Molecular tectonics: p-H-thiacalix[4]arene pyridyl appended positional isomers as tectons for the formation of 1D and 2D mercury coordination networks

Three p-H-thiacalix[4]arene pyridyl appended coordinating tectons (2-4) in a 1,3-alternate conformation have been prepared and structurally characterised in the solid state. These compounds are positional isomers differing only by the position of the nitrogen atom on the pyridyl ring. Their combinat...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2013-07, Vol.42 (27), p.9946-9953
Main Authors: Ovsyannikov, A, Ferlay, S, Solovieva, S E, Antipin, I S, Konovalov, A I, Kyritsakas, N, Hosseini, M W
Format: Article
Language:English
Subjects:
Bridging
Chains
Chemical Sciences
Coordination chemistry
Formations
Interconnection
Isomers
Mercury - chemistry
Models, Molecular
Molecular Structure
Networks
Nitrogen atoms
Organometallic Compounds - chemical synthesis
Organometallic Compounds - chemistry
Phenols - chemistry
Stereoisomerism
Sulfides - chemistry
Two dimensional
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Summary:Three p-H-thiacalix[4]arene pyridyl appended coordinating tectons (2-4) in a 1,3-alternate conformation have been prepared and structurally characterised in the solid state. These compounds are positional isomers differing only by the position of the nitrogen atom on the pyridyl ring. Their combinations with HgCl2 lead to the formation of 1- and 2-D neutral mercury coordination networks. Whereas for tecton 2 (ortho isomer) a 2D architecture resulting from the bridging of consecutive tectons by the mononuclear HgCl2 unit is obtained, for tecton 3 (meta isomer) again a 2D network is formed. However, in that case, the interconnection of consecutive organic tectons 3 takes place through a binuclear Hg2Cl4 species. Finally, in the case of tecton 4 (para position), a 1D ribbon type double chain arrangement resulting from the bridging of consecutive tectons by trinuclear Hg3Cl6 units followed by the interconnection of two chains through the fusion of the trinuclear centres into a hexanuclear node is observed.
ISSN:1477-9226
1477-9234
DOI:10.1039/c3dt50577d