Titanyl sulfate

Titanyl sulfate
Identifiers
CAS Number	13825-74-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	9041905;
ECHA InfoCard	100.034.098
PubChem CID	71312680 monohydrate;
UNII	6XWR967CBZ ;
CompTox Dashboard (EPA)	DTXSID20893951 ;
	SMILES [O-]S(=O)(=O)[O-].O=[Ti+2];
Properties
Chemical formula	O5STi
Molar mass	159.92 g·mol−1
Density	1.3984 g/cm3
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Titanyl sulfate is the inorganic compound with the formula TiOSO₄. It is a white solid that forms by treatment of titanium dioxide with fuming sulfuric acid. It hydrolyzes to a gel of hydrated titanium dioxide.^[1] The structure consists of dense polymeric network with tetrahedral sulfur and octahedral titanium centers. The six ligands attached to titanium are derived from four different sulfate moieties and a bridging oxide. A monohydrate is also known, being prepared similarly to the anhydrous material. In the hydrate, one Ti–OS bond is replaced by Ti–OH₂.^[2]

Portions of the structure of titanyl sulfate

TiOSO₄, illustrating the connectivity between sulfate and titanium centers

TiOSO₄(H₂O), showing the presence of water

Color code: Ti = blue, O = red, and S = yellow

References

^ Heinz Sibum; Volker Günther; Oskar Roidl; Fathi Habashi; Hans Uwe Wolf (2005). "Titanium, Titanium Alloys, and Titanium Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a27_095. ISBN 978-3527306732.
^ Gatehouse, B. M.; Platts, S. N.; Williams, T. B. (1993). "Structure of Anhydrous Titanyl Sulfate, Titanyl Sulfate Monohydrate and Prediction of a New Structure". Acta Crystallographica Section B. 49 (3): 428–435. Bibcode:1993AcCrB..49..428G. doi:10.1107/S010876819201320X.

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[Ullmann-1] Heinz Sibum; Volker Günther; Oskar Roidl; Fathi Habashi; Hans Uwe Wolf (2005). "Titanium, Titanium Alloys, and Titanium Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a27_095. ISBN 978-3527306732.

[2] Gatehouse, B. M.; Platts, S. N.; Williams, T. B. (1993). "Structure of Anhydrous Titanyl Sulfate, Titanyl Sulfate Monohydrate and Prediction of a New Structure". Acta Crystallographica Section B. 49 (3): 428–435. Bibcode:1993AcCrB..49..428G. doi:10.1107/S010876819201320X.

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