Synthesis and crystal structure of a semiammoniate of sodium tetraamidozincate, Na2Zn(NH2)4•0.5NH3

被引：0

作者：

Frohling, B ^{[1
]}

Jacobs, H ^{[1
]}

机构：

[1] Univ Dortmund, Lehrstuhl Anorgan Chem 1, D-44221 Dortmund, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1998年 / 624卷 / 07期

关键词：

sodium tetraamidozincate semiammoniate; synthesis; crystal structure;

D O I：

10.1002/(SICI)1521-3749(199807)624:7<1148::AID-ZAAC1148>3.0.CO;2-3

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Experiments with the aim to sythesize Na2Zn(NH2)(4) from the corresponding metals in liquid ammonia at room temperature always resulted in an ammoniate of the composition Na2Zn(NH2)(4) . 0.5 NH3. Its X-ray single crystal structure determination was carried out: C2/c, Z = 24, a = 31.132(7), b = 6.114(3), c = 21.456(3), beta = 111.36(2)degrees, N(F-o) with (F-o)(2) greater than or equal to 3 sigma(F-o)(2) = 2740, N(parameters) = 279, R/R-w = 0.045/0.050. The description of the structure of Na2Zn(NH2)(4) . 0.5 NH3 can be derived from that of K2Zn(NH2)(4) [1]. Na2Zn(NH2)(4) . 0.5 NH3 contains isolated molecular ions [Zn(NH2)(4)](2-) connected by Na+ ions. Nitrogen atoms are distorted hexagonally close packed with Zn in tetrahedral and Na+ in octahedral interstices.

引用

页码：1148 / 1153

页数：6

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