A complex,namely[Cu_(4)(L)_(2)(CH_(3)O)_(2)(CH_(3)OH)_(4)(SO_(4))_(2)]SO_(4)·6CH_(3)OH(1)(L=N,N′-bis-(1-(3-ethyl-pyrazin-2-yl)-ethylidene)-hydrazine)has been synthesized and characterized by single-crystal X-ray...A complex,namely[Cu_(4)(L)_(2)(CH_(3)O)_(2)(CH_(3)OH)_(4)(SO_(4))_(2)]SO_(4)·6CH_(3)OH(1)(L=N,N′-bis-(1-(3-ethyl-pyrazin-2-yl)-ethylidene)-hydrazine)has been synthesized and characterized by single-crystal X-ray diffraction,elemental analysis and IR spectroscopy.X-ray diffraction analysis results show that in complex 1,each Cu(Ⅱ)center with a distorted octahedron geometry is coordinated by two N atoms from one pyrazin-2-yl-ethylideneamine subunit,and four O atoms involving one O atom from one neutral methanol,oneμ2-bridged O atom from one methoxy anion,oneμ2-bridged O and one monodentate O atoms from two independent sulfate anions,thus forming an ideal planar four-membered Cu4 core.In addition,the fluorescence spectra indicate that the interaction of complex 1 with DNA is stronger than that of the ligand L.CCDC:1844807,L;1844806,1.展开更多
文摘A complex,namely[Cu_(4)(L)_(2)(CH_(3)O)_(2)(CH_(3)OH)_(4)(SO_(4))_(2)]SO_(4)·6CH_(3)OH(1)(L=N,N′-bis-(1-(3-ethyl-pyrazin-2-yl)-ethylidene)-hydrazine)has been synthesized and characterized by single-crystal X-ray diffraction,elemental analysis and IR spectroscopy.X-ray diffraction analysis results show that in complex 1,each Cu(Ⅱ)center with a distorted octahedron geometry is coordinated by two N atoms from one pyrazin-2-yl-ethylideneamine subunit,and four O atoms involving one O atom from one neutral methanol,oneμ2-bridged O atom from one methoxy anion,oneμ2-bridged O and one monodentate O atoms from two independent sulfate anions,thus forming an ideal planar four-membered Cu4 core.In addition,the fluorescence spectra indicate that the interaction of complex 1 with DNA is stronger than that of the ligand L.CCDC:1844807,L;1844806,1.