Crystal Structure and Corrosion Inhibition Properties of Ferrocenyl- and Phenylendiamine-Iminomethylphenoxy Cobalt Complexes. - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Chemical Crystallography Année : 2017

Crystal Structure and Corrosion Inhibition Properties of Ferrocenyl- and Phenylendiamine-Iminomethylphenoxy Cobalt Complexes.

Nadra Belhadj
  • Fonction : Auteur
Ali Ourari
  • Fonction : Auteur
Saida Keraghel
  • Fonction : Auteur
Bernd Schöllhorn

Résumé

The crystal structures of bis[2-(ferrocenyl-iminomethyl)phenoxy]cobalt(II) (CoII(L)2) [monoclinic, a 12.5466(3), b 10.6782(3), c 21.2695(6) Å, α = γ 90.°, β 92.944(2)°, V = 2845.82(13) Å3, Z = 4, space group P21/c] and bis(2-[(4-dimethylamino-phenylimino)-methyl]-phenoxy)cobalt(II) (CoII(M)2) [triclinic, a 10.2916(4), b 16.4867(10), c 17.6782(11) Å, α 114.754(2), β 96.614(4), γ 97.736(4)°, Z = 4, space group P-1] dominated by extensive hydrogen bonding such as O-H···N, N-H···O and N-H···N interactions. In both structures the central CoII is displaying a slightly distorted tetrahedral coordination sphere involving two iminoethyl-phenoxy ligands. The inhibition efficiency of the Co complexes concerning the corrosion of mild steel in acidic soln. was studied by electrochem. impedance spectroscopy. [on SciFinder(R)]

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Cristallographie
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Dates et versions

hal-03550191 , version 1 (31-01-2022)

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Nadra Belhadj, Ali Ourari, Saida Keraghel, Bernd Schöllhorn, Dominique Matt. Crystal Structure and Corrosion Inhibition Properties of Ferrocenyl- and Phenylendiamine-Iminomethylphenoxy Cobalt Complexes.. Journal of Chemical Crystallography, 2017, 47 (1-2), pp.40-46. ⟨10.1007/s10870-017-0678-y⟩. ⟨hal-03550191⟩
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