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</o:shapelayout></xml><![endif]--></head><body link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=SL style='font-family:"Tahoma",sans-serif'></span><a name="_Hlk20313133"><span lang=SL>Vabimo vas na 8. predavanje iz sklopa "Kolokviji na IJS" v letu 2019/20, ki bo <strong><span style='color:red'>v sredo, 5. februarja 2020, ob 13. uri </span></strong><span style='color:red'>v Veliki predavalnici Instituta »Jožef Stefan«</span> na Jamovi cesti 39 v Ljubljani. Napovednik predavanja najdete tudi na naslovu </span></a><a href="http://www.ijs.si/ijsw/Koledar_prireditev"><span style='mso-bookmark:_Hlk20313133'><span lang=SL>http://www.ijs.si/ijsw/Koledar_prireditev</span></span><span style='mso-bookmark:_Hlk20313133'></span></a><span style='mso-bookmark:_Hlk20313133'><span lang=SL>, posnetke preteklih predavanj<span style='color:blue'> </span>pa na </span></span><a href="http://videolectures.net/kolokviji_ijs"><span style='mso-bookmark:_Hlk20313133'><span lang=SL>http://videolectures.net/kolokviji_ijs</span></span><span style='mso-bookmark:_Hlk20313133'></span></a><span style='mso-bookmark:_Hlk20313133'><span lang=SL>. </span></span><span style='mso-bookmark:_Hlk20313133'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:#1000'><o:p></o:p></span></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='mso-bookmark:_Hlk20313133'><span lang=SL>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><b><span lang=EN-US>prof. dr. Simon Parsons</span></b></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><i><span lang=EN-US>School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh, Edinburgh, Velika Britanija</span></i></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;text-align:justify'><span style='mso-bookmark:_Hlk20313133'><b><span lang=SL style='font-size:14.0pt'>Visoki tlaki in molekularna trdna snov</span></b></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;text-align:justify'><span style='mso-bookmark:_Hlk20313133'><span lang=SL>V organski trdni snovi lahko z visokimi tlaki do 10 GPa (100 000 atm) dosežemo kompresijo medmolekularnih interakcij in fazne prehode. Tlak je tako zelo koristen način za študij polimorfizma v molekularnih trdninah. Raziskali smo materiale z vodikovo vezjo (npr. aminokisline) kakor tudi druge preproste spojine (npr. piridin) in v prvem delu predavanja bomo pokazali, kako lahko eksperimentalno opažene strukture organskih trdnin interpretiramo s semiempiričnimi in ab initio izračuni ter tako pridemo do vpogleda v fazno stabilnost na ravni posameznih medmolekulskih interakcij. V drugem delu predavanja se bomo osredotočili na uporabo visokega tlaka pri študiju kristalnih struktur koordinacijskih spojin. Medtem ko v organskih trdnih snoveh tlak navadno ne vpliva na dolžine in kote intramolekulskih vezi, je molekulska geometrija okoli kovinskih atomov v koordinacijskih kompleksih mnogo bolj prožna. Zaradi te lastnosti so kompleksi prehodnih kovin še posebej zanimivi za visokotlačne raziskave, v katerih raziskujemo povezavo med strukturo in snovnimi lastnostmi. S tem pristopom smo preučili molekularne magnete.<o:p></o:p></span></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;text-align:justify'><span style='mso-bookmark:_Hlk20313133'><span lang=SL>Predavanje bo v angleščini.<o:p></o:p></span></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span style='mso-bookmark:_Hlk20313133'><strong><span lang=SL style='color:red'>Lepo vabljeni!</span></strong></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span style='mso-bookmark:_Hlk20313133'><strong><span lang=SL style='font-weight:normal'> </span></strong></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><span lang=SL> ***************<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><span lang=SL> <o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><span lang=SL> <o:p></o:p></span></span></p><span lang=SL style='font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:SL'><br clear=all style='page-break-before:always'></span><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:black'>We invite you to the 8th Institute colloquium in the academic year 2019/20. The colloquium will be held </span></span><span style='mso-bookmark:_Hlk20313133'><b><span lang=SL style='color:red'>on Wednesday February 5, 2020 at 1 PM</span></b></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:red'> in <b>the main Institute lecture hall</b></span></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:black'>, Jamova 39, Ljubljana. To read the abstract click </span></span><a href="http://www.ijs.si/ijsw/Koledar_prireditev"><span style='mso-bookmark:_Hlk20313133'><span lang=SL>http://www.ijs.si/ijsw/Koledar_prireditev</span></span><span style='mso-bookmark:_Hlk20313133'></span></a><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:#1F497D'>. </span></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:black'>Past colloquia are posted on</span></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:#1F497D'> </span></span><a href="http://videolectures.net/kolokviji_ijs"><span style='mso-bookmark:_Hlk20313133'><span lang=SL>http://videolectures.net/kolokviji_ijs</span></span><span style='mso-bookmark:_Hlk20313133'></span></a><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:#1F497D'>.</span></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><span lang=SL style='color:#1F497D'> </span></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='mso-bookmark:_Hlk20313133'><span lang=SL>********************************************<o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><b><span lang=EN-US>prof. dr. Simon Parsons</span></b></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><i><span lang=EN-US>School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh, Edinburgh, United Kingdom</span></i></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><b><i><span lang=EN-US> </span></i></b></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=Default><span style='mso-bookmark:_Hlk20313133'><b><span lang=SL style='font-size:14.0pt;font-family:"Times New Roman",serif;color:#202020;mso-fareast-language:SL'>High pressure and the molecular solid state</span></b></span><span style='mso-bookmark:_Hlk20313133'><span lang=EN-US><o:p></o:p></span></span></p><p class=Default><span style='mso-bookmark:_Hlk20313133'><span lang=EN-US style='font-family:"Times New Roman",serif'> </span></span><span style='mso-bookmark:_Hlk20313133'><span lang=EN-US><o:p></o:p></span></span></p><p class=MsoNormal style='text-align:justify'><span style='mso-bookmark:_Hlk20313133'><span lang=EN-US style='font-family:"Cambria",serif;color:black;mso-fareast-language:EN-US'>In the organic solid state application of high pressure to 10 GPa (100 000 atm) leads to compression of intermolecular interactions and phase transitions. Pressure is therefore a very useful means for studying polymorphism in molecular solids. We have investigated hydrogen-bonded materials (e.g. amino acids) as well as very simple compounds (e.g. pyridine), and the first part of the talk will show how experimental structures of organic solids can be interpreted using semi-empirical and ab initio calculations to develop an understanding of phase stability at the level of individual molecule-molecule interactions. The second part of the talk will focus on application of high pressure to crystals of coordination compounds. In organic solids intramolecular bond distances and angles are generally not greatly affected by pressure, but the same is not true in coordination complexes, where metal geometry is much more flexible. This feature makes transition metal complexes particularly attractive subjects for high-pressure studies which explore structure-property relationships, and we have applied this approach in studies of single molecule magnets. </span></span><span style='mso-bookmark:_Hlk20313133'><span lang=SL><o:p></o:p></span></span></p><p class=MsoNormal style='text-align:justify'><span style='mso-bookmark:_Hlk20313133'><span lang=SL> <o:p></o:p></span></span></p><p class=MsoNormal><span style='mso-bookmark:_Hlk20313133'><span lang=SL>Cordially invited!</span></span><span lang=SL><o:p></o:p></span></p><p class=MsoNormal><span lang=SL> <o:p></o:p></span></p></div></body></html>