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Structure and Stability of Water Soluble (NH<sub>4</sub>)<sub>8</sub>[Ti<sub>4</sub>(C<sub>6</sub>H<sub>4</sub>O<sub>7</sub>)<sub>4</sub>(O<sub>2</sub>)<sub>4</sub>]·8H<sub>2</sub>O
163
Citations
8
References
2001
Year
Materials ScienceInorganic ChemistryCrystal StructureEngineeringPhysicochemical AnalysisCoordination ComplexWater SolubleAmmonium CitratoperoxotitanatePhysical ChemistryChemistryHydrogenCrystallographyInorganic SynthesisTitanium ComplexSolution (Chemistry)Inorganic Compound
Ammonium citratoperoxotitanate(IV), (NH4)8[Ti4(C6H4O7)4(O2)4]·8H2O, was isolated in the solid form. Its crystal structure was solved and refined using single-crystal X-ray data. The compound crystallizes in a monoclinic cell with a = 10.237(2) Å, b = 17.537(4) Å, c = 14.713(3) Å, β = 100.35(1)° (Z = 2, fw = 1360.40, ρcalc = 1.74 g/cm3) and space group P21/n (No. 14). The determined structure of the titanium complex agrees well with the Raman and NMR spectroscopic data. We speculate that tight coordination of titanium in the complex molecule is responsible for the high stability of this compound against hydrolysis.
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