[Sc2(μ-OH)2(H2O)6(NO3)2](NO3)2: Aqueous Synthesis and Characterization

被引：11
|
作者：
Wang, Wei [1 ]
Chang, I-Ya [1 ]
Zakharov, Lev [1 ]
Cheong, Paul Ha-Yeon [1 ]
Keszler, Douglas A. [1 ]
机构：
[1] Oregon State Univ, Dept Chem, Corvallis, OR 97331 USA
来源：
INORGANIC CHEMISTRY | 2013年 / 52卷 / 04期
基金：
美国国家科学基金会;
关键词：
SCANDIUM OXIDE; WATER;
D O I：
10.1021/ic301814z
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
[Sc-2(mu-OH)(2)(H2O)(6)(NO3)(2)](NO3)(2) has been synthesized from an aqueous scandium nitrate solution by using zinc powder as a reducing agent for nitric acid, which drives an increase in pH and forces the condensation of aqua scandium cations. This preparative route readily produces gram-scale samples with yields near 65%. A single-crystal X-ray diffraction study reveals a structure characterized by a hydroxo-bridged Sc dimer. The FTIR spectrum of the compound has been modeled via ab initio computations, allowing the identification of signature IR peaks. Some initial observations on the thermal transformation of the compound to Sc2O3 are also reported.
引用
收藏
页码：1807 / 1811
页数：5
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