Low-dimensional compounds containing cyanido groups. Part XXXIV. Structure, spectral and magnetic properties of the first complex with pyridylbenzimidazole and nonlinear pseudohalide anion

被引：1

作者：

Potocnak, Ivan ^{[1
]}

Bukrynov, Oleksandr ^{[2
]}

Kliuikov, Andrii ^{[3
]}

Cizmar, Erik ^{[3
]}

Vitushkina, Svitlana ^{[2
]}

Vahovska, Lucia ^{[4
]}

Samol'ova, Erika ^{[1
]}

机构：

[1] PJ Safarik Univ Kosice, Fac Sci, Inst Chem, Dept Inorgan Chem, Moyzesova 11, SK-04154 Kosice, Slovakia

[2] Kharkov Natl Univ, Fac Chem, Dept Appl Chem, Svobody Sq 4, UA-61022 Kharkov, Ukraine

[3] PJ Safarik Univ Kosice, Fac Sci, Inst Phys, Pk Angelinum 9, SK-04154 Kosice, Slovakia

[4] Univ Vet Med & Pharm Kosice, Dept Chem Biochem & Biophys, Inst Biochem, Komenskeho 73, SK-04184 Kosice, Slovakia

来源：

ZEITSCHRIFT FUR KRISTALLOGRAPHIE-CRYSTALLINE MATERIALS | 2018年 / 233卷 / 12期

关键词：

copper(II); crystal structure; dicyanamide; EPR and IR spectra; magnetic properties; CRYSTAL-STRUCTURE; NUCLEOPHILIC-ADDITION; IN-SITU; DICYANAMIDE; DICYANONITROSOMETHANIDE; LIGAND; CO(II); RELAXATION; ANISOTROPY; NETWORKS;

D O I：

10.1515/zkri-2018-2091

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

From the system CuCl2 - pbi - NaN(CN)(2)(-), polymeric [CuCl(mu(1.5)-dca)(pbi)](n) center dot nH(2)O (1) complex (dca = dicyanamide, pbi = 2-(2-pyridyl)benzimidazole) was isolated and characterized by structure analysis, spectral and magnetic measurements. Infrared spectroscopy confirmed the presence of pbi, dca and water molecules in 1. Its solid-state structure is formed by infinite chains running along the b axis. In the chain, the Cu(II) atom is penta-coordinated by two nitrogen atoms of chelate pbi ligand, by two nitrile nitrogen atoms of bridging mu(1.5)-dca and by chloride ligand which occupies the apical position of tetragonal pyramid around the Cu(II) atom. Asymmetric unit is supplemented by one molecule of solvated water, which along with chlorine atom serves as acceptors in intermolecular hydrogen bonds and along with pi-pi interactions create a 3D supramolecular structure. Magnetic measurements revealed the presence of a weak ferromagnetic exchange interaction J/k(B)= 0.11 K.

引用

页码：877 / 882

页数：6

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