Publication: Bis[2,6-bis(2-methoxyphenyl)pyridinium] di-μ-bromido-bis- [dibromidocuprate(II)]
Issued Date
2011-03-01
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ISSN
16005368
16005368
16005368
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2-s2.0-79952431570
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Mahidol University
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SCOPUS
Bibliographic Citation
Acta Crystallographica Section E: Structure Reports Online. Vol.67, No.3 (2011)
Suggested Citation
Preeyanuch Sangtrirutnugul, Setsiri Haesuwannakij, Thanasat Sooksimuang, Samran Prabpai, Palangpon Kongsaeree Bis[2,6-bis(2-methoxyphenyl)pyridinium] di-μ-bromido-bis- [dibromidocuprate(II)]. Acta Crystallographica Section E: Structure Reports Online. Vol.67, No.3 (2011). doi:10.1107/S1600536811003588 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/11726
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Title
Bis[2,6-bis(2-methoxyphenyl)pyridinium] di-μ-bromido-bis- [dibromidocuprate(II)]
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Abstract
The title salt, (C 19 H 18 NO 2 ) 2 [Cu 2 Br 6 ], was obtained from an attempt to synthesize the copper(II) complex of 2,6-bis(2-methoxyphenyl)pyridine (L) from a reaction between CuBr 2 and one equivalent of L in CH 2 Cl 2 at room temperature. The resulting compound is the salt of the 2,6-bis(2-methoxyphenyl)pyridinium cation and 0.5 equivalents of a hexa-bromido-dicuprate(II) dianion. Both methoxy groups of the cationic pyridinium moiety are directed towards the N atom of the pyridine ring as a result of intra-molecular N - H⋯O hydrogen bonds. The centrosymmetric hexabromidodicuprate dianion possesses a distorted tetrahedral geometry at the copper ion. The Cu - Br bond lengths are 2.3385 (7) and 2.3304 (7) Å for the terminal bromides, whereas the bond length between the Cu atom and two bridging bromides is slightly longer [2.4451 (6) Å].