With discipline and quality PDFs, you will understand why molecules have the shapes, colors, and reactivities they do. Quantum chemistry is not magic—it is just quantum mechanics applied to chemistry. And now, you have the notes to prove it.
Since your request is slightly ambiguous (do you want actual lecture notes or research papers that cite/use such notes? ), I have broken this down into two categories.
A solid set of notes should progress through these pillars:
