Jahn–Teller effect and the formation of anticorrosive protective layers of nitrilo-tris-methylene-phosphonates on surfaces of steel

F. F. Chausov; N. V. Somov; E. A. Naimushina; I. N. Shabanova; A. L. Ul’yanov; R. M. Zakirova; I. V. Fedotova; M. A. Shumilova; V. A. Aleksandrov; V. G. Petrov

doi:10.3103/S1062873816110174

Jahn–Teller effect and the formation of anticorrosive protective layers of nitrilo-tris-methylene-phosphonates on surfaces of steel

Authors: Chausov F.F.¹^,2, Somov N.V.³, Naimushina E.A.²^,4, Shabanova I.N.¹, Ul’yanov A.L.¹, Zakirova R.M.², Fedotova I.V.², Shumilova M.A.⁵, Aleksandrov V.A.⁵, Petrov V.G.⁵
Affiliations:
1. Physicotechnical Institute, Ural Branch
2. Udmurt State University
3. Lobachevsky State University
4. Kalashnikov State Technical University
5. Institute of Mechanics, Ural Branch
Issue: Vol 80, No 11 (2016)
Pages: 1310-1313
Section: Proceedings of the International Symposium “Ordering in Minerals and Alloys” OMA-18 and Chairman of the Organizing Committee of the International Symposium “Order, Disorder, and the Properties of Oxides” ODPO-18
URL: https://journals.rcsi.science/1062-8738/article/view/184865
DOI: https://doi.org/10.3103/S1062873816110174
ID: 184865

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Abstract

Nitrilo-tris-methylene-phosphonato-three-aqua-complexes of chromium(II) and iron(II), the main components of protective layers for inhibiting steel corrosion with nitrilo-tris-methylene-phosphonates, are isolated and studied. Their ability to form protective layers is explained by their insolubility and resistance to water and air. These properties of Cr and Fe complexes are explained by Jahn–Teller distortion of the coordination environment of Cr and Fe atoms.