{"id":1379,"date":"2020-10-26T15:49:41","date_gmt":"2020-10-26T14:49:41","guid":{"rendered":"http:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/?p=1379"},"modified":"2020-10-26T15:49:41","modified_gmt":"2020-10-26T14:49:41","slug":"vsepr","status":"publish","type":"post","link":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2020\/10\/26\/vsepr\/","title":{"rendered":"VSEPR"},"content":{"rendered":"<p align=\"center\"><span style=\"font-size: x-large;\"><u><b>M\u00e9thode VSEPR<\/b><\/u><\/span><\/p>\n<p><span style=\"font-family: Arial, sans-serif;\">C\u2019est la m\u00e9thode de la pr\u00e9vision de la g\u00e9om\u00e9trie des mol\u00e9cules<\/span><\/p>\n<p><span style=\"font-family: Arial, sans-serif;\">VSEPR\u00a0: Valence Shell Electron Pair Repulsion<\/span><\/p>\n<p><span style=\"font-family: Arial, sans-serif;\">Les doublets d\u2019\u00e9lectrons sont assimil\u00e9s \u00e0 des charges \u00e9lectriques ponctuelles.<\/span><\/p>\n<p><span style=\"font-family: Arial, sans-serif;\">On fait l\u2019approximation que les charges se d\u00e9placent sur une sph\u00e8re centr\u00e9e sur le noyau.<\/span><\/p>\n<p><span style=\"font-family: Arial, sans-serif;\">D\u2019apr\u00e8s la th\u00e9orie de Lewis, on \u00e9crit\u00a0:<\/span><\/p>\n<p align=\"center\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: large;\"><b>AXnEm<\/b><\/span> <\/span><\/p>\n<p align=\"center\"><span style=\"font-family: Arial, sans-serif;\">o\u00f9 A= atome central, n le nombre de doublets liants et m le nombre de doublets non liants<\/span><\/p>\n<p align=\"left\"><span style=\"font-family: Arial, sans-serif;\">Suivant la valeur de (n+m) les mol\u00e9cules adoptent des configurations g\u00e9om\u00e9triques diff\u00e9rentes<\/span><\/p>\n<p align=\"left\"><a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-content\/uploads\/2020\/10\/vsepr.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">vsepr<\/a>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e9thode VSEPR C\u2019est la m\u00e9thode de la pr\u00e9vision de la g\u00e9om\u00e9trie des mol\u00e9cules VSEPR\u00a0: Valence Shell Electron Pair Repulsion Les doublets d\u2019\u00e9lectrons sont assimil\u00e9s \u00e0 des charges \u00e9lectriques ponctuelles. On fait l\u2019approximation que les charges se d\u00e9placent sur une sph\u00e8re centr\u00e9e sur le noyau. D\u2019apr\u00e8s la th\u00e9orie de Lewis, on \u00e9crit\u00a0: AXnEm o\u00f9 A= atome &hellip; <a href=\"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/2020\/10\/26\/vsepr\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">VSEPR<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1379","post","type-post","status-publish","format-standard","hentry","category-generalites"],"_links":{"self":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/1379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/comments?post=1379"}],"version-history":[{"count":1,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/1379\/revisions"}],"predecessor-version":[{"id":1381,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/posts\/1379\/revisions\/1381"}],"wp:attachment":[{"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/media?parent=1379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/categories?post=1379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toulouse-sgencfdt.fr\/WORDPRESS_ITRF\/wp-json\/wp\/v2\/tags?post=1379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}