一个二维同手性双苯并咪唑基樟脑酸钴(Ⅱ)配位聚合物的合成与荧光性质

Synthesis and fluorescent property of a two- dimensional homochiral bis( benzimidazole)- based cobalt(Ⅱ)camphorate coordination polymer

Co（NO3）2·6H2O与D-樟脑酸（D-H2cam）和4,4＇-双（苯并咪唑-1-亚甲基）联苯（bbmmb）在水热条件下反应提供了一个配位聚合物[Co（D-cam）（bbmmb）]·H2O（1）.通过单晶X-射线衍射、元素分析、红外、粉末X-射线衍射及热重分析对配位聚合物1进行表征.结构分析揭示配位聚合物1结晶于正交空间群P212121,a=9.8786（9）A^°,b=17.5620（18）A^°,c=19.4752（19）A^°,α=90°,β=90°,γ=90°,V=3378.7（6）A^°3,Z=4,R1=0.0575,wR2=0.1097.配位聚合物1具有一个二维同手性层结构.bbmmb的柔韧性对配位聚合物1的同手性结构有重要影响.配位聚合物1的荧光性质被研究.

Reaction of Co（ NO3）2·6H2O with D- camphoric acid（ D- H2cam） and 4,4＇- bis（ benzimidazol- 1- ylmethyl） biphenyl（ bbmmb） under hydrothermal condition afforded one coordination polymer [Co（ D- cam）（ bbmmb） ]·H2O（ 1）,which was characterized by single- crystal X- ray diffraction,elemental analysis,IR,powder X- ray diffraction,and thermogravimetric analysis. Structural analysis reveals that coordination polymer 1 crystallizes in the orthorhombic space group P212121,a =9. 8786（ 9）A^°,b =17. 5620（ 18）A^°,c =19. 4752（ 19）A^°,α =90°,β =90°,γ =90°,V =3378. 7（ 6）A^°3,Z =4,R1= 0. 0575,wR2= 0. 1097. Coordination polymer 1possesses a two- dimensional homochiral layer structure. The flexibility of bbmmb has an important effect on the homochiral structure of 1. The fluorescent property of 1 was studied.