An unprecedented copper(I,II)–octacyanotungstate(V) 2-D network: crystal structure and magnetism of [CuII(tren)]{CuI[WV(CN)8]}·1.5H2O

Tomasz Korzeniak; Katarzyna Stadnicka; Robert Pełka; Maria Bałanda; Krzysztof Tomala; Kazimierz Kowalski; Barbara Sieklucka

doi:10.1039/B502308D

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An unprecedented copper(i,ii)–octacyanotungstate(v) 2-D network: crystal structure and magnetism of [Cu^II(tren)]{Cu^I[W^V(CN)₈]}·1.5H₂O†

Tomasz Korzeniak,^a Katarzyna Stadnicka,^a Robert Pełka,^b Maria Bałanda,^b Krzysztof Tomala,^c Kazimierz Kowalski^d and Barbara Sieklucka*^a

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* Corresponding authors

^a Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
E-mail: siekluck@chemia.uj.edu.pl
Fax: +48 12 634 05 15
Tel: +48 12 663 20 36

^b H. Niewodniczański Institute of Nuclear Physics PAN, Radzikowskiego 152, 31-342 Kraków, Poland

^c M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland

^d Faculty of Metallurgy and Materials Science, AGH – University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland

Abstract

A novel two-dimensional cyanide-bridged polymer [Cu^II(tren)]{Cu^I[W^V(CN)₈]}·1.5H₂O (tren = tris(2-aminoethyl)amine) formed via the simultaneous in situ metal–ligand redox reaction of [Cu(tren)(OH₂)]²⁺ and self-assembly with [W^V(CN)₈]³⁻ consists of a {Cu^I[W^V(CN)₈]} square grid built of Cu^I centres of tetrahedral geometry coordinatively saturated by CN bridges and [W^V(CN)₈]³⁻ capped by [Cu^II(tren)]²⁺ moieties; it exhibits ferromagnetic coupling J₁ = +5.8(1) cm⁻¹ within the Cu^II–W^V dinuclear subunits and weak antiferromagnetic coupling J₂ = −0.03(1) cm⁻¹ between them through diamagnetic Cu^I spacers.

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Article information

DOI: https://doi.org/10.1039/B502308D
Article type: Communication
Submitted: 15 Feb 2005
Accepted: 14 Apr 2005
First published: 28 Apr 2005

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Chem. Commun., 2005, 2939-2941

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An unprecedented copper(I,II)–octacyanotungstate(V) 2-D network: crystal structure and magnetism of [Cu^II(tren)]{Cu^I[W^V(CN)₈]}·1.5H₂O

T. Korzeniak, K. Stadnicka, R. Pełka, M. Bałanda, K. Tomala, K. Kowalski and B. Sieklucka, Chem. Commun., 2005, 2939 DOI: 10.1039/B502308D

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