Observing the orbital ordering of Ti(III) ions in catalysts for the polymerization of diene compounds

V. V. Biktagirov; V. F. Anufrienko; E. V. Biktagirova

doi:10.1134/S0036024416020072

Observing the orbital ordering of Ti(III) ions in catalysts for the polymerization of diene compounds

Authors: Biktagirov V.V.¹, Anufrienko V.F.², Biktagirova E.V.¹
Affiliations:
1. Kazan State Technological University
2. Boreskov Institute of Catalysis, Siberian Branch
Issue: Vol 90, No 2 (2016)
Pages: 282-285
Section: Chemical Kinetics and Catalysis
URL: https://bakhtiniada.ru/0036-0244/article/view/167682
DOI: https://doi.org/10.1134/S0036024416020072
ID: 167682

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Abstract

The orbital ordering of Ti(III) ions is observed via EPR spectroscopy for the catalytic system TiCl₄ + TIBA in an isopentane solution with an excess of organoaluminum compound. A model of the alternating ground states of 3d¹ ions (d_xy and \(d_{z^2 }\) is proposed for the ordered structures. Ti(III) ions with the d_xy ground states are mono- and dialkylated.