Table 3 FMOs and other global reactive parameters of the DFT optimised MPTP molecule.

From: A robust aminothiazole-based colorimetric sensor for visual detection of Fe3+ ions in environmental and pharmaceutical samples

Parameter

Values

EHOMO (eV)

−5.9451

ELUMO (eV)

−2.1538

Energy gap (ΔE) (eV)

3.7914

Ionization potential (IP) (eV)

5.9451

Electron affinity (EA) (eV)

2.1538

Electronegativity (χ) (eV)

4.0495

Chemical potential (µ) (eV)

−4.0495

Global hardness (η) (eV)

1.8957

Global softness(σ) (eV−1)

0.5275

Global electrophilicity (ω) (eV)

4.3251