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Determination of the structure of distorted TiO6 units in the titanosilicate ETS-10 by a combination of X-ray absorption spectroscopy and computer modeling

Sankar, G; Bell, RG; Thomas, JM; Anderson, MW; Wright, PA; Rocha, J; (1996) Determination of the structure of distorted TiO6 units in the titanosilicate ETS-10 by a combination of X-ray absorption spectroscopy and computer modeling. J PHYS CHEM-US , 100 (2) 449 - 452.

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Abstract

A detailed picture of the local atomic environment of titanium in the novel titanosilicate ETS-10 has been derived from X-ray absorption spectroscopy aided by lattice energy minimization calculations. It is revealed that, in contrast to previous structural models for this disordered material, titanium exists in a distorted octahedral environment with long and short Ti-O bonds distributed within the chains of TiO6 octahedra. Plausible models for the extraframework cation distribution have also been proposed.

Type:Article
Title:Determination of the structure of distorted TiO6 units in the titanosilicate ETS-10 by a combination of X-ray absorption spectroscopy and computer modeling
Keywords:SELECTIVE OXIDATION, TITANIUM SILICALITE, ZEOLITE-BETA, XANES, ALKANES
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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