铬(Ⅲ)与α-甲基丙烯酸根配合物的合成及结构表征

Chemical World(2008)

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Abstract
合成了Cr(Ⅲ)与α-甲基丙烯酸根配合物,进行了元素分析,红外光谱研究,确定配合物的组成为Cr2(H2O)8(CH2=C(CH3)-COO-)2Cl4,测定了它的晶体结构,晶体属单斜晶系P21/c,晶胞参数:a=0.5327(12)nm,b=0.9984(10)nm,c=1.6139(7)nm,最终因子β=114.98(3)°,z=4,R=0.0699,Cr(Ⅲ)具有畸变的八面体配位环境,两个Cr(Ⅲ)由两个α-甲基丙烯酸根桥联。
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Key words
α-methylacrylate,crystal structure,chromium(Ⅲ)
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