LABORATORY FOR PHYSICAL CHEMISTRY II
Learning outcomes of the course unit
Give a short introduction to quantum mechanics.
Approach to some spectroscopic techniques (absorption in UV-visible-IR; FT-IR; Fluorescence; Raman).
Interpretation of spectroscopic data to extract molecular information.
Course contents summary
UV-visible spectrophotometers, transmittance, absorbance, color, molar extinction coefficient.
Introduction to quantum mechanocs. Particle in a box. Application to pi-conjugated molecules.
Adiabatic approximation. Potential energy surfaces.
Absorption spectra. Franck-Condon principle. Jablonski diagrams, Kasha rule. Fluorescence spectra, Stokes-shift, spectrofluorometers.
Solvatochromism: reaction field and dependence of absorption, fluorescence and Stokes-shift on the solvent polarity.
Introduction to Fourier transform. Michelson interferometer inside FT-IR spectrophotometers. Sampling and truncation of interferograms.
Vibro-rotational spectra of diatomic molecules.
Raman spectroscopy. IR and Raman selection rules. Symmetry and selection rules.
Recommended readings
P. W. Atkins, Physical Chemistry.
Teaching methods
A laboratory notebook must be prepared and delivered at least one week before the examination.
