Synthesis and structures of magnesium alanate and two solvent adducts

被引：102

作者：

Fichtner, M ^{[1
]}

Fuhr, O ^{[1
]}

机构：

[1] Forschungszentrum Karlsruhe GmbH, Inst Nanotechnol, D-76021 Karlsruhe, Germany

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2002年 / 345卷 / 1-2期

关键词：

hydrogen absorbing materials; metal hydrides; chemical synthesis; X-ray diffraction;

D O I：

10.1016/S0925-8388(02)00478-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A synthesis and purification method for Mg(AlH4)(2) is presented, which is based on a metathesis reaction of NaAlH4 and MgCl2 in diethyl ether and subsequent purification procedure leading to a high yield of the monoether adduct of Mg(AlH4)(2). After removal of the solvent, the alanate has been obtained as a nanocrystalline material with a yield of 81% and a purity of 95%. Crystal structures were determined and discussed for the solvent adducts Mg(AlH4)(2).4THF and Mg(AIH(4))(2).Et2O. A proposition is made for the structure of Mg(AIH(4))(2). (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：286 / 296

页数：11

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