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. 2021 Oct 14;7(10):e08186. doi: 10.1016/j.heliyon.2021.e08186

Table 2.

Calculated Energy and Global Chemical Descriptors values of N2M5MB by B3LYP, PBEPBE, TPSSTPSS/6–311++G (d,p) methods.

Parameters B3LYP PBEPBE TPSSTPSS
EHOMO ​(eV) -6.145 -4.740 -4.845
ELUMO ​(eV) -1.483 -1.812 -1.718
Harmonic Oscillator Model of Aromaticity (HOMA) index 0.923 0.868 0.881
Aromatic Fluctuation Index (FLU) 0.007 0.0081 0.008
Ionization potential (I) 6.145 4.740 4.845
Electron affinity (A) 1.483 1.812 1.718
Energy gap (eV) (ΔE) 4.660 2.928 3.127
Electronegativity (χ) 3.814 3.276 3.281
Chemical potential (μ) -3.814 -3.276 -3.281
Global hardness (ղ) 2.331 1.464 1.564
Chemical softness (S) 0.214 0.341 0.319
Electrophilicity index (ω) 3.121 3.665 3.444
Nucleophilicity index (N) ev−1 0.320 0.273 0.290
Electron donating capability (ω -) 5.318 5.486 5.276
Electron accepting capability (ω +) 1.504 2.210 1.998