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Issue 8, 2007
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Mercury(II) coordination polymers generated from 1,4-bis(2 or 3 or 4-pyridyl)-2,3-diaza-1,3-butadiene ligands

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Abstract

A series of new polymeric mercury(II) complexes, [Hg(4-bpdb)(SCN)2]n (1), [Hg(3-bpdb)(SCN)2]n (2), [Hg(4-bpdb)Br2]n (3), [Hg(3-bpdb)Br2]n (4) and [Hg2(2-bpdb)Br4]n (5) {4-bpdb = 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene, 3-bpdb = 1,4-bis(3-pyridyl)-2,3-diaza-1,3-butadiene and 2-bpdb = 1,4-bis(2-pyridyl)-2,3-diaza-1,3-butadiene} was prepared from reactions of mercury(II) thiocyanate or bromide with three organic nitrogen donor-based ligands under thermal gradient conditions using the branched tube method. All these compounds were structurally characterized by single-crystal X-ray diffraction. The thermal stabilities of compounds 1–5 were studied by thermal gravimetric (TG) and differential thermal analyses (DTA).

Graphical abstract: Mercury(ii) coordination polymers generated from 1,4-bis(2 or 3 or 4-pyridyl)-2,3-diaza-1,3-butadiene ligands

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Publication details

The article was received on 19 Feb 2007, accepted on 20 Apr 2007 and first published on 10 May 2007


Article type: Paper
DOI: 10.1039/B702569F
Citation: CrystEngComm, 2007,9, 704-714
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    Mercury(II) coordination polymers generated from 1,4-bis(2 or 3 or 4-pyridyl)-2,3-diaza-1,3-butadiene ligands

    G. Mahmoudi, A. Morsali, A. D. Hunter and M. Zeller, CrystEngComm, 2007, 9, 704
    DOI: 10.1039/B702569F

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