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<html> <head> <TITLE>Prof. Pekka Pyykkö</TITLE> </head> <body bgcolor=#ffffff> <table border=0 width=950 cellspacing=0 bgcolor=#e0e0e0> <tr><td><img src=./gifs/logo/hy2.gif border=0 align=top> <td>Professor Pekka Pyykkö <td rowspan=6><a href=icons/Pekka_2M_56.jpg target=blank> <img src=icons/Pekka_2M_56.jpg border=0 align=top width=150 height=237 </a>  </a> <tr valign=top><td>Address:<td> Department of Chemistry P.O. Box 55 (A.I. Virtasen aukio 1) FIN-00014 University of Helsinki FINLAND <tr><td>E-mail:<td>Pekka.Pyykko(a)helsinki.fi </td> <tr><td> </tr> <tr><td> Adjacent photo by Veikko Somerpuro, 2019. <td> Click to enlarge. </table> <hr> Thanks for visiting my Home Page. <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> An official portrait by Jussi Aalto was uncovered in 2009: <A HREF= "https://www.blipfoto.com/view.php?id=393782&month=10&year=2009#comments"> Jussi Aalto's picture blog.</A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> A webcast of the Farewell Lecture on 29 October 2009 (in Swedish, 57'46") can be heard or copied as a YouTube version <A HREF= "http://www.helsinki.fi/fi/unitube/video/467d8a98-6abe-4ed1-b950-41d03ff3e7bc"> U of H Video archive UniTube </A>. The original PDF slides in English: <A HREF= "http://www.chem.helsinki.fi/~pyykko/47Years_2009.pdf"> PDF </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> The Davidson Lecture, delivered for University of North Texas on 25 October 2013. <A HREF="http://www.chem.helsinki.fi/~pyykko/Videos/UNT.mp4"> Here, 54'. </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> The slides of a lecture, delivered at the 50th anniversary of the Laboratory for Instruction in Swedish, Department of Chemistry, University of Helsinki, on 12 November 2013. <A HREF="http://www.chem.helsinki.fi/~pyykko/talks/Kemen_50_aar.ppt"> PPT here </A>. <A HREF="http://www.chem.helsinki.fi/~pyykko/talks/Kemen_50_aar.pdf"> PDF here. </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> An interview on the Periodic Table by Matt Davenport at the ACS congress in San Diego, CA on 27 August 2019. <A HREF="https://www.facebook.com/CENews/videos/462653341010235/"> Here. </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> A brief history of quantum chemistry in Finland, ca. 1960-2023. <A HREF="https://drive.google.com/file/d/1CUy3lM5l6aJ_Cty4qn6xmBGfem8DSzoI/view?usp=share_link"> Here. </A> Research interests <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> Relativistic effects in heavy-element chemistry. <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> Closed-shell interactions in inorganic and organometallic systems. <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> Determination of nuclear quadrupole moments, Q, from spectroscopic eqQ/h and accurate quantum chemical calculations. <A HREF= "http://www.chem.helsinki.fi/~pyykko/Qvalues18.pdf">The "2017" set </A> is here. <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A <A HREF="http://www.chem.helsinki.fi/~pyykko/science.html"> Paper [205] in Science (October 6, 2000) on noble-metal--noble-gas chemical bonds. </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A HREF="http://www.chem.helsinki.fi/~pyykko/curriculum/CV_2025.pdf"> Curriculum Vitae </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A HREF="http://www.chem.helsinki.fi/~pyykko/pekka/pekka.html">List of Publications (1- )</A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A HREF="http://www.chem.helsinki.fi/~pyykko/Radii19.pdf"> Year-2009 single-, double- and triple-bond covalent radii and Year-2012 tetrahedral covalent radii. </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP> <A HREF="https://rtam.chem.helsinki.fi">The RTAM bibliography of relativistic calculations on atoms and molecules.</A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A HREF="http://www.chem.helsinki.fi/~pyykko/huki1-89.txt">The "yellow card" (Report HUKI 1-89 on natural constants). </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A HREF="http://www.chem.helsinki.fi/~pyykko/REHE/nl.html"> The REHE programme </A> of the <A HREF="https://www.esf.org"> ESF. </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A <A HREF="http://www.chem.helsinki.fi/~pyykko/professorit.html"> List of Chemistry Professors in Finland in 1761-2000. </A> <IMG SRC="./gifs/bullets/ball67.gif" ALIGN=TOP><A <A HREF="http://www.chem.helsinki.fi/~pyykko/pekka/historypap.html"> Papers on history of chemistry. </A> Last update 3 February 2025. <img src="./gifs/bar/bombbar.gif"> <center> Interesting links</center> <A HREF="https://www.visitfinland.com/">Enter Finland </A> <A HREF="https://www.helsinki.fi/en/faculty-science/faculty/chemistry/">Home Page for Department of Chemistry</A>  <hr> <center> Pekka Pyykko <a href="mailto:Pekka.Pyykko@helsinki.fi"> <img src=./gifs/anim/3demail.gif border=0> Pekka.Pyykko(a)helsinki.fi</a> </center> </body> </html>