The structure and coordination properties of N,N bis(N methylene 2 pyrrolidinyl)alanine have been studied. The results show that the title compound is stable, the geometry calculated by AM1 is in good agreement with e...The structure and coordination properties of N,N bis(N methylene 2 pyrrolidinyl)alanine have been studied. The results show that the title compound is stable, the geometry calculated by AM1 is in good agreement with experimental results. The atoms of O(1),O(15), O(19),O(20) in the molecule bond easily with metallic atoms. So the title compound can form stable complex with rare earth metal ions.展开更多
The dinuclear complexes [Zn（MIMHA）]2（MIMHAH=N-[（1-methylimidazole-2-yl）methyl]-β-alanine） was prepared and characterized by single-crystal X-ray analysis.Crystal data:monlclineic,space group P21/c,a=8.792（2）,...The dinuclear complexes [Zn（MIMHA）]2（MIMHAH=N-[（1-methylimidazole-2-yl）methyl]-β-alanine） was prepared and characterized by single-crystal X-ray analysis.Crystal data:monlclineic,space group P21/c,a=8.792（2）,b=9.267（2）,c=16.942（2）?,β=99.5（2）,V=1351.6（2）?3,and Z=2.The zinc（Ⅱ） atom was co-ordinated in a tetrahedral geometry（N2Cl2）,which positions were occupied by one nitrogen atom and one oxygen atom from the ligand and two chlorine atoms.展开更多
The novel complexes n(ClO 4) n (MIMHA=N-[(1-methylimidazole-2-yl)methyl]-β-alanine)were prepared and characterized by Single-crystal X-ray analysis.Crystal data:monoclinic,Space group C2/c,a=24.68(2),b=7.601(3),c=14....The novel complexes n(ClO 4) n (MIMHA=N-[(1-methylimidazole-2-yl)methyl]-β-alanine)were prepared and characterized by Single-crystal X-ray analysis.Crystal data:monoclinic,Space group C2/c,a=24.68(2),b=7.601(3),c=14.137(10)*!,β=102.8(1),V=2586(3)*! 3,Z=8. The copper(Ⅱ) atoms has a planae-square (N 2O 2) geometry,which positions are occupied by two nitrogen atoms and one oxygen atom from the Schiff base ligand and the other carboxy oxygen atom from the adjacent ligand.The carboxylate groups acted in the bidentate syn-anti mode and bridges each pair of adjacent copper(Ⅱ) atoms( d Cu...Cu Ca 4.8*!) via the two equatorial positions,giving rise to one-dimensional (Cu-O-C-O-Cu) n skeletons.展开更多
文摘The structure and coordination properties of N,N bis(N methylene 2 pyrrolidinyl)alanine have been studied. The results show that the title compound is stable, the geometry calculated by AM1 is in good agreement with experimental results. The atoms of O(1),O(15), O(19),O(20) in the molecule bond easily with metallic atoms. So the title compound can form stable complex with rare earth metal ions.
文摘The dinuclear complexes [Zn（MIMHA）]2（MIMHAH=N-[（1-methylimidazole-2-yl）methyl]-β-alanine） was prepared and characterized by single-crystal X-ray analysis.Crystal data:monlclineic,space group P21/c,a=8.792（2）,b=9.267（2）,c=16.942（2）?,β=99.5（2）,V=1351.6（2）?3,and Z=2.The zinc（Ⅱ） atom was co-ordinated in a tetrahedral geometry（N2Cl2）,which positions were occupied by one nitrogen atom and one oxygen atom from the ligand and two chlorine atoms.
文摘The novel complexes n(ClO 4) n (MIMHA=N-[(1-methylimidazole-2-yl)methyl]-β-alanine)were prepared and characterized by Single-crystal X-ray analysis.Crystal data:monoclinic,Space group C2/c,a=24.68(2),b=7.601(3),c=14.137(10)*!,β=102.8(1),V=2586(3)*! 3,Z=8. The copper(Ⅱ) atoms has a planae-square (N 2O 2) geometry,which positions are occupied by two nitrogen atoms and one oxygen atom from the Schiff base ligand and the other carboxy oxygen atom from the adjacent ligand.The carboxylate groups acted in the bidentate syn-anti mode and bridges each pair of adjacent copper(Ⅱ) atoms( d Cu...Cu Ca 4.8*!) via the two equatorial positions,giving rise to one-dimensional (Cu-O-C-O-Cu) n skeletons.
