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artículo con referato
"Structural and Coordinating Properties of Platinum(II) Chloride Complexes with Polypyridyl ligands. Single Crystal X-Ray Structure of [Pt(ddpq)Cl2]·H2O (ddpq=6,7-dimethyl-2,3-di(2-pyridyl)quinoxaline)"
J. Granifo, M.E. Vargas, H. Rocha, M.T. Garland and R. Baggio
Inorg. Chim. Acta 321(1-2) (2001) 209-214
The X-ray crystallographic study of the methylated complex [Pt(ddpq)Cl2] (ddpq = 6,7-dimethyl-2,3-di(2-pyridyl)quinoxaline) has been carried out and compared with that of the non-methylated derivative [Pt(dpq)Cl2] (dpq = 2,3-di(2-pyridyl)quinoxaline). In both complexes the polypyridyl ligands are bonded bidentally by using their pyridyl nitrogen atoms. Besides, the crystal structure of both complexes present a graphitic - overlapping involving pairs of adjacent quinoxaline rings. But, the extention of the overlapping is less.
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