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Noncovalent supramolecular interactions in the crystal structure of 2-amino-3,5-dibromo-4,6-dimethylpyridinium tetrabromocadmate(II)

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Reaction of 2-amino-4,6-dimethylpyridine with cadmium chloride, HBr and Br2 in ethanol yeilds bis(2-amino-3,5-dibromo-4,6-dimethylpyridinium) tetrabromocadmate(II). The complex crystallizes in the monoclinic space group P21/c, with tetrahedral distortion of the \({\rm CdBr}_4^{2 - }\) ion. The cations are arranged in a zig-zag chains that are held together via Br···Br, Br···π, π···Br···π and π-π interactions. Extensive \({\rm CdBr}_4^{2 - }\)···cation interactions were found and represented in different Br···HN (pyridinic and aminic) and Br···HCH2 hydrogen bonding along with Br···Br motifs.

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Acknowledgment

Financial support provided by Al al-Bayt University and Al-Balqa'a Applied University is gratefully acknowledged.

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Authors and Affiliations

  1. Faculty of Science and IT, Al-Balqa’a Applied University, Salt, Jordan

    Rawhi Al-Far

  2. Department of Chemistry, Al al-Bayt University, Mafraq, Jordan

    Basem F. Ali

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  1. Rawhi Al-Far
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  2. Basem F. Ali
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Correspondence to Basem F. Ali.

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Supplementary materials

CCDC 293265 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/data_request/cif, by e-mailing data_request@ccdc.cam.ac.uk, or by contacting The Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, UK; fax: +44(0)1223-336033.

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Al-Far, R., Ali, B.F. Noncovalent supramolecular interactions in the crystal structure of 2-amino-3,5-dibromo-4,6-dimethylpyridinium tetrabromocadmate(II). J Chem Crystallogr 37, 333–341 (2007). https://doi.org/10.1007/s10870-006-9161-x

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  • DOI: https://doi.org/10.1007/s10870-006-9161-x

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