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Crystals of the title salt, 3,4-dimethylpyridinium bromide, C7H10N+.Br-, (I), the structure of which has been determined by single-crystal X-ray diffraction at 157 K, appeared to be twinned. Transformation to a monoclinic C-centred cell was necessary in order to derive the twin law. But since the structure is in fact triclinc primitive, cell parameters, reflection indices, coordinates and the twin law have to be transformed back to carry out a proper refinement. The protonated N atom forms a hydrogen bond to the Br- ion, and three further contacts less than 3 Å from the Br- ion to aromatic H atoms can be found.

Supporting information


Crystallographic Information File (CIF)
Contains datablocks he22, global


Structure factor file (CIF format)
Contains datablock he22

CCDC reference: 130182

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