Figure 5. Energy gap of 3 calculated using QCHEM software

From

Undergraduate Experiment Using Absorption and Diffuse Reflectance Spectroscopies: Theoretical and Experimental Bandgap Calculations of Porphyrins and Metalloporphyrins

Muna Bufaroosha, Shaikha S. Al Neyadi, Ahmed Alzamly, Mohamad Toutounji, Na’il Saleh, Bashar Yousef Abuhattab, Abdullah Al-Hemyari, Amna Alyammahi, Shamma Alzahmi, Mohamed Altubji, Ruba Al-Ajeil

World Journal of Chemical Education. 2020, 8(2), 87-91 doi:10.12691/wjce-8-2-4