The Schiff base isonicotinaldehyde thiosemicarbazone prepared by the condensation of thiosemicarbazide with pyridine-4-carbaldehyde in ethanol,has been characterized by IR,UV-Vis,element analysis and its stucture dete...The Schiff base isonicotinaldehyde thiosemicarbazone prepared by the condensation of thiosemicarbazide with pyridine-4-carbaldehyde in ethanol,has been characterized by IR,UV-Vis,element analysis and its stucture determined by singl-crystal X-ray diffraction techniques from diffractometer data,Crystal of C7H8N4S is Monoclinic,space group P21/n,with unit cell parameters:a=7.241(1),b=13.963(2),c= 8.416(1),β=90.92°,V=850.91(44)3,Dc=1.407Mg/m3,Z=4,Mr=180.23,μ= 0.327mm-1,F(000)=376,final R1= 0.0315 and wR2= 0.0821(I>2 σ(I)).The crystal packing is stabilized by an extensive two dimensional double layer network of hydrogen bonds(N-H...N and N-H...S).展开更多
文摘The Schiff base isonicotinaldehyde thiosemicarbazone prepared by the condensation of thiosemicarbazide with pyridine-4-carbaldehyde in ethanol,has been characterized by IR,UV-Vis,element analysis and its stucture determined by singl-crystal X-ray diffraction techniques from diffractometer data,Crystal of C7H8N4S is Monoclinic,space group P21/n,with unit cell parameters:a=7.241(1),b=13.963(2),c= 8.416(1),β=90.92°,V=850.91(44)3,Dc=1.407Mg/m3,Z=4,Mr=180.23,μ= 0.327mm-1,F(000)=376,final R1= 0.0315 and wR2= 0.0821(I>2 σ(I)).The crystal packing is stabilized by an extensive two dimensional double layer network of hydrogen bonds(N-H...N and N-H...S).
