弱相互作用构筑的二维、三维冠醚配合物{[K(18-C-6)]_(2)(C_(2)H_(4)Cl_(2))}[Ni(dmit)_(2)]_(2)和[K(18-C-6)][Ni(dmit)_(2)]的合成与结构

研究了18冠6与NiCl_(2)·6H_(2)O,K_(2)dmit(dmit=4,5 dimercapto 1,3 dithiole 2 thione,C_(3)S^(2-)_(5))在不同溶剂中反应生成的两个标题配合物{[K(18 C 6)]_(2)(C_(2) H_(4) C_(l2))}[Ni(dmit)_(2)]_(2)(1)和[K(18 C 6)][Ni(dmit)_(2)](2).通过元素分析、红外光谱、单晶X射线衍射进行了表征.1和2均属三斜晶系,空间群P 1.1的晶体学数据:a=10272(2)nm,b=12282(3)nm,c=14205(3)nm,α=113473(3)°,β=90609(3)°,γ=91439(3)°,V=16430(6)nm^(3),Z=2,F(000)=876,R_(1)=005032的晶体学数据:a=08502(2)nm,b=12178(4)nm,c=15118(4)nm,α=86454(5)°,β=77734(5)°,γ=85364(5)°,V=15228(8)nm3,Z=2,F(000)=774,R_(1)=00565.配合物1,2分别通过K S,K Cl,S S和K S,S S弱相互作用形成二维。

{[K(18-C-6)][K(H_(2)O)_(2)]}[Cd(CN)_(4)]的合成与结构分析

合成了配合物{[K(18-C-6)][K(H_(2)O)_(2)]}[Cd(CN)_(4)](1),并通过元素分析、红外光谱、单晶X-射线衍射进行了结构分析。配合物属单斜晶系,空间群P2(1)/n。晶体学数据:a=0.93653(18)nm,b=1.6178(3)nm,c=1.7481(3)nm,β=91.332(3)°,V=2.6479(9)nm^(3),Z=4,Dcalcd=1.453g/cm^(3),F(000)=1208,R_(1)=0.0317,w R_(2)=0.0567。配合物中[K(18-C-6)],[K(H_(2)O)_(2)]和[Cd(CN)_(4)]基团通过K-N键和K^(+)-π相互作用形成三维网状结构。

One-dimensional Chain Crown Ether Complexes Synthesis and Crystal Structure of ([K(DB18-crown-6)]_(2)(CH_(3)CN))[Pt(SCN)_(4)]

The complexe{[K(DB18-crown-6)]_(2)(CH_(3)CN)}[Pt(SCN)_(4)]was synthesized and characterized by elemental analysis,IR spectrum and X-ray diffraction analysis.The complexe belongs to monoclinic,space group c2/c with cell dimensions,a=2.5904(8),6=1.3653(4),c-1.84706(6)nm,β=123.811(4)°,V=5-339(3)nm^(3),Z=4,.Dcalcd=l.577 g/cm^(3),F(000)=2552,R_(1)=0.051 l,wR_(2)=0.1411.The complexe shows one-dimensional chain of{[K(DB18-crown-6)]+complex cation and[Pt(SCN),i]2-complex anion bridged by N atom of CHaCN moleculer between two[K(DB18-crown-6)]_(2)[Pt(SCN)_(4)]groups respectively.