Issue 27, 2012

2[Co{1,4-C6H4(CN)2}2{NTf2}2][SnI{Co(CO)4}3]2 – a 2D coordination network with an intercalated carbonyl cluster

Abstract

Dark red transparent crystals of [Co{1,4-C6H4(CN)2}2{NTf2}2][SnI{Co(CO)4}3]2 are obtained by reacting SnI4, Co2(CO)8 and 1,4-C6H4(CN)2 in the ionic liquid [EMIm][NTf2] (EMIm: 1-ethyl-3-methylimidazolium; NTf2: bis(trifluoromethylsulfonyl)imide). According to X-ray structure analysis based on single crystals, the title compound crystallizes in a triclinic manner and contains the novel 2[Co{1,4-C6H4(CN)2}2{NTf2}2] coordination network. This infinite 2D network is composed of Co2+ ions that are planarily interlinked by four 1,4-dicyanobenzene ligands. As a non-charged 2D network, Co2+ is furthermore coordinated by two [NTf2] anions. The 2[Co{1,4-C6H4(CN)2}2{NTf2}2] layers are stacked on top of each other with SnI[Co(CO)4]3 molecules intercalated in distorted cubic gaps between the layers. The title compound is furthermore characterized by energy dispersive X-ray (EDX) analysis, thermogravimetry (TG), infrared spectroscopy (FT-IR) and optical spectroscopy (UV-Vis).

Graphical abstract: 2 ∞ [Co{1,4-C6H4(CN)2}2{NTf2}2][SnI{Co(CO)4}3]2 – a 2D coordination network with an intercalated carbonyl cluster

Supplementary files

Article information

Article type
Paper
Submitted
21 Feb 2012
Accepted
15 May 2012
First published
16 May 2012

Dalton Trans., 2012,41, 8455-8459

2[Co{1,4-C6H4(CN)2}2{NTf2}2][SnI{Co(CO)4}3]2 – a 2D coordination network with an intercalated carbonyl cluster

S. Wolf and C. Feldmann, Dalton Trans., 2012, 41, 8455 DOI: 10.1039/C2DT30411B

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