新型1D+1D钴共晶配合物[Co(bbbi)(4-mbc)_2]的合成、晶体结构及性质

Synthesis,crystal structure and property of a novel 1D+1D cobalt cocrystal coordination polymer [Co(bbbi)(4-mbc)_2]

利用水热法合成了一种新型的1D+1D钴共晶配合物[Co(bbbi)(4-mbc)2](bbbi=1,1-(1,4-丁基)二-1H-苯并咪唑,4-Hmbc=对甲苯甲酸).通过元素分析、IR、单晶X射线衍射对配合物的结构进行了表征.结果表明:该配合物属于单斜晶系,C2/c空间群;晶胞参数a=2.137 4(5)nm,b=4.589 3(5)nm,c=1.537 0(5)nm,α=90.000(5)°,β=125.467(5)°,γ=90.000(5)°,Z=16,V=12.279(5)nm3,R1=0.057 9,wR2=0.164 7.标题配合物有较好的热稳定性.在室温下该固态配合物表现出了弱的荧光性质.

A novel 1D＋1D cobalt cocrystal coordination polymer [Co（bbbi）（4-mbc）2]（bbbi=1,1-（1,4-butanediyl）bis-1H-benzimidazole,4-Hmbc=4-methylbenzoic acid） has been prepared under hydrothermal reaction and structurally characterized by elemental analyses,IR spectroscopy,and single-crystal X-ray diffraction analysis.The X-ray diffraction analysis indicates that title complex belongs to monoclinic,space group C2/c;a=2.137 4（5） nm,b=4.589 3（5） nm,c=1.537 0（5） nm,α=90.000（5）°,β=125.467（5）°,γ=90.000（5）°,Z=16,V=12.279（5） nm3,R1=0.057 9,wR2=0.164 7.The title complex exhibits good thermal stability and weak luminescence emission in the solid state at room temperature.