH4, make possible the calculation of the four independent parameters of the isotopic invariant quantities . The results deduced from these agree with all 36 experimentally observed values. Values of electro-optical parameters for the CH bond are calculated and discussed. |
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