Here are the classes, structs, unions and interfaces with brief descriptions:

CAtom	The Atom struct - structure which encapsulated and simlates an atom, an elementary component of a molecule
CCamera	simulates the view point of the user. When the user interacts with the visualized molecule or navigates around it, he basically manipulates the camera
CCanvas	represents the main class of our application, since the whole logic and the calls for all necessary passes are comprised here
CDirection
CMolecule	This class represents a molecule. It consists of atoms and bonds
CParams
CPDBLoader
CSceneObject
CWindow