Synthesis and crystal structure of KLa[C(CN)(3)](4)center dot H2O containing a shielded potassium ion

Srinivasan R; Tragl S; Meyer HJ

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Synthesis and crystal structure of KLa[C(CN)(3)](4)center dot H2O containing a shielded potassium ion

机译：含屏蔽钾离子的KLa [C（CN）（3）]（4）中心点H2O的合成和晶体结构

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KLa[C(CN)(3)](4)-H2O was crystallized from an aqueous solution containing La(NO3)(3)-6H(2)O and K[C(CN)(3)]. The crystal structure was solved and refined from X-ray single crystal data (P4, Z = 2, a = b = 12.379(1) &ANGS;, c = 6.5695(8) &ANGS;, V = 1006.7(2) &ANGS;(3)). Solid KLa[C(CN)(3)](4)-H2O forms a framework structure with bridging tricyanomethanide ions, each of them connecting two La3+ ions and one K+ ion. Potassium is apparently situated in a tetrahedral environment with four K-N distances of 2.741(3) &ANGS;, shielded by four other tricyanomethanide ions. Each La3+ has a square antiprismatic coordination of nitrogen atoms from eight [C(CN)(3)](-) ions, and this antiprism is mono-capped by one water molecule.

机译：KLa [C（CN）（3）]（4）-H2O从含有La（NO3）（3）-6H（2）O和K [C（CN）（3）]的水溶液中结晶。从X射线单晶数据（P4 / n，Z = 2，a = b = 12.379（1）＆ANGS ;, c = 6.5695（8）＆ANGS ;, V = 1006.7（2）＆ANGS ;（3））。固态KLa [C（CN）（3）]（4）-H2O形成带有桥连的三氰胺离子的骨架结构，它们各自连接两个La3 +离子和一个K +离子。钾显然位于四面体环境中，四个K-N距离为2.741（3）＆ANGS ;，被其他四个三氰胺离子屏蔽。每个La3 +都有来自八个[C（CN）（3）]（-）离子的氮原子的方形反棱镜配位，并且该反棱镜被一个水分子单峰覆盖。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2005年第7期|共4页
作者
Srinivasan R; Tragl S; Meyer HJ;
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正文语种 eng
中图分类化学;
关键词
tricyanomethanide; lanthanum; synthesis; structure; MAGNETIC-PROPERTIES; DICYANAMIDE; TRICYANOMETHANIDE; M(DCA)(2); CYANAMIDE; OCTAHEDRA; COMPOUND; N(CN)(2); ANION; PR;

机译：三氰胺;镧;合成;结构;磁性;双氰胺;三氰甲基甲烷;M（DCA）（2）;氰胺;八面体;化合物;N（CN）（2）;阴离子;PR;

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Synthesis and crystal structure of KLa[C(CN)(3)](4)center dot H2O containing a shielded potassium ion

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