SYNTHESIS AND STRUCTURE OF BA-10[TI4N12], A TERNARY NITRIDE WITH TETRANUCLEAR CYCLIC NITRIDOTITANATE IONS

被引：11

作者：

SEEGER, O

STRAHLE, J

机构：

[1] Institut Für Anorganische Chemie, Universität Tübingen, D‐72076

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1995年 / 621卷 / 05期

关键词：

BARIUM NITRIDO TITANATE; BA-10[TI4N12; SYNTHESIS; CRYSTAL STRUCTURE;

D O I：

10.1002/zaac.19956210512

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ba-10[Ti4N12] results from the reaction of Ba3N2, TiN2 and N-2 at 980 degrees C. It crystallizes in the triclinic space group P $($) over bar$$ 1 with the lattice parameters a=644.3(4); b=942.9(7); c=966.9(7)pm, alpha=106.37(4)degrees; beta=102.22(4)degrees; gamma= 108.56(4)degrees, Z=1. The crystal structure is built up by Ba2+ cations and tetranuclear cyclic nitridotitanate(IV) anions. In the anions four TiN4 tetrahedra are each connected by two corners to form centrosymmetrical rings, which are stacked along [100] forming tubes. The Ti-N distances range from 192 to 199 pm.

引用

页码：761 / 764

页数：4

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