... voluntarily quantum cleanness” in favour of exposing the inter-relationships of problems In this respect, any division between physics and chemistry, organic chemistry and quantum chemistry, quantum chemistry ... varying levels of knowledge in quantum chemistry as well as for those whose goals and interests differ from those of traditional quantum chemistry This book is a direct result of my lectures ... students I often saw their enthusiasm, their eyes showed me a glimpse of curiosity First of all, this book is an acknowledgement of my young friends, my students, and an expression of the joy of being...