Span
Radius of the smallest sphere, on the center of mass enclosing all atoms
Shadow_XY
Shadow area in the XY plane
Kuhn_length
the mean of the bond distance
Shadow_YZ
Shadow area in the YZ plane
Contour_length
the mean of the bond distance * Number of bonds
End_to_end_distance
interatomic distance between the first and the last atoms of the molecule
AI_SddssS
Sum of AI value for ddssS type
AI_SsCl
Sum of AI value for sCl type
AI_SsBr
Sum of AI value for sBr type
AI_SsI
Sum of AI value for sI type