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Bis(2,4,6-trimethyl-pyridinium) tetra-bromidozincate.

ABSTRACT: In the title compound, (C(8)H(12)N)(2)[ZnBr(4)], the coordination geometry of the anion is approximately tetra-hedral. The Zn-Br bond lengths range from 2.3901?(19) to 2.449?(2)?Å and the Br-Zn-Br angles range from 107.09?(8) to 112.48?(8)°. In the crystal, each [ZnBr(4)](2-) anion is connected to four cations through two N-H?Br and two C-H?Br hydrogen bonds, forming two-dimensional ?(cation)(2)?anion?(cation(2))? sheets parallel to the bc plane. Within each sheet, the anions are arranged in stacks with no significant inter-anion Br?Br inter-actions [the shortest being > 4.3?Å], while the cations are in chains, with weak ?-? stacking inter-actions [centroid-centroid distance = 3.991?Å] between cations inter-acting with the same anion.

SUBMITTER: Ali BF 

PROVIDER: S-EPMC3515090 | biostudies-other | 2012 Nov

REPOSITORIES: biostudies-other

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Bis(2,4,6-trimethyl-pyridinium) tetra-bromidozincate.

Ali Basem F BF   Haddad Salim F SF   Al-Far Rawhi R  

Acta crystallographica. Section E, Structure reports online 20121003 Pt 11

In the title compound, (C(8)H(12)N)(2)[ZnBr(4)], the coordination geometry of the anion is approximately tetra-hedral. The Zn-Br bond lengths range from 2.3901 (19) to 2.449 (2) Å and the Br-Zn-Br angles range from 107.09 (8) to 112.48 (8)°. In the crystal, each [ZnBr(4)](2-) anion is connected to four cations through two N-H⋯Br and two C-H⋯Br hydrogen bonds, forming two-dimensional ⋯(cation)(2)⋯anion⋯(cation(2))⋯ sheets parallel to the bc plane. Within each sheet, the anions are arranged in sta  ...[more]

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