Structure and properties of double complex salts [Co(NH3) 6][Fe(CN)6] and [Co(NH3)6] 2[Cu(C2O4)2]3

被引：14
作者：
Domonov D.P. [1 ]
Kuratieva N.V. [2 ,3 ]
Pechenyuk S.I. [1 ]
机构：
[1] I. V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Center, Russian Academy of Sciences, Apatity
[2] A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, Novosibirsk
来源：
Journal of Structural Chemistry | 2011年 / 52卷 / 2期
关键词：
Ammonia; Cobalt; Cuprum; Double complex salts; Intermetallic compounds; Iron; Ligands; Methane; Single crystal X-ray diffraction; Thermal decomposition;
D O I：
10.1134/S0022476611020168
中图分类号：
学科分类号：
摘要：
Double complex salts (DCSs) [Co(NH3)6][Fe(CN) 6] (I) and [Co(NH3)6]2[Cu(C 2O4)2]3 (II) and complex [Co(NH 3)6]2(C2O4) 3·4H2O (III) are synthesized and investigated by single crystal XRD, crystal optics, and elemental analysis. The crystalline phases of I, II, and III (R-3, P21/c, and Pnnm space groups respectively) have the following crystallographic characteristics: a = 10.9804(2) Å, b = 10.9804(2) Å, c = 10.8224(3) Å, V = 1130.03(4) Å3, Z = 3, dx = 1.65 g/cm3 (I); a = 9.6370(2) Å, b = 10.2452(2) Å, c = 13.2108(3) Å, V = 1932.90(9) Å3, Z = 2, dx= 1.97 g/cm3 (II), and a = 11.7658(3) Å, b = 11.7254(3) Å, c = 14.1913(4) Å, V = 1304.34(5) Å3, Z = 2, dx = 1.68 g/cm3 (III). This paper investigates the products of DCS thermolysis in a hydrogen atmosphere: the intermetallic compound CoFe with the bcc parameter a = 2.852 Å for I and a heterogeneous mixture of Co and Cu in the decomposition of II. The coordinated CN- and C2O 42- groups then turn into NH3, hydrocarbons, and CO2. The dominant hydrocarbon is methane. © 2011 by D. P. Domonov, N. V. Kuratieva, and S. I. Pechenyuk.
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页码：358 / 364
页数：6
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