A Surprising Example of Crystal Structure Retention for 3,5-Di-(tert-butyl)-2-hydroxyazobenzene Ligand during the Formation of Ni(II) and Pd(II) Complexes

S. M. Aldoshin; Алдошин С. М.; V. V. Tkachev; Ткачев В. В.; A. N. Utenyshev; Утенышев А. Н.; K. V. Bozhenko; Боженко К. В.

doi:10.31857/S0132344X22600308

A Surprising Example of Crystal Structure Retention for 3,5-Di-(tert-butyl)-2-hydroxyazobenzene Ligand during the Formation of Ni(II) and Pd(II) Complexes

Authors: Aldoshin S.M.¹, Tkachev V.V.¹, Utenyshev A.N.¹, Bozhenko K.V.¹
Affiliations:
1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow oblast, Russia
Issue: Vol 49, No 5 (2023)
Pages: 308-314
Section: Articles
URL: https://ruspoj.com/0132-344X/article/view/667515
DOI: https://doi.org/10.31857/S0132344X22600308
EDN: https://elibrary.ru/FYSHND
ID: 667515

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Abstract

The structures of 3,5-di-(tert-butyl)-2-hydroxyazobenzene (L) in the free state and in complexes with Ni2+ (I) and Pd2+ (II) cations are studied by X-ray diffraction (XRD). The same space group R3¯с with close unit cell parameters, the same crystal structure motif, and unusual conformations of the cupola-shaped coordination polyhedra of complexes I and II are revealed by XRD for ligand L. In complexes I and II based on this compound as the ligand, the coordinating atoms form trans-planar coordination nodes.

Keywords

XRD, azo compounds, isomerism, conformation, quantum chemical calculations

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