Low-dimensional compounds containing cyanido groups. XXVIII. Crystal structure, spectroscopic and magnetic properties of two copper(II) tetracyanidoplatinate complexes with 1,2-diaminopropane

被引：2

作者：

Vavra, Martin ^{[1
]}

Potocnak, Ivan ^{[1
]}

Dusek, Michal ^{[2
]}

Cizmar, Erik ^{[3
]}

Ozerov, Mykhaylo ^{[4
]}

Zvyagin, Sergei A. ^{[4
]}

机构：

[1] Safarik Univ, Fac Sci, Inst Chem, SK-04154 Kosice, Slovakia

[2] Inst Phys, CZ-18221 Prague 8, Czech Republic

[3] Safarik Univ, Fac Sci, Inst Phys, SK-04154 Kosice, Slovakia

[4] Helmholtz Zentrum Dresden Rossendorf, Dresden High Magnet Field Lab, D-01314 Dresden, Germany

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2015年 / 225卷

关键词：

Spectroscopic studies; Magnetic properties; Crystal structure; Pt(CN)(4)](2-) anion; 1,2-diaminopropane; THERMAL-PROPERTIES; CN-CU; NI;

D O I：

10.1016/j.jssc.2014.12.019

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Violet crystals of {[Cu(pn)(2)](2)[Pt(CN)(4)]}[Pt(cN)(4)] center dot 2H(2)O (1, pn=1,2-diaminopropane) and blue crystals of [Cu(pn)Pt(CN)(4)](n) center dot nH(2)O (2) were prepared under hydrothermal conditions and characterized using elemental analysis, IR and UV-vis spectroscopy and by X-ray crystal structure analysis. Different number of v(C equivalent to N) absorption bands of these two compounds reflects their different structures. An X-ray crystal structure analysis has shown that complex 1 is of ionic character and is formed from trinuclear [Cu(pn)(2)-Pt(CN)(4)-Cu(pn)(2)](2+) complex cation and discrete [Pt(CN)(4)](2-) anion together with two molecules of crystal water. On the other hand, complex 2 is of polymeric character and is formed by 2D networks of [Cu(pn)Pt(CN)(4)](n) composition and completed by n molecules of crystal water. Magnetic measurements show the presence of a weak antiferromagnetic exchange interaction in complex 1 (Theta=-0.2 K), while the magnetic susceptibility of complex 2 is well described by the model of uniform S=1/2 spin chain with exchange interaction J/k(B)=-1.64 K. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：202 / 208

页数：7

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