Table 2 B3LYP/6-31G(d, p) calculated global reactivity descriptors for humic acid HA model molecule.

From: DFT insights into humic acid coordination of Cd(II) Cu(II) and Pb(II)

Structure

I (eV)

A (eV)

µ (eV)

η (eV)

S (eV− 1)

ω (eV)

HA

5.726409

2.082776

3.904592

1.82182

0.5489027

4.1842418