Synthesis, single crystal structure determination, and solution behavior of an 8-hydroxyquinoline derivative of niobium(V) ethoxide

被引：7
|
作者：
Amini, Mostafa M. [1 ]
Mirzaee, Mehdi [1 ]
Yaganeh, Farnaze [1 ]
Khavasi, Hamid Reza [1 ]
Mirzaei, Peiman [1 ]
Ng, Seik Weng [2 ]
机构：
[1] Shahid Beheshti Univ Med Sci, Dept Chem, Tehran 1983963113, Iran
[2] Univ Malaya, Dept Chem, Kuala Lumpur 50603, Malaysia
来源：
TRANSITION METAL CHEMISTRY | 2008年 / 33卷 / 01期
关键词：
D O I：
10.1007/s11243-007-9017-z
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
An 8-hydroxyquinoline derivative of niobium(V) ethoxide was synthesized and characterized by elemental analysis, mass spectrometry, infrared, electronic, and H-1, C-13, and (NMR)-N-93 spectroscopies. Tetraethoxy(8-quinolinato)niobium(V), as shown by the single crystal structure determination, exists as an octahedral compound in the solid state in which the 8-quinolinato group chelates to the metal atom. In solution, this group partially becomes unidentate; the six-coordinate species is in equilibrium with the five-coordinate species, as shown by Nb-93 and variable-temperature H-1 NMR spectroscopy.
引用
收藏
页码：79 / 83
页数：5
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