Synthetic Route of C5H2Cl3N. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 3,4,5-Trichloropyridine, is researched, Molecular C5H2Cl3N, CAS is 33216-52-3, about Halogen bonding in substituted cobaloximes. Author is Rubin-Preminger, J. M.; Englert, U..
Aquabis(dimethylglyoximato)nitrocobalt(III) reacts with halogen-substituted pyridines to give nitro complexes in which the pyridine donors substitute the aqua ligand; reaction with halogen-substituted pyridinium chlorides directly displaces both the coordinated H2O mol. and the nitro ligand in a 1-pot reaction and affords the analogous chloro complexes. Ten crystal structures of eight new compounds are reported: among these, the nitro complex bis(dimethylglyoximato)nitro(4-chloropyridine)cobalt(III) was characterized by a remarkably long bond between the metal and the nitro ligand whereas the analogous chloro complex chlorobis(dimethylglyoximato)(4-chloropyridine)cobalt(III) features a very long Co-Cl distance. The structures communicated comprise three isomorphous pairs which are particularly suited for the comparative study of chloro and bromo derivatives The most relevant intermol. interactions in these compounds are due to very short O···halogen contacts of ∼2.9 Å whereas shortest interhalogen distances are slightly longer than the sum of the van der Waals radii. For both types of interactions, contact distances involving Br are shorter than those associated with Cl.
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Reference:
Bromide – Wikipedia,
bromide – Wiktionary