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Structure and characterization of charge transfer complexes of benzo[1,2-b:3,4-b′:5,6-b′′]trithiophene [C3h-BTT]

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Abstract

Four charge-transfer complexes of C3h-BTT (2) with the organic acceptors TCNQ, F4TCNQ, chloranil, and fluoranil were prepared and crystallographically characterized. All four complexes form mixed stacks of donors and acceptors in a 1 : 1 or 2 : 1 stoichiometry. The degree of charge transfer in these complexes was estimated based on bond distances, infrared spectroscopy, and magnetic properties. Of the four complexes, C3h-BTT·F4TCNQ exhibited the highest ionicity with ρ = 0.27e. All four complexes were diamagnetic.

Graphical abstract: Structure and characterization of charge transfer complexes of benzo[1,2-b:3,4-b′:5,6-b′′]trithiophene [C3h-BTT]

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Publication details

The article was received on 11 Aug 2017, accepted on 12 Oct 2017 and first published on 13 Oct 2017


Article type: Paper
DOI: 10.1039/C7CE01471F
Citation: CrystEngComm, 2017, Advance Article
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    Structure and characterization of charge transfer complexes of benzo[1,2-b:3,4-b′:5,6-b′′]trithiophene [C3h-BTT]

    Q. Qin, J. T. Mague, K. Z. Moses, E. M. Carnicom and R. J. Cava, CrystEngComm, 2017, Advance Article , DOI: 10.1039/C7CE01471F

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