2,5-Dibromopyridinium hexabromidostannate(IV)

The asymmetric unit of the title compound, (C5H5BrN)2[SnCl6], contains one cation and one half-anion. The [SnCl6]2− anion is located on an inversion center and forms a quasi-regular octahedral arrangement. Hydrogen-bonding interactions of two kinds, viz. N—H⋯Cl—Sn and C—H⋯Cl—Sn, along with Cl⋯Br interactions [3.4393 (15) Å], connect the ions in the crystal structure into two-dimensional supramolecular arrays. These supramolecular arrays are arranged in layers approximately parallel to (110) built up from anions interacting with six symmetry-related surrounding cations.

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Bis(2-bromopyridinium) hexabromidostannate(IV)

Ali

Al-Far

Haddad

2008

Acta Cryst E

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Key indicators: single-crystal X-ray study; T = 293 K; mean (C-C) = 0.020 Å; R factor = 0.068; wR factor = 0.178; data-to-parameter ratio = 27.0.The asymmetric unit of the title compound, (C 5 H 5 BrN) 2 - [SnBr 6 ], contains one cation and one half-anion. The [SnBr 6 ] 2À anion is located on an inversion center and forms a quasi-regular octahedral arrangement. The crystal structure consists of two-dimensional supramolecular layers assembled via hydrogen-bonding interactions of N-HÁ Á ÁBr-Sn [DÁ Á ÁA = 3.375 (13)-3.562 (13) Å and D-HÁ Á ÁA = 127-142, along with C-BrÁ Á ÁBr synthons [3.667 (2) and 3.778 (3) Å ]. These layers are parallel to the bc plane and built up from anions interacting extensively with the six surrounding cations. Related literatureThe title salt is isomorphous with the Te analogue (Fernandes et al., 2004)

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2,5-Dibromopyridinium hexabromidostannate(IV)

Abstract: Key indicatorsSingle-crystal X-ray study T = 294 K Mean (C-C) = 0.010 Å R factor = 0.039 wR factor = 0.048 Data-to-parameter ratio = 20.1 For details of how these key indicators were automatically derived from the article, see

Cited by 5 publications

References 13 publications

Crystal Structure of Three Isomorphous Compounds of 2,5-Dibromopyridine with Tetrahalometalate(II) Ions

Crystal Structure of Three Isomorphous Compounds of 2,5-Dibromopyridine with Tetrahalometalate(II) Ions

Bis(2-bromopyridinium) hexachloridostannate(IV)

Bis(2-bromopyridinium) hexabromidostannate(IV)

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