{"id":13575,"date":"2019-04-08T16:45:25","date_gmt":"2019-04-08T14:45:25","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/tarragones\/?p=13575"},"modified":"2019-04-26T20:24:59","modified_gmt":"2019-04-26T18:24:59","slug":"trics13_acampayo","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/tarragones\/dinamitzacio\/trics\/trics13_acampayo\/","title":{"rendered":"Descobrint La Simetria"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-5353\" title=\"Alejandro Campayo Fern\u00e1ndez\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_acampayo.jpg\" alt=\"Alejandro Campayo Fern\u00e1ndez\" width=\"150\" height=\"200\" \/><strong><span style=\"color: #808080;\"><em>T\u00edtol:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/em><\/span><\/strong><strong>Descobrint La Simetria<\/strong><br \/>\n<strong><em><span style=\"color: #808080;\">Autor\/a:\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong><strong> Alejandro Campayo Fern\u00e1ndez<\/strong><br \/>\n<strong><em><span style=\"color: #808080;\">Tutor\/a:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Cori Planelles Agramunt<br \/>\n<strong><em><span style=\"color: #808080;\">Modalitat:\u00a0\u00a0<\/span><\/em><\/strong>Ci\u00e8ncies i tecnologia: Ci\u00e8ncies de la Salut<br \/>\n<strong><em><span style=\"color: #808080;\">\u00c0rea:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Qu\u00edmica<br \/>\n<strong><em><span style=\"color: #808080;\">Centre:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Ins Altafulla<br \/>\n<strong><em><span style=\"color: #808080;\">Localitat:\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Altafulla<\/p>\n<h6><strong>Objectius:<\/strong><\/h6>\n<ol>\n<li>Crear i animar imatges 3D de les estructures at\u00f2miques que ajudin a entendre i estudiar la seva simetria de manera gr\u00e0fica.<\/li>\n<li>Entendre les diverses teories que expliquen com els \u00e0toms interactuen a l\u2019hora de formar enlla\u00e7os.<\/li>\n<li>Ser capa\u00e7 d\u2019interpretar la forma geom\u00e8trica d\u2019una mol\u00e8cula, aplicant les teories d\u2019enlla\u00e7 estudiades.<\/li>\n<li>A partir de la geometria de la mol\u00e8cula i emprant la teoria de grups aplicada a la simetria, recon\u00e8ixer els elements i les operacions de simetria de l\u2019estructura i identificar, rigorosament, el grup puntual de simetria al qual pertany.<\/li>\n<li>Obtenir una coher\u00e8ncia i cohesi\u00f3 interna que relacioni la part qu\u00edmica, els conceptes matem\u00e0tics i l\u2019estudi de la simetria de les mol\u00e8cules final.<\/li>\n<\/ol>\n<h6><strong>Hip\u00f2tesi:<\/strong><\/h6>\n<p style=\"text-align: justify;\">Un concepte tant est\u00e8tic com \u00e9s la simetria pot ser tractat amb les matem\u00e0tiques i l&#8217;estudi d&#8217;aquesta aplicat a les diferents geometries de les mol\u00e8cules permet validar les diferents teories de l&#8217;enlla\u00e7 qu\u00edmic.<\/p>\n<h6><strong>El proc\u00e9s:<\/strong><\/h6>\n<p style=\"text-align: justify;\">On m\u00e9s he focalitzat els meus esfor\u00e7os ha estat a la confecci\u00f3 d&#8217;imatges que em permetin explicar de manera gr\u00e0fica conceptes que d&#8217;altra manera no s\u00f3n gens f\u00e0cils d&#8217;entendre. Aquest en principi no era un dels meus objectius per\u00f2 m&#8217;he vist obligat a realitzar-lo degut a les poques imatges que es troben a internet per un tema tant concret com el que tracto. Per crear les il\u00b7lustracions m&#8217;he ajudat de molts programes d&#8217;entre els quals haig de destacar Avogadro per la seva utilitat.<br \/>\nPel que fa a la informaci\u00f3 analitzada per crear la mem\u00f2ria del meu treball, aquesta ha estat extreta en gran part de projectes universitaris per assegurar aix\u00ed la seva fiabilitat. Una vegada vaig haver trobat la informaci\u00f3, el repte que vaig tenir va ser redactar-ho de manera entenedora per aix\u00ed completar el meu objectiu de crear un treball pedag\u00f2gic.<br \/>\nFinalment, l&#8217;\u00faltim repte amb que em vaig trobar va \u00e9sser relacionar els coneixements matem\u00e0tics i qu\u00edmics, adquirits a l&#8217;inici del proc\u00e9s, de manera que \u00e9s segu\u00eds amb facilitat el contingut miltidisciplinar del meu treball.<\/p>\n<h6><strong>Conclusions:<\/strong><\/h6>\n<p style=\"text-align: justify;\">Les conclusions que vaig extreure del meu treball van ser les seg\u00fcents:<br \/>\n\u2022 Les operacions de simetria es descriuen matem\u00e0ticament mitjan\u00e7ant la teoria de grups. En concret, en les mol\u00e8cules els elements de simetria s\u2019intersequen en un punt i per aix\u00f2 podem classificar-les en grups puntuals de simetria determinats.<br \/>\n\u2022 Per establir el grup puntual de simetria d\u2019una mol\u00e8cula no cal determinar exhaustivament tots els seus elements de simetria sin\u00f3 que n\u2019hi ha prou amb buscar aquells elements caracter\u00edstics que diferencien un grup d\u2019un altre i aix\u00f2 ens permet fer-ho sistem\u00e0ticament a partir del diagrama de flux de la p\u00e0gina 12.<br \/>\n\u2022 Les operacions de simetria poden ser representades mitjan\u00e7ant matrius, ja que compleixen els requisits necessaris d\u2019un grup matem\u00e0tic.<br \/>\n\u2022 La teoria de Lewis no explica de manera satisfact\u00f2ria la geometria de mol\u00e8cules senzilles.<br \/>\n\u2022 El model de repulsi\u00f3 dels parells d\u2019electrons en la capa de val\u00e8ncia i la teoria de l\u2019enlla\u00e7 de val\u00e8ncia amb hibridaci\u00f3 d\u2019orbitals obtenen resultats molt similars pel que fa a l\u2019explicaci\u00f3 de la geometria de les mol\u00e8cules.<br \/>\n\u2022 En cap cas es dona m\u00e9s d\u2019un enlla\u00e7 sigma en la interacci\u00f3 entre dos \u00e0toms.<br \/>\n\u2022 La teoria d\u2019orbitals moleculars no \u00e9s estricament necess\u00e0ria per explicar la geometria de mol\u00e8cules senzilles.<br \/>\n\u2022 Les xarxes cristallines met\u00e0l\u2022liques poden ser considerades un cas extrem d\u2019enlla\u00e7 covalent segons la teoria de bandes que es basa en la teoria d\u2019orbitals moleculars.<br \/>\nPel que fa als coneixements adquirits, gr\u00e0cies a aquest treball ara comprenc el m\u00f3n subat\u00f2mic, s\u00e9 com la simetria \u00e9s tractada per les matem\u00e0tiques i entenc quines aplicacions pr\u00e0ctiques t\u00e9.<br \/>\nD&#8217;altra banda, amb el meu treball de recerca he apr\u00e9s a utilitzar l\u2019editor d\u2019equacions amb fluidesa i a crear imatges de bona qualitat ajudant-me de programes inform\u00e0tics, aix\u00ed com a organitzar-me a l&#8217;hora de fer un treball d&#8217;una certa envergadura.<br \/>\nDur a terme aquest treball ha fet que m\u2019adon\u00e9s que l\u2019idea preconcebuda que els treballs d\u2019\u00e0mbit cient\u00edfic han de basar-se inq\u00fcestionablement en resultats obtinguts a un laboratori \u00e9s err\u00f2nia. El meu projecte, de fet, est\u00e0 format per una recerca completament bibliogr\u00e0fica i una part pr\u00e0ctica pedag\u00f2gica amb un gran \u00e8mfasi en el seu contingut visual.<\/p>\n<h6><strong>Llocs Web:<\/strong><\/h6>\n<ul>\n<li><a href=\"https:\/\/www.uv.es\/~borrasj\/EQEM_web_page\/temas\/tema_6\/tema_6.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">UNIVERSIDAD DE VAL\u00c9NCIA. El enlace en las mol\u00e9culas.<\/a><\/li>\n<li><a href=\"https:\/\/www.uv.es\/~borrasj\/EQEM_web_page\/temas\/tema_5\/tema_5_enlace_covalente.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u00daNIVERSIDAD DE VAL\u00c9NCIA. Enlace qu\u00edmico 1.<\/a><\/li>\n<li><a href=\"http:\/\/www3.uah.es\/edejesus\/resumenes\/IQI\/tema_3.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">UNIVERSIDAD DE ALCAL\u00c1. La forma de las mol\u00e8cules.<\/a><\/li>\n<li><a href=\"https:\/\/chem.libretexts.org\/Textbook_Maps\/Organic_Chemistry\/Book%3A_Organic_Chemistry_with_a_Biological_Emphasis_(Soderberg)\/Chapter_02%3A_Introduction_to_organic_structure_and_bonding_II\/2.1%3A_Valence_Bond_Theory\" target=\"_blank\" rel=\"noopener noreferrer\">CHEMESTRI. LLIBRE TEXTS. Valence bond theory.<\/a><\/li>\n<li><a href=\"http:\/\/www3.uah.es\/edejesus\/resumenes\/DECI\/tema_1.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">UNIVERSIDAD DE ALCAL\u00c1. Teor\u00eda de grupos aplicada a la simetria.<\/a><\/li>\n<li><a href=\"http:\/\/depa.fquim.unam.mx\/amyd\/archivero\/Orbitalesmoleculares_30429.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">UNIVERSIDAD NACIONAL AUT\u00d3NOMA DE M\u00c9XICO. Orbitales moleculares.<\/a><\/li>\n<li><a href=\"https:\/\/youtu.be\/bvRGaCmIYTI\" target=\"_blank\" rel=\"noopener noreferrer\">EFICIENCIA. Enlace covalente: Teor\u00eda de orbitales moleculares.<\/a><\/li>\n<li><a href=\"https:\/\/docplayer.es\/15395633-Tema-5-introduccion-a-la-simetria-molecular.html\" target=\"_blank\" rel=\"noopener noreferrer\">DOC PLAYER. Introducci\u00f3n a la simetr\u00eda molecular.<\/a><\/li>\n<li><a href=\"https:\/\/docplayer.es\/21111736-Tema-3-enlace-quimico.html\" target=\"_blank\" rel=\"noopener noreferrer\">DOC PLAYER. Enlace qu\u00edmico.<\/a><\/li>\n<li><a href=\"http:\/\/www7.uc.cl\/sw_educ\/qda1106\/CAP3\/3C\/3C3\/index.htm\" target=\"_blank\" rel=\"noopener noreferrer\">EDUC. Hibridaci\u00f3n d^2 sp^3.<\/a><\/li>\n<\/ul>\n<h6><strong>Presentaci\u00f3:<\/strong><\/h6>\n<p><iframe loading=\"lazy\" style=\"border: 1px solid #CCC; border-width: 1px; margin-bottom: 5px; max-width: 100%;\" src=\"\/\/www.slideshare.net\/slideshow\/embed_code\/key\/tflmvCdnZALJPW\" width=\"595\" height=\"485\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n<h6><strong>Fotos:<\/strong><\/h6>\n<div id=\"1234\" style=\"width: 600px; height: 400px; display: none;\"><img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge1_acampayo.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge1_acampayo.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge2_acampayo.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge2_acampayo.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge3_acampayo.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge3_acampayo.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge4_acampayo.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge4_acampayo.jpg\" \/><br \/>\n<script type=\"text\/javascript\" src=\"https:\/\/cdn.jsdelivr.net\/jquery\/1.12.3\/jquery.min.js\"><\/script><br \/>\n<script>\n (MyGalleries=(typeof MyGalleries === 'undefined' ? [] : MyGalleries)).push({gallId:'#1234',autoplay:true,lightbox:true,debug:false,popupLinks:true});\n if(typeof GalleryLoaded === 'undefined'){\n  GalleryLoaded = jQuery(function(){\n   jQuery.ajax({url:'https:\/\/cdn.jsdelivr.net\/galleria\/1.4.2\/galleria.min.js',dataType:'script',cache:true}).done(function(){\n    Galleria.loadTheme('https:\/\/cdn.jsdelivr.net\/galleria\/1.4.2\/themes\/classic\/galleria.classic.js');\n    for(var n in MyGalleries){\n     Galleria.run(MyGalleries[n].gallId, MyGalleries[n]);\n     jQuery(MyGalleries[n].gallId).css('display','block');\n    }\n   });\n  });\n }\n<\/script><\/div>\n<p>&nbsp;<\/p>\n<div><sup><em>Foto 1.- Enlla\u00e7os presents a l&#8217;hexafluorur de sofre<\/em><\/sup><br \/>\n<sup><em>Foto 2.- Enlla\u00e7os presents a l&#8217;\u00e0cid cianh\u00eddric <\/em><\/sup><br \/>\n<sup><em>Foto 3.- Organigrama dels grups puntuals de simetria<\/em><\/sup><br \/>\n<sup><em>Foto 4.- Un dels eixos de rotaci\u00f3 impr\u00f2pia de l&#8217;hexafluorur de sofre<\/em><\/sup><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Alejandro Campayo Fern\u00e1ndez<\/p>\n","protected":false},"author":1,"featured_media":13576,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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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