Hydrogen-bonded linear thiourea hexads in tetra-n-butylammonium terephthalate inclusion compounds

J E V Babb, N J Burke, A D Burrows, M F Mahon, D M K Slade

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The co-crystallisation of thiourea (tu) with tetra-n-butylammonium terephthalate gave either [NBu4](2)[C6H4(CO2)(2)-1,4].6tu.2H(2)O 1 or [NBu4](6)[C6H4(CO2)(2-)1,4](3).6tu.4H(2)O 2, depending on the solvent and stoichiometry employed. Both compounds have structures containing hydrogen-bonded linear thiourea hexads, though these hexads are connected via additional hydrogen bonds into a three-dimensional network in 1 and a two-dimensional sheet structure in 2. The compound [NBu4]Br.2tu 3, resulting from an impurity in one of the starting materials, has also been isolated and structurally characterised. An analysis of the Cambridge Structural Database has demonstrated that the flattened conformations observed for the NBu4+ cations in these compounds are not atypical.
Original languageEnglish
Pages (from-to)226-230
Number of pages5
JournalCrystEngComm
Volume5
DOIs
Publication statusPublished - 2003

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