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
收藏
页码：286 / 296
页数：11
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