Fig. 5
From: DFT insights into humic acid coordination of Cd(II) Cu(II) and Pb(II)

Calculated physical parameters for Cu coordinated with acetic acid without and with 4 water molecules whereas, (a), (b), HOMO/LUMO and (c), (d) MESP.
From: DFT insights into humic acid coordination of Cd(II) Cu(II) and Pb(II)

Calculated physical parameters for Cu coordinated with acetic acid without and with 4 water molecules whereas, (a), (b), HOMO/LUMO and (c), (d) MESP.