Small Titanium Oxo Clusters: Primary Structures of Titanium(IV) in Water Guanyun Zhang Jie Hou Chen-Ho Tung Yifeng Wang 10.1021/acs.inorgchem.6b00129.s004 https://acs.figshare.com/articles/journal_contribution/Small_Titanium_Oxo_Clusters_Primary_Structures_of_Titanium_IV_in_Water/3118807 For sol–gel synthesis of titanium oxide, the titanium­(IV) precursors are dissolved in water to form clear solutions. However, the solution status of titanium­(IV) remains unclear. Herein three new and rare types of titanium oxo clusters are isolated from aqueous solutions of TiOSO<sub>4</sub> and TiCl<sub>4</sub> without using organic ligands. Our results indicate that titanium­(IV) is readily hydrolyzed into oxo oligomers even in highly acidic solutions. The present clusters provide precise structural information for future characterization of the solution species and structural evolution of titanium­(IV) in water and, meanwhile, are new molecular materials for photocatalysis. 2016-03-18 11:37:39 solution status Small Titanium Oxo Clusters acidic solutions Primary Structures titanium oxo clusters future characterization TiCl 4 titanium oxide TiOSO 4 solution species oxo oligomers