{"id":62258,"date":"2018-03-09T22:50:10","date_gmt":"2018-03-09T22:50:10","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/complejos-metalicos-con-tiosemicarbazonas-derivadas-de-la-2-pirazinaformamida\/"},"modified":"2018-03-09T22:50:10","modified_gmt":"2018-03-09T22:50:10","slug":"complejos-metalicos-con-tiosemicarbazonas-derivadas-de-la-2-pirazinaformamida","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/compuestos-coordinados\/complejos-metalicos-con-tiosemicarbazonas-derivadas-de-la-2-pirazinaformamida\/","title":{"rendered":"Complejos met\u00e1licos con tiosemicarbazonas derivadas de la 2-pirazinaformamida"},"content":{"rendered":"<h2>Tesis doctoral de <strong> R\u00e1ul Rodr\u00edguez Riob\u00f3 <\/strong><\/h2>\n<p>El contenido principal de la tesis es la s\u00edntesis y caracterizaci\u00f3n estructural de 147 nuevos complejos de iones met\u00e1licos divalentes de los grupos 10 y 12 (ni, pd, pt, zn, cd y hg) con las tiosemicarbazonas obtenidas por reacci\u00f3n entre 2-cianopirazina con tiosemicarbazida, 4-metil-, 4-etil-, 4-dimetil-, 4-piperidin- y 4-hexametilenimin-3-tiosemicarbazida en presencia de sodio en cantidades catal\u00edticas.  los complejos de ni(ii) obtenidos, de f\u00f3rmulas [ni(hl)x2]; x = cl o br, [ni(hl)2]xn\u00c2\u00bf(n = 1 o 2; x = no3-, clo4- o so42-); [ni(l)(hl)]x (x = cl-, i- o no3-); [ni(l)2], presentan distintas geometr\u00edas de coordinaci\u00f3n, dando lugar a complejos plano-cuadrados, piramidales de base cuadrada y octa\u00e9dricos, muchos de los cuales han sido caracterizados tambi\u00e9n mediante estudios de difracci\u00f3n de rayos x.  los complejos de pd y pt(ii), de f\u00f3rmula [m(l)cl] (m = pd o pt), presentan una disposici\u00f3n plano-cuadrada en torno al \u00e1tomo met\u00e1lico, con las tiosemicarbazonas actuando como ligandos tridentados ani\u00f3nicos n,n,s y con un \u00e1tomo de cloro ocupando la \u00faltima posici\u00f3n de coordinaci\u00f3n en torno al metal. los complejos de zn, cd y hg(ii), de formulas generales [m(hl)x2], [m(l)x]2, [m(l)x]n,  [m(l)(oac)]2, [cd(l)x(dmso)]2, donde m = zn, cd o hg y x cl, br o i), presentan una gran variabilidad de geometr\u00edas de coordinaci\u00f3n, dando lugar a compuestos tetra, penta y hexacoordinados, tanto mon\u00f3meros, d\u00edmeros como pol\u00edmeros, donde las mol\u00e9culas de tiosemicarbazona pueden comportarse como ligandos neutros o ani\u00f3nicos (monodesprotonadas). Muchos de los complejos obtenidos, adem\u00e1s, se han podido caracterizar mediante difracci\u00f3n de rayos x.  tambi\u00e9n se han estudiado las propiedades \u00f3pticas (espectroscopia uv-vis) y magn\u00e9ticas de los compuestos de ni(ii), mientras que de los complejos de zn(ii) y cd(ii) pentacoordinados del tipo [m(hl)x2] se realiz\u00f3 un estudio de sus propiedades luminiscentes, demostr\u00e1ndose que un buen n\u00famero de ellos han dado lugar a fluo<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Complejos met\u00e1licos con tiosemicarbazonas derivadas de la 2-pirazinaformamida<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Complejos met\u00e1licos con tiosemicarbazonas derivadas de la 2-pirazinaformamida <\/li>\n<li><strong>Autor:<\/strong>\u00a0 R\u00e1ul Rodr\u00edguez Riob\u00f3 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/12\/2007<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Alfonso Casti\u00f1eiras Campos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel Rafael Bermejo Pati\u00f1o <\/li>\n<li> Mendiola Mart\u00edn Mar\u00eda Antonia (vocal)<\/li>\n<li>Josefa Gonz\u00e1lez P\u00e9rez (vocal)<\/li>\n<li> Alzuet Pi\u00f1a Mar\u00eda Gloria (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de R\u00e1ul Rodr\u00edguez Riob\u00f3 El contenido principal de la tesis es la s\u00edntesis y caracterizaci\u00f3n estructural de 147 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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