Supported elements types are
- Bicoordinate
- an central atom involved in a cumulated system (not yet supported) 
- Tricoordinate
- an atom at one end of a geometric (double-bond) stereo bond or cumulated system 
- Tetracoordinate
- a tetrahedral atom (could also be square planar in future) 
- None
- the atom is not a (supported) stereo element type 
Author
Rajarshi Guha rajarshi.guha@gmail.com
