Synthesis and characterization of trans-[Co(III)(bpb)(amine) 2]X (X=NCS, ClO 4). X-ray crystal structure of trans-[Co(III)(bpb)(pyrrolidine) 2]NCS·0.5H 2O containing intermolecular NH⋯OC hydrogen-bonding (original) (raw)
2002, Inorganica Chimica Acta
A series of complexes of the type trans -[Co(III)(bpb)(amine) 2 ]X (X 0/NCS, amine 0/pyrrolidine (prldn) (1), benzylamine (bzlan) (2), and X 0/ClO 4 , amine0/pyrrolidine (prldn) (3), benzylamine (bzlan) (4), piperidine (pprdn) (5), morpholine (mrpln) (6), and bpb 0/N ,N ?-bis(2-pyridinecarboxamide)-1,2-benzene dianion) have been synthesized and characterized by elemental analyses, IR, UV Á/Vis, and 1 H NMR spectroscopy. The crystal and molecular structure of 1 ×/0.5H 2 O was determined by X-ray crystallography. The compound crystallizes in the triclinic space group P/1; a 0/9.4059(8) Å , b 0/11.3047(10) Å , c 0/12.8451(11) Å , a 0/81.984(2)8, b 0/83.761(2)8, g 0/85.456(2)8, V 0/1341.6(2) Å 3 , Z0/2 and final R 1 0/0.039 (wR 2 0/0.0625) for 5723 independent reflections with I /2s (I ) and 368 parameters. The structure consists of chains of complexes linked by moderately strong N Ã/HÁ Á ÁOÄ/C hydrogenbonds zig-zagging along the c lattice translation. The IR, UV Á/Vis, and 1 H NMR spectra of the complexes are also discussed. #