A Cd(Ⅱ) seven-coordinate dimmer [Cd(3,5-Me2PhCO2)2(phen)]2 has been synthesized with 3,5-dimethyl-benzoic acid and 1,10-phenanthroline.The crystal structure was determined by single-crystal X-ray diffraction.The crys...A Cd(Ⅱ) seven-coordinate dimmer [Cd(3,5-Me2PhCO2)2(phen)]2 has been synthesized with 3,5-dimethyl-benzoic acid and 1,10-phenanthroline.The crystal structure was determined by single-crystal X-ray diffraction.The crystal belongs to monoclinic system,space group C2/c with a=2.939 8(6) nm,b=1.032 9(2) nm,c=2.106 6(4) nm,β=125.423(3) °.The crystal structure shows that the cadmium ion is coordinated with five oxygen atoms and two nitrogen atoms,forming a distorted capped octahedral coordination geometry.There exist two types of coordinated 3,5-dimethylbenzoic carboxylic anions:the tridentate-chelating-bridging ones and the bidentate-chelating ones.The Cd(Ⅱ) …Cd(Ⅱ) distance is 0.395 7 nm.The result of TG analysis shows that the title complex was stable under 300.0 ℃.CCDC:694570.展开更多
文摘A Cd(Ⅱ) seven-coordinate dimmer [Cd(3,5-Me2PhCO2)2(phen)]2 has been synthesized with 3,5-dimethyl-benzoic acid and 1,10-phenanthroline.The crystal structure was determined by single-crystal X-ray diffraction.The crystal belongs to monoclinic system,space group C2/c with a=2.939 8(6) nm,b=1.032 9(2) nm,c=2.106 6(4) nm,β=125.423(3) °.The crystal structure shows that the cadmium ion is coordinated with five oxygen atoms and two nitrogen atoms,forming a distorted capped octahedral coordination geometry.There exist two types of coordinated 3,5-dimethylbenzoic carboxylic anions:the tridentate-chelating-bridging ones and the bidentate-chelating ones.The Cd(Ⅱ) …Cd(Ⅱ) distance is 0.395 7 nm.The result of TG analysis shows that the title complex was stable under 300.0 ℃.CCDC:694570.