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Acta Cryst. (2012). E68, o2743
[ doi:10.1107/S1600536812035702 ]

Bis(2,6-dimethylpyridinium) dibromoiodate bromide

R. Al-Far, B. F. Ali and S. F. Haddad

Abstract: In the title salt, 2C7H10N+·IBr2-·Br-, each of the anions, viz. [IBr2]- and Br-, lie on a twofold axis. The IBr2- anion is almost linear, with a Br-I-Br angle of 178.25 (3)°. The cation is essentially planar (r.m.s. deviation = 0.0067 Å). In the crystal, each Br- anion links two cations via N-H...Br...H-N hydrogen-bonding interactions.


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