Table 1. Energy Levels of LUMO Orbitals and Atomic Coefficient Values of Iminic Carbon from N-sulfonylhydrazone Prototypes (1–4) Calculated by the SPARTAN 14′ Program (Wavefunction Inc.).

compounds	atomic coefficient	LUMO (eV)	molar refractivity
1	0.09	1.42	33.23
2	0.07	1.54	35.42
3	0.11	1.58	36.34
4	0.07	1.83	42.09