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  

Novel Two-and Three-dimensional 18-Crown-6 Complexes with[Ni(dmit)_(2)]^(-)Bridged by Weak Interactions

作　　者：王大奇[1] 窦建民[1] 牛梅菊[1] 李大成[1] 刘颖[1] WANG Da-Qi;DOU Jian-Min;NIU Mei-Ju;LI Da-Cheng;LIU Ying(Department of Chemistry,Liaocheng University,Liaocheng252000)

机构地区：[1]聊城大学化学化工学院,聊城252000

出　　处：《化学学报》2002年第12期2145-2152,共8页Acta Chimica Sinica

摘　　要：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。The novel two-and three-dimensional 18-crown-6(18-C-6)complexes:{[K(18-C-6)]_(2)-(C_(2)H_(4)C_(l2))}[Ni(dmit)_(2)]_(2)(1)and[K(18-C-6)][Ni(dmit)_(2)]_(2)(dmit=4,5-dimereapto-1,3-dithiole-2-thione,C_(3)S_(5)^(2-))were synthesized and characterized by elemental analysis,IR spectrum and X-ray diffraction analysis.1 and 2 belong to triclinic,space group P 1 with cell dimensions of 1:a=1.0272(2)nm,b=1.2282(3)nm,c=1.4205(3)mn,alpha=113.473(3)degrees,beta=90.609(3)degrees,gamma=91.439(3)degrees,V=1.6430(6)nm(3),Z=2,F(000)=876,R-1=0.0503 and 2:a=0.8502(2)nm,b=1.2178(4)nm,c=1.5118(4)nm,alpha=86.454(5)degrees,beta=77.734(5)degrees,gamma=85.364(5)degrees,V=1.5228(8)nm(3),Z=2,F(000)=774,R,=0.0565.The complexes show two-or three-dimensional structure consisting of[K(18-C-6)]^(+)complex cations and[Ni(dmit)_(2)](-)complex anions bridged by(KS)-S-...,(KCl)-Cl-...,(SS)-S-...or(KS)-S-...,(SS)-S-...weak interactions.

关 键 词：二维、三维冠醚配合物 冠醚 18一冠一6 DMIT 合成与结构 

分 类 号：O641.4[理学—物理化学]