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Synthesis, crystal structures, and characterization of three mercury(II) halides inorganic–organic hybrid compounds with 1,4-diazabicyclo[2.2.2]octane ligand
- Source :
-
Inorganica Chimica Acta . Jan2011, Vol. 366 Issue 1, p141-146. 6p. - Publication Year :
- 2011
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Abstract
- Abstract: Three new hybrid mercury halides compounds with 1,4-diazabicyclo[2.2.2]octan (DABCO) ligand, namely, Hg2(μ2-I)2I3(H-DABCO) (1), {[Hg5(μ2-I)6I4(μ2-DABCO)2][Hg2I4(μ2-DABCO)]} n (2) and {[Hg2(μ2-Br)2Br2(μ2-DABCO)]·2(HgBr2)} n (3), have been synthesized. Compound 1 crystallizes in a P21 chiral space group and is a discrete dinuclear mercury(II) compound with inorganic Hg2(μ2-I)2I3 unit. Compound 2 consists of 1D neutral [Hg5(μ2-I)6I4(μ2-DABCO)2] n broad polymeric array containing uncommon inorganic decanuclear [Hg10(μ2-I)12I8] n clusters, and neutral guest Hg2(μ2-DABCO)I4 molecules. Compound 3 is composed of a neutral [Hg2(μ2-Br)2Br2(μ2-DABCO)] n polymeric chain and guest inorganic HgBr2 molecules. In all cases, the halide ions participate in the framework connectivity as bridging ligands. A variety of coordination geometries displayed by the metal sites such as linear, trigonal and tetrahedral are observed in these compounds. Of the three compounds, only compound 3 displays photoluminescence with a emission maximum at 528nm upon excitation at 468nm. In addition, these compounds are characterized by IR, elemental analysis, and thermogravimetric analysis. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00201693
- Volume :
- 366
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Inorganica Chimica Acta
- Publication Type :
- Academic Journal
- Accession number :
- 57300747
- Full Text :
- https://doi.org/10.1016/j.ica.2010.10.023