MASS -1 CG2D1 12.01100 ! alkene; RHC= ; imine C
MASS -1 CG2D2 12.01100 ! alkene; H2C=
MASS -1 CG2D1O 12.01100 ! double bond C adjacent to heteroatom. In conjugated systems, the atom to which it is double bonded must be CG2DC1.
MASS -1 CG2D2O 12.01100 ! double bond C adjacent to heteroatom. In conjugated systems, the atom to which it is double bonded must be CG2DC2.
MASS -1 CG2DC1 12.01100 ! conjugated alkenes, R2C=CR2
MASS -1 CG2DC2 12.01100 ! conjugated alkenes, R2C=CR2
MASS -1 CG2DC3 12.01100 ! conjugated alkenes, H2C=