一种以有机金属配合物为模板剂的硼酸盐的合成与结构表征

Synthesis and crystal structure of a borate templated by organometallic complex

通过中温水热合成方法获得了硼酸盐[Co(en)_(3)]_(2)[B_(4)O_(5)(OH)4]_(2)·C_(2)H_(2)O_(4)·6H_(2)O的晶体,用X射线单晶衍射仪测定了该化合物晶体结构,并通过红外光谱测定了其特征基团。晶体学数据:正交晶系,P212121(19号)空间群,a=11.3953Å、b=16.6650Å、c=22.9229 Å、V=4353.123 Å^(3)、Z=1、R_(1)=0.088、wR_(2)=0.240。该化合物为一例以有机金属配合物为模板剂和阳离子的硼酸盐,阳离子基团为[Co(en)_(3)]^(2+),阴离子基团为[B_(4)O_(5)(OH)4]^(2-)。阴阳离子间、草酸分子及结晶水分子间通过氢键形成三维网络结构。

The compound[Co(en)_(3)]_(2)[B_(4)O_(5)(OH)4]_(2)·C_(2)H_(2)O_(4)·6H_(2)O was successfully synthesized by medium warm water thermal synthesis.The crystal structure of the compound was determined by X-ray single crystal diffractometer and its characteristic groups were determined by IR.The crystallographic data for this compound:orthorhombic crystal system,space group P212121(No.19),a=11.3953Å,b=16.6650Å,c=22.9229 Å,V=4353.123 Å^(3),Z=1,R_(1)=0.088,wR_(2)=0.240.There are two groups in this compound,one is anion group[B_(4)O_(5)(OH)4]2-,the other is cation group[Co(en)_(3)]^(2+)functioned as template.The two ionic groups,oxalic acid and crystallization water formed 3-D network structure through hydrogen bonds.