Cobalt(II) and nickel(II) complexes with 4-amino-6-methyl-5-oxo-3-phenylamino-1,2,4-triazine |
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| Authors: | G López G García G Sánchez P Molina |
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| Institution: | (1) Departamento de Quimica Inorgánica, Universidad de Murcia, Murcia, Spain;(2) Departamento de Qufmica Orgánica, Universidad de Murcia, Murcia, Spain |
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| Abstract: | Summary Cobalt(II) and nickel(II) complexes of 4-amino-6-methyl-5-oxo-3-phenylamino-1,2,4-triazine (ATAZ), MX2(ATAZ)2 · 2 H2O (M = Co or Ni; X = Cl, Br, I or NCS), have been isolated. The electronic spectra, magnetic moments and i.r. spectra of the compounds have been studied.Pseudo-octahedral environments are proposed for the complexes: MX2(ATAZ)2]. 2 H2O (M = Ni or Co; X = Cl or Br) and CoI2(ATAZ)2(H2O)2], and apseudo-tetrahedral structure for NiX2(ATAZ)2] · 2 H2O (X = I or NCS) and Co(NCS)2-(ATAZ)2] · 2 H,O. However, CoX2(ATAZ)2]. 2 H2O (X = Cl or Br) give acetone solutions containing tetrahedral cobalt(II). |
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