Structures and Stabilities of Titanium Silsesquioxanes

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Date
2001-11-01
Authors
Kudo, Takako
Gordon, Mark
Gordon, Mark
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Chemistry
Abstract

The structures and stabilities of the titanium analogues of fully condensed silsesquioxanes, [HTiO1.5]n, n = 4−12, are investigated with ab initio electronic structure theory including electron correlation effects. In addition, the distribution of Ti atoms in T8, H8TipSi8-pO12; p = 1−7, are compared with the Al distribution in zeolites. The fully substituted POSS are found to have similar structures to the silicon analogues though the titanium compounds seem to be more stable for all cage sizes than the silicon compounds.

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Reprinted (adapted) with permission from Journal of Physical Chemistry A 105 (2001: 11276, doi:10.1021/jp0124140. Copyright 2001 American Chemical Society.

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