The new dithiocarbamate 4-vinylbenzyl 9H-carbazole-9-carbodithioate was synthesized and characterized by means of 1H NMR,elemental analysis,FT-IR,and X-ray crystallography.The crystal structure is of triclinic,space g...The new dithiocarbamate 4-vinylbenzyl 9H-carbazole-9-carbodithioate was synthesized and characterized by means of 1H NMR,elemental analysis,FT-IR,and X-ray crystallography.The crystal structure is of triclinic,space group Pī,with a=9.4301(19) nm,b=9.518(2) nm,c=10.541(2),α=83.909(16) °,β=77.279(13)°,γ=79.312(14) °,V=904.8(3) nm3,Z=2,F(000)=376,Dc=1.319 mg/ m3,final R1=0.0731,wR2=0.1615 for 10164 observed reflections with I> 2σ(I).The thermal stability of the title compound was also studied.The main released gas product of the thermal decomposition of the title compound were possibly nitrogen,carbon sulfide and hydrogen sulfide,and the final solid product was 14.5% carbon leavings.展开更多
The adsorption mechanism of Cd 2+ onto cellulose pyrrolidinedithiocarboxylic ammomium(CC-APDC) has been studied. The results show that the coordination could increase the thermal stability of the cellulose and the ads...The adsorption mechanism of Cd 2+ onto cellulose pyrrolidinedithiocarboxylic ammomium(CC-APDC) has been studied. The results show that the coordination could increase the thermal stability of the cellulose and the adsorption occurs through a chelating reaction between Cd 2+ and O of OH from cellulose and S from pyrrolidine thiocarboxylic acid.展开更多
文摘The new dithiocarbamate 4-vinylbenzyl 9H-carbazole-9-carbodithioate was synthesized and characterized by means of 1H NMR,elemental analysis,FT-IR,and X-ray crystallography.The crystal structure is of triclinic,space group Pī,with a=9.4301(19) nm,b=9.518(2) nm,c=10.541(2),α=83.909(16) °,β=77.279(13)°,γ=79.312(14) °,V=904.8(3) nm3,Z=2,F(000)=376,Dc=1.319 mg/ m3,final R1=0.0731,wR2=0.1615 for 10164 observed reflections with I> 2σ(I).The thermal stability of the title compound was also studied.The main released gas product of the thermal decomposition of the title compound were possibly nitrogen,carbon sulfide and hydrogen sulfide,and the final solid product was 14.5% carbon leavings.
文摘The adsorption mechanism of Cd 2+ onto cellulose pyrrolidinedithiocarboxylic ammomium(CC-APDC) has been studied. The results show that the coordination could increase the thermal stability of the cellulose and the adsorption occurs through a chelating reaction between Cd 2+ and O of OH from cellulose and S from pyrrolidine thiocarboxylic acid.
