含2-羟基-1-萘甲醛半碳酰腙配位体的铜( Ⅱ) 配合物的合成与结构

SYSTHESIS AND STRUCTURE OF COPPER (Ⅱ) COMPLEX WITH 2 HYDROXO 1 NAPHTHALDEHYDE SEMICARBAZONE LIGAND

标题配位体 Ｈ２ Ｌ 和它的铜（ Ⅱ） 配合物［ Ｃｕ（ Ｈ Ｌ）（ｐｙ）２］（ Ｏ Ａｃ）（ Ｈ２ Ｏ）（ Ｈ Ｌ： Ｃ１２ Ｈ１０ Ｎ３ Ｏ２ 单负离子）已被合成与表征。配合物结构测定的结果表明晶体学不对称单元由结构相似的两套分子构成。在每个分子内，铜（ Ⅱ） 的四角锥形的配位多面体中 Ｈ Ｌ 和一吡啶分子配位于它的底面。结合红外谱图讨论了 Ｈ２ Ｌ 在配位中的去质子化作用。从而确定了文献所推测的该类配合物的结构。

he Schiff base ligand H\-2L(L=2 Hydro 1 naphthaldehyde semicarbazone) and its copper (Ⅱ) complex [Cu(HL)(py)\-2](OAC)(H\-2O) (HL=C\-\{12\}H\-\{10\}N\-3O\-2 anionic) have been synthesized and characterized. The structure determination indicates there are two independent complex molecules and some outer water and acetate molecules existed in the asymmetry unit. The two complex molecules have similar structure, in which the copper has a tetragonal pyramidal coordination, where HL and one pyridine ligand locate on the corners and the nitrogen atom from another pyridine occupies the pyramid position. The structure has been inferred in the previous literature and conformed here with. Combined the study with that from IR spectrum the deprotonation of the ligand in the complex is also discussed. \;