4-amino-2,6-dimethyl-5-oxo-3-thioxo-2,3,4,5-tetrahydro-l,2,4-triazine cobalt(II) complexes |
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| Authors: | Gregorio Sánchez María D Santana María J Vidal Gabriel García Gregorio López Eduardo Pérez |
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| Institution: | (1) Departamento de Química Inorgánica, Universidad de Murcia, 30071 Murcia, Spain;(2) Departamento de Ingeniería Química, Universidad de Murcia, Murcia, Cartagena, Spain |
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| Abstract: | Summary Cobalt(II) complexes of 4-amino-2,6-dimethyl-5-oxo-3-thioxo-2,3,4,5-tetrahydro-1,2,4-triazine (taz) were prepared by reacting
the triazine with the corresponding cobalt salt. The isolated compounds were of the types: CoCl2(taz)], CoX2(taz)2(H2O)2] (X = Br or I), CoX2(taz)2] (X = Br, SCN or NO3) and Co(taz)2(H2O)2]X2(X = C1O4, BF4 or NO3). Conductance, magnetic and spectroscopic (i.r. and vis.) data were used for structural assignments. Pseudooctahedral and
pseudotetrahedral structures are proposed for the complexes, with the triazine molecule acting either as a monodentate nitrogen-donor
or a bidentate nitrogen-sulphur-donor ligand. |
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