Browsing by Author "Spodine Spiridonova, Evgenia"
Now showing items 21-40 of 67
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Muñoz Becerra, Karina; Hermosilla Ibáñez, Patricio; Le Fur, Eric; Cador, Olivier; Paredes García, Verónica; Spodine Spiridonova, Evgenia; Venegas Yazigi, Diego (American Chemical Society, 2015)The first borate-vacant deca-vanadoborate of formula (NH3CH2CH2CH2NH3)(5) [ (NH3CH2CH2CH2NH3)V10B24O66H8]center dot 13.23H(2)O with an occluded 1;3-propanediammonium cation; using molten methylboronic acid flux reaction ...
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Hernández, Wilfredo; Vaisberg, Abraham. J.; Tobar, Mabel; Álvarez, Melisa; Manzur Saffie, Jorge; Echevarria, Yuri; Spodine Spiridonova, Evgenia (ROYAL SOC CHEMISTRY, 2016)This work reports the synthesis and characterization of palladium(u) complexes Pd(L-1)(2) (1), Pd(L-2)(2) (2), Pd(L-3)(2) (3) and Pd(L-4)(2) (4), where (LH)-H-1: 1-naphthaldehyde thiosemicarbazone; (LH)-H-2: 4-phenyl-(1- ...
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Calvo Pérez, Víctor; Cortés, P.; Moreno N., Yanko; Vega, Andrés; Spodine Spiridonova, Evgenia (SOCIEDAD CHILENA DE QUIMICA, 2000-06)Copper(ll) trifluoroacetate with three coordinated water molecules and two dioxane molecules (1) crystallized as a linear chain surrounded by a net of hydrogen bonds to the dioxane and trifluoroacetate. This-complex ...
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Santibáñez Campos, Luis Alejandro (Universidad de Chile, 2021)Los polímeros de coordinación son materiales extendidos constituidos por centros o clúster metálicos, unidos entre sí por moléculas orgánicas que actúan como puentes. Un tipo de polímeros de coordinación son los “metal-organic ...
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Aliaga, Carolina; Fuentealba Rosas, Patricio; Muñoz Sáez, Francisco; Pastenes, Camila; Rezende, Marcos C.; Spodine Spiridonova, Evgenia; Cárdenas Valencia, Carlos (American Chemical Society, 2019)Nitroxide radicals, adhered to gold nanoparticles, have found novel applications such as cancer treatment, neuroprotection after cerebral injury, radiotherapy, and as drug-delivering agents. The details of the nature of ...
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Arce, A. J.; Deeming, A. J.; DeSanctis, Y.; García, A. M.; Manzur Saffie, Jorge; Spodine Spiridonova, Evgenia (Amer. Chem. Soc., 1994-09)2-(Trimethylsilyl)-1-phosphabenzene and -1-arsabenzene, Me(3)SiC(5)H(4)E (E = P, AS), react with [Os3H2(CO)(10)] to give the clusters [Os3H2(Me(3)SiC(5)H(4)E)(CO)(9)], which contain sigma-bonded, four-electron-donating mu ...
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Borisova, Nataliya E.; Kostin, Andrey A.; Eroshkina, Elizaveta A.; Reshetova, Marina D.; Lyssenko, Konstantin A.; Spodine Spiridonova, Evgenia; Puntus, Lada N. (Wiley, 2014)A series of lanthanide(III) complexes (Ln = La to Lu) with 2,2 -bipyridyl-6,6 -dicarboxamide ligands were obtained. The X-ray structure of the di(N-ethylanilide) of 2,2 -bipyridyl- 6,6 -dicarboxylic acid is reported. ...
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Cancino, Patricio; Spodine Spiridonova, Evgenia; Paredes García, Verónica; Venegas Yazigi, Diego; Vega, Andrés (International Union of Crystallography, 2013)In the structure of the title compound, {[Cu2(C10H2O8)- (H2O)6] 4H2O}n, the benzene-1,2,4,5-tetracarboxylate ligand, (btec)4 , is located on a crystallographic inversion centre in a 4-coordination mode. The coordination ...
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Spodine Spiridonova, Evgenia; Venegas Yazigi, Diego; Ushak, Svetlana; Le Fur, Eric; Pivan, Jean-Yves (ELSEVIER, 2006-10-01)The structure and magnetic properties of two hybrid VPO compounds [(Cu(2)bipy(2))(2)V4O11(PO4)(2)]center dot 5H(2)0 1 and [Cu(2)phen(2)(O3PCH2PO3)(V2O5)(H2O)] center dot H2O 2 are reported. The magnetic behaviour of compound ...
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Calvo Pérez, Víctor; Spodine Spiridonova, Evgenia (ELSEVIER SCIENCE SA, 2000-12-15)The crystalline ion pair [Co-2{OOC-CCo3(CO)(9)}(5), C10H6(N(CH3)(2))(2)H] (1) presents unusual magnetic properties. The X-band EPR spectrum of 1 at room temperature presents two unresolved bands at g = 1.98 and 4.55. At a ...
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Spodine Spiridonova, Evgenia; Atria Salas, Ana María; Valenzuela Pedevila, Jorge; Jalocha, J.; Manzur Saffie, Jorge; García, A. M.; Garland, María Teresa; Peña, Octavio; Saillard, J. Y. (ROYAL SOC CHEMISTRY, 1999-09-07)Three new copper(II) complexes with simple pyrazolate bridges have been prepared, [Cu-2(pz)(2)(dpa)(2)(H2O)Cl]Cl . H2O 1, [Cu-2(pz)(2)(phen)(2)Cl-2]. 2C(2)H(5)OH 2 and [Cu-2(pz)(phen)(2)Cl-3]. 2H(2)O 3 (Hpz = pyrazole, dpa ...
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Spodine Spiridonova, Evgenia; Venegas Yazigi, Diego; Ushak, S.; Paredes García, Verónica; Saldías, Marianela; Le Fur, Eric; Pivan b, J.Y. (PERGAMON-ELSEVIER SCIENCE LTD, 2007-06)The hybrid organo-inorganic compounds [Cu4(bipy)4V4O11(PO4)2]nH2O (n 5) (1), [Cu2(phen)2(PO4)(H2PO4)2(VO2) Æ 2H2O] (2) and [Cu2(phen)2(O3PCH2PO3)(V2O5) (H2O)]H2O (3) which present different bridging forms of the ...
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Venegas Yazigi, Diego; Muñoz, K.; Saldías, Marianela; Valdés de la Barra, K.; Vega, Andrés; Paredes García, Verónica; Gómez García, Carlos J.; Le Fur, E.; Cañón Mancisidor, Walter Alberto; Spodine Spiridonova, Evgenia (Elsevier, 2013)The magnetic properties of [(VO)3(l-PO4)2(2,20-bpy)(l-OH2)]1/3H2O (1) and (VO)2H4P2O9 (2), a tubular and a layered vanadium(IV) phosphates containing triply oxido bridged VIV dimers, are analyzed considering the ...
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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 ...
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Castillo, C.; Seguin, K.; Aguirre Álvarez, Pedro; Venegas Yazigi, Diego; Viegas, A. D. C.; Spodine Spiridonova, Evgenia; Paredes García, Verónica (Royal Soc Chemistry, 2015)In this study, we are reporting the synthesis and characterization of nanocomposites obtained from the direct reduction of nickel(II) salts on matrices of polyethylene (Pe) and chitosan (Ch) in the presence of serine ...
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Capparelli, Mario V.; DeSanctis, Y.; Arce, A. J.; Spodine Spiridonova, Evgenia (MUNKSGAARD INT PUBL LTD, 1997-03-15)The reaction of 1,2,3-triphenylphosphirene with [H2Os3-(CO)(10)] leads to the title compound, [Os-3(CO)(9){(C6H5)(3)-C2PO}], which displays an open Os-3(CO)(9) cluster [Os-Os 2.703(1) and 2.867(2) Angstrom, and Os-Os-Os ...
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Vega, Andrés; Calvo Pérez, Víctor; Spodine Spiridonova, Evgenia; Zárate, Antonio; Fuenzalida Escobar, Víctor; Saillard, Jean-Yves (2002)The reaction of the organometallic carboxylic acid HOOCCCHCo2(CO)6 with copper(II) methoxide leads to a new inorganometallic cluster; Cu3{í2-(CCHCo2(CO)6)}3. This cluster has a triangular core of copper(I) centers ...
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Calvo Pérez, Víctor; Ostrovsky, Sergei; Vega, Andrés; Pelikan, Juraj; Spodine Spiridonova, Evgenia; Haase, W. (AMER CHEMICAL SOC,, 2006-01-23)The trimer [Co-3(mu-OOCCF3)(4)(mu-H2O)(2)(OOCCF3)(2)(H2O)(2)(C4H8O2)]center dot 2C(4)H(8)O(2) (1) is composed of three tetragonally distorted Coll centers bridged by four trifluoroacetates and two bridging water molecules. ...
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Le Fur, Eric; Pivan, J. Y.; Ushak, S.; Venegas Yazigi, Diego; Spodine Spiridonova, Evgenia (Elsevier, 2008)New hybrid organic/inorganic copper oxovanadium compounds of composition [Cu(dpa)(2)](4)V4O12 (1), Cu-2(bipy)(2)V4O12 (2), and Cu-2(bipy)(2)V6O17 (3), which crystallize in the monoclinic 1, 2 and triclinic 3 symmetry, ...
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Paredes García, Verónica; Venegas Yazigi, Diego; Cabrera, A.; Valencia Gálvez, P.; Arriagada, M.; Ruiz León, Domingo; Zanocco Loyola, Antonio; Spodine Spiridonova, Evgenia (2009)In this work, we present the synthesis and optical study of the binuclear zinc(II) macrocyclic complexes, derived from 4-methyl-2,6-diformylphenol and 1,2-diaminobenzene (H2L). Two zinc macrocyclic complexes with different ...