Browsing by Author "Peña, Octavio"

Now showing items 1-7 of 7

    • Complejos del cobre (II) con bases de Schiff derivadas de salicilaldehido y 2-aminopiridina 
      Atria Salas, Ana María; Spodine Spiridonova, Evgenia; Peña, Octavio; Garland, María Teresa; L'Helgouach, H. (Sociedad Chilena de Química, 1988)
      Se han determinado las propiedades magnéticas y espectroscópicas de los complejos de cobre (II) con bases de Schiff,[Cu(BS)Cl2]. Las bases de Schiff son: N-R-Salicilaldimina, donde R es 2-piridina: 4-metil-2-piridina; o ...
    • Gadolinium and neodymium citrates: Evidence for weak ferromagnetic exchange between gadolinium(III) cations 
      Baggio, Ricardo; Calvo, Rafael; Garland, María Teresa; Peña, Octavio; Perec, Mireille; Rizzi, Alberto (AMER CHEMICAL SOC, 2005-11-28)
      A new lanthanide citrate motif of general formula [Ln(Hcit)(H2O)(2)center dot H2O](n), where Ln = Gd (1) and Nd (2) and HCit(3-)= C(OH)(COO-)(CH2COO-)(2), has been synthesized hydrothermally from Ln(2)O(3) and citric acid ...
    • Magnetic and structural properties of [Cu(DPA)(Ac)2] · 2H2O (DPA = DI(2-pyridyl)amine) 
      Atria Salas, Ana María; Spodine Spiridonova, Evgenia; Garland, María Teresa; Manzur Saffie, Jorge; Baggio, Ricardo; Peña, Octavio (1996)
      The preparation of the copper(II) complex formulated as [Cu(DPA)(Ac)2]·2H2O is given (DPA: di(2-pyridyl)amine, Ac: acetate). The structure of this complex was determined by single-crystal X-ray analysis. It crystallizes ...
    • Magnetic behavior and antibacterial activity of iron (III) complexes 
      Cortés, Piedad; Atria Salas, Ana María; Contreras, M.; Peña, Octavio; Fernández, Katia; Corsini, Gino (SOC CHILENA QUIMICA, 2008-06)
      The preparation, magnetic characterization and antimicrobial properties of the complexes [Fe3O(CH3COO)(6)(CH3COOH)(H2O)]Cl(Melmid)center dot(H2O) (1) and [Fe4O2 (CH3COO)(7)O-2(BPA)(2)(H2O)]center dot Cl center dot ...
    • Magnetic properties and antibacterial activity of tetranuclear copper complexes bridged by oxo group 
      Cortés, Piedad; Atria Salas, Ana María; Contreras, M.; Garland, María Teresa; Peña, Octavio; Corsini, Gino (SOCIEDAD CHILENA DE QUIMICA, 2006-09)
      A series of three tetranuclear Cu(II) complexes of general formula [Cu4OCl6L4], where L is a Lewis Base ligand has been characterized through magnetic measurements and determination of antimicrobial activities. This study ...
    • Modulating magnetic properties of a macrocyclic dinuclear copper(II) complex: Influence of counteranions ... 
      Venegas Yazigi, Diego; Cortés, Susana; Paredes García, Verónica; Peña, Octavio; Ibáñez, Andrés; Baggio, Ricardo; Spodine Spiridonova, Evgenia (PERGAMON-ELSEVIER SCIENCE LTD, 2006-07-10)
      A group of dinuclear copper(II) compounds containing the macrocyclic complexes Cu2L2+ (LH2 = C(24)H(2)sN(4)O(4): a ligand derived from the condensation of 4-methyl-2,6-diformylphenol with 1,3-diamine-2-propanol) have been ...
    • Two polymorphic forms of a mixed zinc/copper biquinoline dihydrogenphosphate 
      Moreno, Yanko; Hermosilla, Patricio; Garland, María Teresa; Peña, Octavio; Baggio, Ricardo (2007)
      Two polymorphic forms of a mixed zinc/copper biquinoline dihydrogenphosphate are presented, showing almost identical monomeric units, viz. (2,2 '-biquinoline-kappa N-2,N ')bis(dihydrogenphosphato-kappa O)copper(II)/zinc(II), ...