CA6GAN5 AND CA6FEN5 - COMPOUNDS CONTAINING [CO3]2--ISOSTERIC ANIONS [GAN3]6- AND [FEN3]6-

被引：72
作者：
CORDIER, G [1 ]
HOHN, P [1 ]
KNIEP, R [1 ]
RABENAU, A [1 ]
机构：
[1] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1990年 / 591卷 / 12期
关键词：
D O I：
10.1002/zaac.19905910107
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The isotypic phases Ca6GaN5 and Ca6FeN5 (hexagonal, P6(3)/mcm; a = 627.7(3)/623,7(1) pm, c = 1219.8(3)/1233.2(6) pm; Z = 2) are prepared by reaction of Ca/Ga mixtures (molar ratio 6:1) and Fe/Ca3N2/Ca mixtures (molar ratios from 3:1:13 to 5:2:15) with nitrogen at temperatures of 850-degrees-C and 950-degrees-C to 1100-degrees-C, respectively. The structures contain trigonal-planar anions [MN3]6 which are isosteric to carbonate ions (Ga-N: 195,1(28) pm; Fe-N: 177,0(15) pm). The structures are closely related to those of compounds of the hydrotalcite group.
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页码：58 / 66
页数：9
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