Abstract
A new zirconium(VI) complex with fluorinated methoxy substituted β-diketonate ZrL4 is synthesized where L = 1,1,1-trifluoro-5-methoxy-5-methylhexane-2,4-dionate. The complex sublimates without decomposition at a low pressure (10–2 Torr) at 140 °C. The crystal structure of the complex is molecular and composed of mononuclear ZrL4 molecules. Crystallographic data for C32H40F12O12Zr are: C2/c, a = 12.193(2) A, b = 21.922(4) A, c = 15.585(3) A, β = 101.51(3)°, V = 4082.1(14) A3, Z = 4, d = 1.523 g/cm3. The coordination environment of the zirconium atom is formed by eight oxygen atoms of four β-diketonate ligands; the coordination polymer is a square antriprism. The Zr–O distances are in the range 2.16-2.19 A. The thermal properties of the complex are studied by TG–DTA.
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