Browsing by Author "Spodine Spiridonova, Evgenia"
Now showing items 1-20 of 69
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(BLACKWELL PUBLISHING, 2008-06)The structure of the title compound, (C10H10N3)(2)[ZnCl4], is composed of C10H9N3H+ ( DPAH(+)) cations and [ ZnCl4](2-) anions. The two pyridyl rings of DPAH+ are approximately coplanar, with a dihedral angle of 7.2 ( ...
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(International Union of Crystallography, 1995)The CoII atom in the title complex. [CoBr2(C19H28N2O-Si)], has a tetrahedral environment and is coordinated to bis(o-dimethylaminomethylphenyl)methylsilanol in a bidenate fashion and to two Br anions
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(Universidad de Chile, 2023)En este trabajo se abordó la síntesis, caracterización y estudio de propiedades ópticas de complejos homonucleares y heteronucleares de TbIII y EuIII con un ligando antena con sustituyentes triazol para determinar su posible ...
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(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 ...
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(AMER CHEMICAL SOC, 2007-08)Two new ligands, 2-[(bis(2-pyridylmethyl)amino)methyl]-4-methylphenol (HL) and 2-[(bis(2-pyridylmethyl)amino)methyl]- 4-methyl-6-(methylthio)phenol (HSL), were synthesized and were used to prepare the trinuclear copper(II) ...
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(Hindawi Publishing Corporation, 2015)
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(MUNKSGAARD INT PUBL LTD, 1996-06-15)The title complex, [CuBr2(C12H11N3)], is a monomer and the environment around the Cu2+ ion is that of a square pyramid, with one Br- ion occupying the apical site and the other Br- ion at a basal position.
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(Munksgaard Int. Publ. Ttd., 1994-07-15)The crystal structures of dichloro- (2) and dibromo[2-pyridilmethylidene)-2thienylmethylidene)-2-thienylmethylmethyamine-NN'] copper(II) (1) have been determined to investigate the coordination of die metal centre. In ...
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(MUNKSGAARD INT PUBL LTD, 1994-12-15)The crystal structure of [CUCl2(C12H12N2)] is reported. The complex is monomeric, with the Cu atom coordinated to two N atoms and two Cl- ions. The compound displays simple paramagnetic behaviour.
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(ELSEVIER SCIENCE SA, 2002-06-27)A Cu(II)-Gd(III) heteronuclear complex with N,N'-ethylene-bis-5-methoxy salicylaldiimine (ems) as ligand has been synthesized. The complex crystallizes in the monoclinic system C2/c space group. The structure consists of ...
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(1976)The values of the rate constant for the oxidation reaction are reported for a series of substituted bis(phenanthroline)copper(I) complexes. The rate constant increases along the series: 2,9-diCH3 phen < 5-Cl phen < ...
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(AMER CHEMICAL SOC, 2006-04-10)Three structures of novel cluster carboxylates of molybdenum(II) (la-c) and copper(II) (2) with the OOC-CCHCo2(CO)(6) ligand are presented. The solvent topology plays an important role in the formation of the crystal lattice ...
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(ELSEVIER, 2006-09-01)Copper(II) complexes of n-alkyl-2-hydroxy-1-naphthaldimine Schiff bases (with n-alkyl: n-octyl, and n-dodecyl) have been synthesized, to study steric and electronic effects of long alkyl chain substituents on their structure ...
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(AMER CHEMICAL SOC, 2008-05-05)Experimental redox potentials of the couples [Cu(R-L-n)(CH3CN)](2+,+), where L-1 is bis-(pyridine-2-ylmethyl)-benzylamine, L-2 is (pyridine-2-ylethyl)(pyridine-2-ylmethyl)-benzylamine, and R is H, Me, or CF3, were determined ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2002-01-15)The electrochemical reduction of copper(II) complexes with salen Schiff-base ligands derived from ethylenediamine or (R,R) or (S,S)-1,2-diphenylethylenediamine and 5-methoxy, 5-bromo and 5-nitrosalicylaldehyde have been ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2006-06-19)Mixed valence dinuclear iron(II,III) complexes of the type [Fe2L2(H2O)(4)](NO3)(H2O)(3), where L is the dianion of a Schiff base ligand derived from alpha-amino acids (glycine and L-isolecine) and 5-bromosalicylaldehyde, ...
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(Universidad de Chile, 2013)En este trabajo de tesis se abordó la síntesis, caracterización estructural y el estudio magnético de nuevos y novedosos sistemas polinucleares de cero dimensionalidad. Estos complejos polinucleares fueron obtenidos por ...
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(Universidad de Chile, 2008-08)Los valores experimentales de los potenciales de reducción de la familia de nitroimidazoles sustituidos están en el rango de -80 y -550 mV. Estos valores fueron correlacionados con los calculados usando la teoría de ...
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(Universidad de Chile, 2016)En el presente trabajo de tesis se han sintetizado y caracterizado fases bimetálicas derivadas del sistema MnPS3. Las fases bimetálicas obtenidas son cuatro: Zn0,2Mn0,8PS3•0,25 H2O, Cu0,2Mn0,8PS3 • 0,25 H2O, Ni0,2Mn0,8PS3 ...
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(Sociedad Chilena de Quimica, 2000)Reaction of CpFe(dppe)I with dithiopyridine in methanol and in presence of NH4PF6 affords the new mixed valence complex {[CpFe(dppe)]2 - n - S - Py}(PF6)2 (1 ). Observation of an intervalence electron transfer affords the ...
