Table 6 Mulliken atomic charges for the corrosion inhibitor.

From: Isatin Schiff base is an effective corrosion inhibitor for mild steel in hydrochloric acid solution: gravimetrical, electrochemical, and computational investigation

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Atoms

Charges

Atoms

Charges

Atoms

Charges

Atoms

Charges

N(1)

− 0.2749

C(5)

− 0.1057

C(9)

− 0.0798

C(13)

0.1780

N(2)

0.0219

C(6)

− 0.1300

C(10)

− 0.1700

S(14)

− 0.2697

N(3)

− 0.3344

C(7)

− 0.0661

C(11)

0.0867

N(15)

− 0.3517

C(4)

0.3640

C(8)

− 0.1637

O(12)

− 0.2946

H(16)

0.2599

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