The New Homoleptic Tetracyanamidoaluminate LiBa2[Al(CN2)4]

被引：7
|
作者：
Unverfehrt, Leonid [1 ]
Stroebele, Markus [1 ]
Meyer, H. -Juergen [1 ]
机构：
[1] Univ Tubingen, Inst Anorgan Chem, Abt Festkorperchem & Theoret Anorgan Chem, D-72076 Tubingen, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2013年 / 639卷 / 10期
关键词：
Solid state metathesis; Lithium; Crystal structure; STATE METATHESIS REACTIONS;
D O I：
10.1002/zaac.201300284
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The new tetracyanamidoaluminate LiBa2[Al(CN2)(4)] was prepared by solid state metathesis reaction in a fused copper ampoule from a mixture of BaF2, AlF3, and Li-2(CN2) at 550 degrees C. The crystal structure was solved and refined based on single-crystal X-ray diffraction data [P2(1)2(1)2(1), Z = 4, a = 6.843(1) angstrom, b = 11.828(2) angstrom, c = 11.857(2) angstrom]. The compound belongs to the known formula type LiM2[Al(CN2)(4)] (M = Sr, Eu) containing the homoleptic [Al(CN2)(4)](5) ion. However, LiBa2[Al(CN2) 4] forms a distinct crystal structure, containing a two-dimensional [(NCN)(2/2)Li(NCN)(2)Al(NCN)(2/2)] network with four-coordinate Li+ and Al3+ ions. Two crystallographically independent Ba2+ ions are situated in eightfold environment of terminal nitrogen atoms of cyanamide ions.
引用
收藏
页码：1722 / 1725
页数：4
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