Download citation
Download citation

link to html
The title solvated salt, C21H17N72+·SO42−·CH3OH, was obtained when we attempted to prepare the complex of ferrous sulfate and 2,6-bis­[3-(pyridin-2-yl)-1H-pyrazol-1-yl]pyridine in methanol. The dihedral angles between adjacent pyridine and pyrazole rings range from 3.8 (1) to 13.4 (1)°. An intra­molecular N—H...N hydrogen bond occurs. In the crystal, N—H...O and O—H...N hydrogen bonds between solvent methanol mol­ecules and the cations generate zigzag chains along [110].

Download citation
Download citation

link to html
The title compound, C20H20Br4N2, is a product of the condensation reaction of 4,6-di­bromo-2,3-di­methyl­aniline and butane-2,3-dione. The mol­ecule has a center of symmetry at the mid-point of the central C-C bond. The dihedral angle between the benzene ring and the 1,4-di­aza­butadiene plane is 78.3 (2)°. Niether hydrogen bonding nor aromatic stacking is observed in the crystal structure.
Follow Acta Cryst. E
Sign up for e-alerts
Follow Acta Cryst. on Twitter
Follow us on facebook
Sign up for RSS feeds