{"id":109239,"date":"2018-03-11T10:34:27","date_gmt":"2018-03-11T10:34:27","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-de-precursores-de-glicina-en-el-medio-interestelar-estudio-teorico\/"},"modified":"2018-03-11T10:34:27","modified_gmt":"2018-03-11T10:34:27","slug":"sa%c2%adntesis-de-precursores-de-glicina-en-el-medio-interestelar-estudio-teorico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-fisica\/sa%c2%adntesis-de-precursores-de-glicina-en-el-medio-interestelar-estudio-teorico\/","title":{"rendered":"S\u00edntesis de precursores de glicina en el medio interestelar: estudio te\u00f3rico"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Laura Largo Escudero <\/strong><\/h2>\n<p>En esta tesis doctoral se ha llevado a cabo un estudio te\u00f3rico de procesos de posible inter\u00e9s en astroqu\u00edmica, m\u00e1s concretamente, a la posible formaci\u00f3n de precursores de glicina a partir de las reacciones de nhn+ (n=2-4) con \u00e1cido ac\u00e9tico, ch3nhn+ (n=2-3) con \u00e1cido f\u00f3rmico y, finalmente, nhnoh+ (n=2-3) con \u00e1cido ac\u00e9tico bajo las condiciones del medio interestelar.  se ha realizado en primer lugar un estudio termodin\u00e1mico obteniendo as\u00ed las geometr\u00edas de equilibrio para los reactivos y productos, calculando posteriormente las correspondientes energ\u00edas electr\u00f3nicas sobre dichas geometr\u00edas. Asimismo se estima la contribuci\u00f3n de la energ\u00eda de vibraci\u00f3n en el punto cero, para lo cual se determinan las correspondientes frecuencias de vibraci\u00f3n. En segundo lugar se contemplan los posibles mecanismos de reacci\u00f3n a trav\u00e9s de los cuales puede tener lugar el proceso. Para ello se caracterizan los intermedios de reacci\u00f3n y los estados de transici\u00f3n involucrados en las distintas etapas de un mecanismo. De esta forma se puede estimar la energ\u00eda de activaci\u00f3n asociada a cada proceso, magnitud clave que controla la correspondiente constante de velocidad.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis de precursores de glicina en el medio interestelar: estudio te\u00f3rico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis de precursores de glicina en el medio interestelar: estudio te\u00f3rico <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Laura Largo Escudero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/06\/2011<\/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>Carmen Barrientos Benito<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 \u00e1ngel Sordo gonzalo <\/li>\n<li>laura Gagliardi (vocal)<\/li>\n<li>Manuel Alcami pertejo (vocal)<\/li>\n<li>Jes\u00fas Ugalde uribe-etxebarria (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Laura Largo Escudero En esta tesis doctoral se ha llevado a cabo un estudio te\u00f3rico de procesos [&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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