简介概要

SYNTHESIS AND STRUCTURE DETERMINATION OF NEODYMIUM COMPLEXES WITH CYCLOHEXANECARBOXYLIC ACID

来源期刊:Journal of Rare Earths1990年第3期

论文作者:张德龙 黄春辉 徐光宪 杨健 林秀云 林政炯

文章页码:161 - 165

摘    要:<正> Two complexes,NdL3·2C2H5OH and NdL3·2H2O where L=cyclohexane-carboxylate anion,weresynthesized and the structure of the former was determined by the single-crystal X-ray diffration method.The crystal is triclinic,Pspace group with the cell parameters:a=1.2385(6),b=1.2385(6),c=0.9421(5)nm.α=91.69(4)°,β=98.49(4)°,γ=99.16(5)°,Z=2,V=1.436 nm3.The structure was refined to Rvalue of 0.0866.Each Nd atom is connected with other two Nd atoms by two bidentate and two tridentatecarboxyl groups to form a linear polymer.The Nd atom is further coordinated by a chelating carboxyl andtwo ethanol molecules.So the central atom is nine-coordinated with a distorted monocappedsquare-antiprism geometry.The infrared spectra and the thermal analysis of the complexes were alsostudied.

详情信息展示

SYNTHESIS AND STRUCTURE DETERMINATION OF NEODYMIUM COMPLEXES WITH CYCLOHEXANECARBOXYLIC ACID

张德龙,黄春辉,徐光宪,杨健,林秀云,林政炯

摘 要:<正> Two complexes,NdL3·2C2H5OH and NdL3·2H2O where L=cyclohexane-carboxylate anion,weresynthesized and the structure of the former was determined by the single-crystal X-ray diffration method.The crystal is triclinic,Pspace group with the cell parameters:a=1.2385(6),b=1.2385(6),c=0.9421(5)nm.α=91.69(4)°,β=98.49(4)°,γ=99.16(5)°,Z=2,V=1.436 nm3.The structure was refined to Rvalue of 0.0866.Each Nd atom is connected with other two Nd atoms by two bidentate and two tridentatecarboxyl groups to form a linear polymer.The Nd atom is further coordinated by a chelating carboxyl andtwo ethanol molecules.So the central atom is nine-coordinated with a distorted monocappedsquare-antiprism geometry.The infrared spectra and the thermal analysis of the complexes were alsostudied.

关键词:

<上一页 1 下一页 >

有色金属在线官网  |   会议  |   在线投稿  |   购买纸书  |   科技图书馆

中南大学出版社 技术支持 版权声明   电话:0731-88830515 88830516   传真:0731-88710482   Email:administrator@cnnmol.com

互联网出版许可证:(署)网出证(京)字第342号   京ICP备17050991号-6      京公网安备11010802042557号