Synthesis and Crystal Structure of Macrocyclic Dinuclear Nickel(Ⅱ) Hexaazacrown Ether Complex AITranslate

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Chinese Library Classification Number:TQ314.2[化学工程—高聚物工业]

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A dinuclear Ni（Ⅱ） crown ether complex[Ni2（L）Cl2]·H2O is introduced,and H2L in the molecular formula is substituted for 3,7,11,19,23,27-hexaaza-33,34-dihydroxyl-15,31-dimethyl-tricycle-tetratriacontane-1（32）,13,15,17（34）,29（33）,30-hexaene anion.The complex is prepared through the reaction of the ligand H2L with NiCl2·6H2O,and it is characterized by element analysis,IR spectrum and single crystal XRD.The results show that the complex is in the monoclinic system and the space group C2/c with a=2.766 7（4） nm,b=0.844 40（3） nm,c=1.875 9（4） nm,β=129.65（2）°,V=3.374 4（9） nm3,Z=4,F（000）=154 4,Dc=1.439 g/cm3,R1=0.051 6,wR2=0.101 9 [I2σ（I）].The dinuclear structural units of the complex are connected through the hydrogen bond N-H…Cl to form a one-dimensional supramolecular chain structure.