Facile thermal desolvation of Ce-2(OPri)(8)(Pr-i OH)(2): Characterization and molecular structure of Ce-4(mu(4)-O)(mu(3)-OPri)(2)(mu-OPri)(4)(OPri)(8)

被引：38

作者：

Sirio, C

HubertPfalzgraf, LG

Bois, C

机构：

[1] UNIV NICE SOPHIA ANTIPOLIS,LAB CHIM MOL,URA CNRS,F-06108 NICE 2,FRANCE

[2] CHIM MET TRANSIT LAB,URA CNRS,F-75230 PARIS 05,FRANCE

来源：

POLYHEDRON | 1997年 / 16卷 / 07期

关键词：

cerium; oxoalkoxides; desolvation;

D O I：

10.1016/S0277-5387(96)00378-6

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Thermal treatment of Ce-2(OPri)(8)((PrOH)-O-i)(2) yielded Ce-4(mu(4)-O)(OPri)(14) by desolvation under mild conditions. The tetranuclear oxoalkoxide has been characterized by elemental analysis, FT-IR, H-1 NMR and X-ray diffraction. The structure is described as [Ce-4(mu(4)-O)(mu(3)-OPri)(2)(mu-OPri)(4)(OPri)(8)]. The Ce-4(mu(4)-O) core corresponds to a distorted flattened tetrahedron, with two hexa- and two hepta-coordinated metals. The Ce-O bond lengths spread over the range 2.03(2) to 2.54(1) Angstrom, and follow the order Ce-OR < Ce-mu OR < Ce mu(3)-OR. Copyright (C) 1997 Elsevier Science Ltd.

引用

页码：1129 / 1136

页数：8

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