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Titanium(III) bromide
・ Titanium(III) chloride
・ Titanium(III) fluoride
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Titanium(III) bromide : ウィキペディア英語版
Titanium(III) bromide
〔http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=136975〕
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Titanium(III) bromide is the inorganic compound with the formula TiBr3. It is a blue black paramagnetic solid with a reddish reflection. It has few applications, although it is a catalyst for the polymerization of alkenes.
==Production and structure==
TiBr3 can be produced by heating the tetrabromide in an atmosphere of hydrogen:〔Sherfey, J. M. "Titanium(III) chloride and titanium(III) bromide" Inorganic Syntheses 1960, vol. 6, pp 57-61.〕
:2 TiBr4 + H2 → 2 TiBr3 + 2 HBr
It can also be produced by comproportionation of titanium metal and titanium tetrabromide.〔
:Ti + 3 TiBr4 → 4 TiBr3
There are two polymorphs, each exhibiting octahedral Ti centers.〔Troyanov, S. I.; Rybakov, V. B.; Ionov, V. M. "Preparation and crystal structure of titanium tetrabromide, titanium tribromide and titanium(2+) tetrabromoaluminate(1-)" Zhurnal Neorganicheskoi Khimii 1990, vol. 35, 882-7.〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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