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Zirconium(IV) chloride, also known as '''zirconium tetrachloride''', is ZrCl4. It is a white high-melting solid that hydrolyzes rapidly in humid air. Unlike TiCl4 , ZrCl4 adopts a polymeric structure wherein each Zr is octahedrally coordinated. This polymer degrades readily upon treatment with Lewis Base s.

ZrCl4 used for the preparation of metallic Zirconium by the Kroll Process .

ZrCl4 is the principal starting compound for the synthesis of many organometallic complexes of zironcium. It forms a 1:2 complex with Tetrahydrofuran : CAS {Link without Title} , mp 175-177 °C. ZrCl4(THF)2 with ZrCl4 to form zirconocene dichloride, ZrCl2(Cl5H5)2, a very versatile organozirconium complex.


REFERENCES

  • New Aspects of Zirconium Containing Organic Compounds. Topics in Organometallic Chemistry, 10 Edited by Ilan Marek (Technion-Israel Institute of Technology, Haifa). Springer: Berlin, Heidelberg, New York. 2005. x + 176 pp. ISBN 3-540-22221-9.

  • N. N. Greenwood & A. Earnshaw, ''Chemistry of the Elements'' (2nd ed.), Butterworth-Heinemann, Oxford, 1997.

  • Manzer, L. E., "Tetrahydrofuran Complexes of Selected Early Transition Metals", Inorganic Syntheses, 1982, volume 21, page 135-40.

  • G. Wilkinson and J.G. Birmingham (1954). "Bis-cyclopentadienyl Compounds of Ti, Zr, V, Nb and Ta". Journal of the American Chemical Society 76 (17): 4281-4284.



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