化学
格式化
结晶学
八面体
分子
金属
网(多面体)
甲酸
铁
无机化学
晶体结构
催化作用
有机化学
几何学
数学
作者
Yuan Tian,Yuming Zhao,Haijun Xu,Cheng-Yu Chi
出处
期刊:Inorganic Chemistry
[American Chemical Society]
日期:2007-01-31
卷期号:46 (5): 1612-1616
被引量:29
摘要
The serendipitous discovery of CO2 as a template in the fabrication of ferric formate (1) has led to the preparation of serial metal(III) formates [MIII(HCOO)3.3/4CO2.1/4H2O.1/4HCOOH ]infinity (M = Fe(1), Al (2), Ga (3), and In(4)). The X-ray single-crystal determinations showed that the metals have octahedral geometries and are linked by HCOO- in the anti-anti style into a 3D ReO3 net, where CO2 molecules exist in cages of mmm symmetry and are hydrogen bonded to the formic CH groups. An X-ray powder diffraction (XRD) study revealed that 2 is identical to the documented [Al(HCOO)3.xH2O]. Further synthetic experiments and 13C NMR spectroscopy eventually confirmed that 2 should be formulated as [Al(HCOO)3.3/4CO2.1/4H2O.1/4HCOOH ]infinity, which for decades had been mistakenly given as [AlIII(HCOO)3.xH2O].
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