Concluded first draft of the 'Cluster distortion and bipolaron formation' chapter
Better paraphrasing.
Isotopic shifts of the infrared spectra. I also corrected some erroneous data.
Completed first draft of chapter 4.
Better figure captions.
Better paraphrasing.
Introduction to the 'Electronic excitations' chapter.
Dataset and plot for the 'Charge localization' section.
Minor edit: electron -> charge
Section about 'Partial charge localization'.
Isotopic shifts of the electronic excitation.
Figures styling
Paraphrasing.