E_state_SsCH3
Sum of E-state for sCH3 type
E_state_SsNH3
Sum of E-state for sNH3 type
E_state_SdCH2
Sum of E-state for dCH2 type
E_state_SsNH2
Sum of E-state for sNH2 type
E_state_SssCH2
Sum of E-state for ssCH2 type
E_state_SssNH2
Sum of E-state for ssNH2 type
Quadratic_index
Quadratic index
Ramification_index
The sum runs over all the vertex degrees greater than two
Ring_degree_distance_index
Ring degree-distance index
Harary_index
The sum of the reciprocal distances between any two atoms in the molecule