{"id":2872,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/determinacion-estructural-a-partir-de-datos-de-difraccion-de-rayos-x-en-muestras-policristalinas-con-el-metodo-de-sustitucion-molecular\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"determinacion-estructural-a-partir-de-datos-de-difraccion-de-rayos-x-en-muestras-policristalinas-con-el-metodo-de-sustitucion-molecular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/determinacion-estructural-a-partir-de-datos-de-difraccion-de-rayos-x-en-muestras-policristalinas-con-el-metodo-de-sustitucion-molecular\/","title":{"rendered":"\u00abdeterminacion estructural a partir de datos de difraccion de rayos x en muestras policristalinas con el metodo de sustitucion molecular\u00bb."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Luis E. Ochando G\u00f3mez <\/strong><\/h2>\n<p>Los estudios cristalograficos realizados con monocristales han permitido un mayor conocimiento de la distribucion atomica de multitud de materiales. Aunque la mayoria de las sustancias solidas son cristalinas, solo en casos afortunados forman grandes cristales. En el presente trabajo se estudian diversos procedimientos y metodolog\u00edas para efectuar la resolucion estructural cuando no es posible obtener monocristales. Los pasos a seguir:  a\/ medicion del diagrama de difraccion con la maxima precision.  b\/ correcta asignacion de indices a las reflexiones.  c\/ interpretacion del grupo espacial. D\/ estimacion de las intensidades integradas.  e\/ resolucion de la estructura cristalina. Se estudia detalladamente el metodo de patterson search o de sustitucion molecular. Se muestran diversos avances en ese metodo, que constituye la unica tecnica de resolucion estructural de materiales organicos que incluyan fragmentos moleculares rigidos, a partir de datos de difraccion de rayos x convencionales en muestras policristalinas.  f\/ realizar un afinamiento de la estructura con un ajuste por minimos cuadrados por el metodo de rietveld.  a lo largo del trabajo se ha intentado destacar aquellos pasos mas importantes en todo el proceso, describiendo las tecnicas mas adecuadas para ello.  finalmente, y como aplicacion de la estrategia desarrollada, se ha determinado la estructura de dos compuestos organicos en los que solo hay presentes atomos ligeros.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abdeterminacion estructural a partir de datos de difraccion de rayos x en muestras policristalinas con el metodo de sustitucion molecular\u00bb.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abdeterminacion estructural a partir de datos de difraccion de rayos x en muestras policristalinas con el metodo de sustitucion molecular\u00bb. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Luis E. Ochando G\u00f3mez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Jordi Rius  Palleiro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Carlos Miravitlles Torras <\/li>\n<li>Lucia Soto Tuero (vocal)<\/li>\n<li>Mar\u00eda  Isabel Arriortua Markaida (vocal)<\/li>\n<li>Rafael Ballesteros Campos (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Luis E. Ochando G\u00f3mez Los estudios cristalograficos realizados con monocristales han permitido un mayor conocimiento de la [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[12152,199,1008],"tags":[12155,12154,5519,12153,10430,12156],"class_list":["post-2872","post","type-post","status-publish","format-standard","hentry","category-cristalografia","category-fisica","category-fisica-del-estado-solido","tag-carlos-miravitlles-torras","tag-jordi-rius-palleiro","tag-lucia-soto-tuero","tag-luis-e-ochando-gomez","tag-maria-isabel-arriortua-markaida","tag-rafael-ballesteros-campos"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/2872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=2872"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/2872\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=2872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=2872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=2872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}