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Bis-(2-amino-6-methyl-pyridinium) tetra-bromido-cuprate(II).


ABSTRACT: In the crystal structure of the title compound, (C(6)H(9)N(2))(2)[CuBr(4)], the geometry around the Cu atom is inter-mediate between tetra-hedral (T(d)) and square planar (D(4h)). Each [CuBr(4)](2-) anion is connected non-symmetrically to four surrounding cations through N-H?X (pyridine and amine proton) hydrogen bonds, forming chains of the ladder-type running parallel to the crystallographic b axis. These layers are further connected by means of offset face-to-face inter-actions (parallel to the a axis), giving a three-dimensional network. Cation ?-? stacking [centroid separations of 3.69?(9) and 3.71?(1)?Å] and Br?aryl inter-actions [3.72?(2) and 4.04?(6)?Å] are present in the crystal structure. There are no inter-molecular Br?Br inter-actions.

SUBMITTER: Al-Far RH 

PROVIDER: S-EPMC2961314 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature

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Bis-(2-amino-6-methyl-pyridinium) tetra-bromido-cuprate(II).

Al-Far Rawhi H RH   Ali Basem Fares BF   Haddad Salim F SF  

Acta crystallographica. Section E, Structure reports online 20080423 Pt 5


In the crystal structure of the title compound, (C(6)H(9)N(2))(2)[CuBr(4)], the geometry around the Cu atom is inter-mediate between tetra-hedral (T(d)) and square planar (D(4h)). Each [CuBr(4)](2-) anion is connected non-symmetrically to four surrounding cations through N-H⋯X (pyridine and amine proton) hydrogen bonds, forming chains of the ladder-type running parallel to the crystallographic b axis. These layers are further connected by means of offset face-to-face inter-actions (parallel to t  ...[more]

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