Figure 9

The HOMO, LUMO and energy gap values of the optimized (a) 4-butylferrocene acetate, (b) 4-butylferrocene propionate and (c) 4-butylferrocene butyrate molecules.

The HOMO, LUMO and energy gap values of the optimized (a) 4-butylferrocene acetate, (b) 4-butylferrocene propionate and (c) 4-butylferrocene butyrate molecules.