The 2:2 complexes between lighter rare earth nitrates and N,N,N',N'-tetraphenyl-3,6- dioxaoctanedioicdiamide(TDD),[RE(TDD)_2(H_2O)_2][RE(NO_3)_6]1—4(1,2,3,4 for RE=La,Ce,Pr, Nd,respectively)and[Ce(TDD)_2(H_2O...The 2:2 complexes between lighter rare earth nitrates and N,N,N',N'-tetraphenyl-3,6- dioxaoctanedioicdiamide(TDD),[RE(TDD)_2(H_2O)_2][RE(NO_3)_6]1—4(1,2,3,4 for RE=La,Ce,Pr, Nd,respectively)and[Ce(TDD)_2(H_2O)_2][Ce(NO_3)_6]·CH_3OH·2H_2O_5,have been synthesized and characterized.The crystal structure of 5 reveals that TDD acts as a tetradentate forming a half-ring coordi- nation structure.There is a little difference in the conformations of the two TDDs.The Ce ions are 10-and 12-coordinated for the complex cation and anion,respectively,and the coordination polyhedrons are a bi- capped distorted square antiprism and a distorted icosahedron,respectively.展开更多
基金the National Natural Science Foundation of Chinathe Doctoral Point Foundation of the State Education Commission of Chinathe Climb Plan Foundation of the State Science and Technology Commission of China
文摘The 2:2 complexes between lighter rare earth nitrates and N,N,N',N'-tetraphenyl-3,6- dioxaoctanedioicdiamide(TDD),[RE(TDD)_2(H_2O)_2][RE(NO_3)_6]1—4(1,2,3,4 for RE=La,Ce,Pr, Nd,respectively)and[Ce(TDD)_2(H_2O)_2][Ce(NO_3)_6]·CH_3OH·2H_2O_5,have been synthesized and characterized.The crystal structure of 5 reveals that TDD acts as a tetradentate forming a half-ring coordi- nation structure.There is a little difference in the conformations of the two TDDs.The Ce ions are 10-and 12-coordinated for the complex cation and anion,respectively,and the coordination polyhedrons are a bi- capped distorted square antiprism and a distorted icosahedron,respectively.