Browsing by Author "Calvo Pérez, Víctor"
Now showing items 1-15 of 15
-
(Centro de Perfeccionamiento, Experimentación e Investigaciones Pedagógicas (Chile), 1979)No tiene
-
(Universidad de ChileCyberDocs, 2010)Los complejos Cu2(u-O2CR)4L2 fueron sintetizados a partir de Cu2(OH)2CO3 y el correspondiente RCOOH; donde R: C10H13- y PhCH=CH2-, además L: N,N-dimetilformamida , dimetilsulfóxido o tetrahidrofurano. Estos fueron ...
-
(ELSEVIER SCIENCE BV, 1993-02-01)D-Glucosamine and ammonia, 1,2-ethylenediamine, or 1,10-phenanthroline form complexes with Co(III)*. The complexes are: [Co(NH3)3-H2O-D-glucosamine]3+, [Co(en)2.D-glucosamine]2+ and [Co(phen)2.D-glucosamine]3+. Formation ...
-
(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 ...
-
(Elsevier S.A., 2002)Reaction of propiolic acid (HCCCOOH) with dicobalt octacarbonyl (Co 2(CO)8) and tetracobalt dodecacarbonyl (Co 4(CO)12) leads to the organometallic carboxylic acids (CO)6Co2HCC-COOH (1) and (CO)10Co 4HCC-COOH (2) in good ...
-
(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 ...
-
(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 ...
-
(2000)The crystalline ion pair [Co2{OOC-CCo3(CO)9}5, C10H6(N(CH3)2)2H] (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 low ...
-
(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 ...
-
(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. ...
-
(Elsevier Science Publ. B.V., 1993)The clusters of M2[O2CCCo3(CO)9]4-n[O2CR]n, where M is Cr, n= O; where M is Mo, n = 0,1, R is CH3; where M is W, n=0; exhibit allowed transitions with absorvance maxima that correlate with the lowest ionization energy of ...
-
(Centro de Perfeccionamiento, Experimentación e Investigaciones Pedagógicas (Chile), 1979)No tiene
-
(MUNKSGAARD INT PUBL LTD, 1993-02-15)(OC-6-22)-Carbonato-kappa2O-bis(ethylenediamine-kappa2N)cobalt(III) chloride, [Co(CO3)(C2H8-N2)2]Cl, M(r) = 274.59, orthorhombic, Pca2(1), a = 10.754 (4), b = 11.084(3), c = 8.564 (2) angstrom, V = 1020.8 (5) angstrom3, Z ...
-
(PERGAMON-ELSEVIER SCIENCE LTD, 1999)Reaction of (CO)(9)Co-3(mu(3)-CCOOH) with metal trifluoroacetates leads to the isolation of Cr-2{mu-OOC-CCo3(CO)(9)}(2){mu-OOCCF3}(2)(THF)(2), 1, and Sm-2{mu-OOCCCo3(CO)(9)}(2){mu-OOCCF3}(4){(CO)(9)Co3CCOOH}(2)(THF)(2). ...
-
(PERGAMON-ELSEVIER SCIENCE LTD, 1991)The crystal structure of the title compound has been determined from single crystal X-ray diffraction data. There is little angle strain in the complex which has two carboxylate ions and one alkoxide ion bound to cobalt(III). ...
