X-ray and FT-IR studies of structures of cyclic oxaalkyl diamide of o-phthalic acid and its complex with lead(II) perchlorate

Add time:08/05/2019    Source:sciencedirect.com

The crystals of cyclic oxaalkyl diamide of o-phthalic acid (CPhDA) and its complex with lead(II) perchlorate (CPhDA–Pb(ClO4)2–H2O (6:2:3)) were obtained from acetonitrile and were studied using X-ray crystallography and FT-IR spectroscopy. CPhDA crystallises in the centrosymmetric space group (P21/n) of monoclinic system, while its complex with Pb(ClO4)2 in the space group R3¯ of rhombohedral system. The conformation of CPhDA does not change significantly upon coordination of the Pb2+cation. Within the complex structure all six carbonyl oxygen atoms of the three CPhDA ligand molecules coordinate the Pb2+ cation with comparable bond lengths forming a cationic complex [Pb(CPhDA)3]2+. One water molecule occupies the centro-symmetric position in the cationic [(CPhDA)3⋯Pb2+⋯(H2O)⋯Pb2+⋯(CPhDA)3] dimeric structure. The FT-IR spectrum of the complex shows the characteristic shifts of amide I and amide II bands as all oxygen atoms of the carbonyl group are involved in complexation.

We also recommend Trading Suppliers and Manufacturers of LEAD(II) PERCHLORATE TRIHYDRATE (cas 13453-62-8). Pls Click Website Link as below: cas 13453-62-8 suppliers

Prev:Pyridyldithiafulvene as N-ligand towards molybdenum carbonyl complexes and evidence of protonation through hydrolysis of lead perchlorate
Next:Tin(II) perchlorate trihydrate)