Structural studies of lanthanide ion complexes of pure gold, pure silver and mixed metal (gold silver) dicyanides

被引：43

作者：

Colis, JCF

Larochelle, C

Staples, R

Herbst-Irmer, R

Patterson, H ^{[1
]}

机构：

[1] Univ Maine, Dept Chem, Orono, ME 04469 USA

[2] Franklin & Marshall Coll, Dept Phys, Lancaster, PA 17604 USA

[3] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA

[4] Univ Gottingen, Dept Struct Chem, D-37077 Gottingen, Germany

来源：

DALTON TRANSACTIONS | 2005年 / 04期

关键词：

D O I：

10.1039/b413967d

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Crystal structures of four lanthanide complexes of La [Au(CN)(2)](3) . 3H(2)O, La [Ag(CN)(2)](3) . 3H(2)O, La [Ag0.83Au0.17(CN)(2)](3) . 3H(2)O, and La [Ag0.39Au0.61(CN)(2)](3) . 3H(2)O are reported. Studies reveal that all the structures reported are isostructural. All systems were found to be in the hexagonal crystal system, space group P6(3)/mcm. The metal metal distance for the pure gold system is 3.332 ( 1) Angstrom versus 3.359( 1) Angstrom for the pure silver system. The mixed-metal systems have shown no distinct differences in the location of the metal atoms, with the La [Ag0.83Au0.17(CN)(2)](3) . 3H(2)O complex having a metal metal Ag-Au separation of 3.346( 1) Angstrom, and 3.344( 1) Angstrom for the La [Ag0.39Au0.61(CN)(2)](3) . 3H(2)O complex. The crystal structures of the pure and mixed La complexes have been solved to provide evidence of Ag-Au heterometallic interactions and as a basis for understanding the interesting optical properties of the systems.

引用

页码：675 / 679

页数：5

共 51 条

[1] PIEZOELECTRIC KCO[AU(CN)2]3 - ROOM-TEMPERATURE CRYSTAL-STRUCTURE OF A COBALT-HARDENED GOLD ELECTRODEPOSITION PROCESS COMPONENT [J].