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Issue 64, 2014
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A cyano and end-to-end azido bridged 3D copper(II)–copper(I) mixed-valence coordination polymer and its transformation to copper nitride nanoparticles

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Abstract

A new cyano and end-to-end azido bridged 3D copper(II)–copper(I) mixed valence polymer, {[Cu5(CN)6(NH3)6(N3)2]}n (1), copper-azide systems without cyanide {[Cu(NH3)2(N3)2]4}n (2), and a cyano-bridged copper analogue without azide {[Cu3(NH3)3(CN)4]}n (3) have been prepared and their structures have been revealed by X-ray crystallography. The cyano groups acting as μ22 and azido anions have a rare asymmetric μ-1,1,3 bridging mode connecting the copper centers in 1 to form an infinite 3-D layered motif, whereas 2 consists of one dimensional polymer chains bridged by two azide moieties in μ-1 and μ-1,1,3 modes and 3 is a two dimensional CuIICuI infinite polymeric network formed by cyanide bridges. The solid-state transformation of all the three compounds has also been investigated. The present investigation suggests application of {[Cu5(CN)6(NH3)6(N3)2]}n (1) as a precursor for copper nitride nanoparticles.

Graphical abstract: A cyano and end-to-end azido bridged 3D copper(ii)–copper(i) mixed-valence coordination polymer and its transformation to copper nitride nanoparticles

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Publication details

The article was received on 19 Jun 2014, accepted on 29 Jul 2014 and first published on 29 Jul 2014


Article type: Paper
DOI: 10.1039/C4RA05980H
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RSC Adv., 2014,4, 34110-34116

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    A cyano and end-to-end azido bridged 3D copper(II)–copper(I) mixed-valence coordination polymer and its transformation to copper nitride nanoparticles

    M. Trivedi, G. Singh, A. Kumar and N. P. Rath, RSC Adv., 2014, 4, 34110
    DOI: 10.1039/C4RA05980H

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