The title complex was synthesized by dissolving tyrosine (tyr) in an aqueous solution ofNd(ClO4)3 at NpH5, and its crystal stfucture was determined by X-ray diffraction methods. Thecomplex is a novel pentadecanuclear ...The title complex was synthesized by dissolving tyrosine (tyr) in an aqueous solution ofNd(ClO4)3 at NpH5, and its crystal stfucture was determined by X-ray diffraction methods. Thecomplex is a novel pentadecanuclear with the 15 Nd3+ ions connected by μ3-OH- ions. The tyrosineligands are all in their anionic form, and each coordinates to the neodymium ions via the nitrogenatom of the amino group and the two carboxyl oxygen atoms. The molecule a barrel structure.展开更多
A series of polynuclear lanthanide(Ln)complexes were prepared by the hydrolysis of lanthanide ions using L-histidine as a supporting ligand.Halide ions(X^(−)=Cl^(−),Br^(−),and I^(−))have been found to play a major rol...A series of polynuclear lanthanide(Ln)complexes were prepared by the hydrolysis of lanthanide ions using L-histidine as a supporting ligand.Halide ions(X^(−)=Cl^(−),Br^(−),and I^(−))have been found to play a major role in templating the assembly of pentadecanuclear complexes for Nd(III)and Gd(III)with the definitive evidence ofμ5-X^(−)in the cluster core formed by five corner-shared cubane units of[Ln_(4)(μ_(3)-OH)_(4)]^(8+).展开更多
文摘The title complex was synthesized by dissolving tyrosine (tyr) in an aqueous solution ofNd(ClO4)3 at NpH5, and its crystal stfucture was determined by X-ray diffraction methods. Thecomplex is a novel pentadecanuclear with the 15 Nd3+ ions connected by μ3-OH- ions. The tyrosineligands are all in their anionic form, and each coordinates to the neodymium ions via the nitrogenatom of the amino group and the two carboxyl oxygen atoms. The molecule a barrel structure.
基金supported by the National Natural Science Foundation of China(no.21971106)the Shenzhen Nobel Prize Scientists Laboratory Project(C17783101),the Stable Support Project of Key Research Plan of Shenzhen,and startup fund from SUSTech.The crystallographic assistance on the first batch of crystals by Dr.S.Roberts,G.Hall,G.S.Nichol,and P.Wei is gratefully acknowledged.
文摘A series of polynuclear lanthanide(Ln)complexes were prepared by the hydrolysis of lanthanide ions using L-histidine as a supporting ligand.Halide ions(X^(−)=Cl^(−),Br^(−),and I^(−))have been found to play a major role in templating the assembly of pentadecanuclear complexes for Nd(III)and Gd(III)with the definitive evidence ofμ5-X^(−)in the cluster core formed by five corner-shared cubane units of[Ln_(4)(μ_(3)-OH)_(4)]^(8+).
