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. 2021 Apr 15;25(3):1963–1977. doi: 10.1007/s11030-021-10211-9

Table 3.

Comparison of the values of orbital energy descriptors HOMO and LUMO

Molecule HOMO energy (au) LUMO energy (au) Energy gap (eV)
N3  − 0.18692  − 0.095238 0.091682
ECG  − 0.19072  − 0.0829372 0.107783