2.2.2-Cryptand as a bidentate ligand in rare-earth metal chemistry

被引：10

作者：

Chung, Amanda B. ^{[1
]}

Huh, Daniel N. ^{[1
]}

Ziller, Joseph W. ^{[1
]}

Evans, William J. ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA

来源：

INORGANIC CHEMISTRY FRONTIERS | 2020年 / 7卷 / 22期

基金：

美国国家科学基金会;

关键词：

MOLECULAR-COMPLEXES; X-RAY; COORDINATION CHEMISTRY; LANTHANIDE CHEMISTRY; REDUCTION SYSTEM; DINITROGEN; CRYSTAL; IONS; YTTERBOCENES; DERIVATIVES;

D O I：

10.1039/d0qi00746c

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The 2.2.2-cryptand ligand (crypt) that is heavily used in reductions of rare-earth metal complexes to encapsulate alkali metals has been found to function as a bidentate ligand to rare-earth metal ions in some cases. The X-ray crystal structures of the reduced dinitrogen metal complex, [{(R2N)(2)Ce(crypt-kappa(2)-O,O ')}(2)(mu-eta(2):eta(2)-N-2)] (R = SiMe3), and the ytterbium metallocene, (C5Me5)(2)Yb(crypt-kappa(2)-O,O '), are presented to demonstrate this binding mode. The implications of this available binding mode in rare-earth metal cryptand chemistry are discussed.

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页码：4445 / 4451

页数：7

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