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双核三螺旋铁配合物的合成和结构(英文) 被引量：1

Synthesis and Crystal Structure of Triple-Helical Di-iron(Ⅲ) Complex
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摘要 本文选择了2-羟基-1-萘醛与水合肼形成的席夫碱,犤(HO)(C10H6)CH=N-N=CH(C10H6)(OH)犦,作为配体,设计组装了双核三螺旋的三价铁配合物。配合物中每一个铁离子以准八面体的配位方式分别与三个NO双齿单元配位,三个配体分别桥联两个金属形成特定的三螺旋构型。分子内和分子间的π-π堆积作用对螺旋体的形成和堆积方式起着十分重要的作用。作为对照,本文还报道了配体的晶体结构。 The self-assembly and structural ch aracterization of the new iron(Ⅲ) molecular helix Fe 2 L 3 was achieved from an inexpensive and easy-to-prepare bis-bidentate Schiff base ligand,H 2 L,[(HO)(C 10 H 6 )CH =N-N =CH(C 10 H 6 )(OH)].The triple helical Fe 2 L 3 molecule contains two iron*#atoms and three ligands.Each metal center is bound to three bidentate NO units to attain a pseudo-octahedral co-ordination geometry.The ligand wraps in a helic al arrangement around the two metal ion s.It is suggested that the intramole cular and intermolecularπ-πstacking interactions play important roles i n the metal-assisted self-assembli ng process.Crystal structure of the free ligand was also reported for comparison.CCDC:197370,197371.
作者 郭栋 李继辉 谢婧婧 段春迎 孟庆金
机构地区 南京大学配位化学研究所
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2002年第12期1215-1220,共6页 Chinese Journal of Inorganic Chemistry
基金 国家自然科学基金资助项目(No.20131020)。
关键词 双核三螺旋铁配合物 合成 席夫碱 晶体结构 分子堆积 Π-Π堆积作用 triple-helix schiff-base crystal structure molecular packi ng
分类号 O614.811 [理学—无机化学]
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参考文献15

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同被引文献15

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无机化学学报
2002年 第12期

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