1. 2. Electronic transitions and vibrational and rotational phenomena operate in three distinct energy regimes (AEelec>>

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1 2 Electronic Transitions And Vibrational And Rotational Phenomena Operate In Three Distinct Energy Regimes Aeelec 1 (414.69 KiB) Viewed 65 times

1. 2. Electronic transitions and vibrational and rotational phenomena operate in three distinct energy regimes (AEelec>>AEvib>>AErot). Consider each of these: 3. А л-л* electronic transition that is observed from 380-400 nm in the UV- Visible range. Complete the following chart by applying appropriate unit conversions: (10 marks) energy relative nanometer /ev energy 1 micrometer A carbonyl vibration at 1800 cm³¹ with a peak width of 20 cm¹ in the IR (Raman) range.. A rotational transition width that is 3 cm¹ with a peak width of 0.5 cm ¹. m cm-1 3 1790 1800 1810 cm 380 390 400 With regard to the statements in question 1, on the widths of transitions, comment on the width of a UV-visible peak relative to that of the Raman/infrared peak in terms of energy. (2 mark) Predict the wavenumbers for the radial breathing mode for SWNTS with 1, 3 and 20 nm radii. (3 marks)