New titanium(IV) and vanadium(IV) haloalkoxides:: Synthetic route and structural characterisation

被引：7
|
作者：
Nunes, GG
Reis, DM
Camargo, PHC
Hitchcock, PB
Hörner, M
Matos, RM
Mangrich, AS
de Sá, EL
Leigh, GJ
Soares, JF [1 ]
机构：
[1] Univ Fed Parana, Dept Quim, Ctr Politecn, BR-81531990 Curitiba, Parana, Brazil
[2] Univ Sussex, CPES, Dept Chem, Brighton BN1 9QJ, E Sussex, England
[3] Univ Fed Santa Maria, Dept Quim, BR-97119900 Santa Maria, RS, Brazil
[4] Univ Fed Minas Gerais, Dept Quim, BR-31270901 Belo Horizonte, MG, Brazil
来源：
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2003年 / 14卷 / 06期
关键词：
titanium(IV); vanadium(IV); alkoxides; binuclear;
D O I：
10.1590/S0103-50532003000600009
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The novel binuclear titanium(IV) complex [{TiCl(OPri)(2)(HOPri)}(2)(mu-OPri)(2)], 1, and the first mononuclear vanadyl(IV) chloroalcoholate [VCl(O)(HOPri)(4)] Cl, 2, have been prepared from 2: 1: 1 mixtures of [Ti(OPri)(4)], KOPri and VCl3. Products were characterised by elemental analysis, FTIR, EPR, NMR and electronic spectroscopies, magnetic susceptibility measurements and single crystal X-ray diffractometry. A third product was found to be polynuclear and to contain both titanium and vanadium. Semi-empirical quantum-mechanical calculations were carried out for the evaluation of the electronic structure of 1.
引用
收藏
页码：922 / 929
页数：8
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