为了合理设计和修饰1,4,7-三氮环壬烷配体以得到有特殊性质的功能配合物,合成了一个修饰1,4,7-三氮环壬烷的重要中间体化合物1,4-二(对甲苯磺酰基)-1,4,7-三氮环壬烷,并用X-射线晶体衍射的方法测定了该化合物的结构.结果表明,该化合物晶体属正交晶系,空间群为Pbcn,a=0.572 15(7)nm,b=1.373 74(17)nm,c=2.741 9(3)nm,V=2.155 1(5)nm3,Z=4,Mr=437.57,F(000)=928,Dc=1.349g/cm3,μ(MoKα)=0.710 73mm-1,R=0.084 4,wR=0.236 6.其中1 890个独立衍射点,1 100个I〉2σ(I)的可观察衍射点用于结构分析和结构修正.从晶体结构图可知,在此化合物中,两个苯环之间的二面角为37.1°,分子间通过C-H…O氢键进行堆积.
A key intermediate compound which modified 1, 4, 7-triazaeyclononane 1, 2 bis (ptoly- sulfonyl)-1,4,7-triazacyclononane was synthesized and characterized by X-ray structure determination. The result shows that this compound crystallizes in the Orthorhombie space group Pben with a=0. 572 15(7), b=1.373 74(17), c=2.741 9(3) nm, a=β=γ= 90.00°, V=2.155 1(5) nm3, Z=4, Mr= 437.57, F(000)=928, Dc=1. 349 g/cm3, μ(MoKα):0. 710 73 mm-1, the final R: 0. 084 4 and wR=0. 236 6 for 1 890 unique reflections with 1 103 observed ones (I〉2σ(I)). In the title compound, the dihedral angle between the two benzene rings is 37.1°. The crystal packing is dominated by C--H… O hydrogen bonds between organic molecules.