CCL: Unsolved Problems



 Sent to CCL by: "Demetra  Dimetrodon" [dpfiz^^hotmail.com]
 Totally true. For example, the LCAO approximation. What is the mechanism for
 spins flipping upon the formation of a covalent bond, for example in O_2
 formation?
 > "Cina Foroutan-Nejad canyslopus^^^yahoo.co.uk"  wrote:
 >
 > Sent to CCL by: Cina Foroutan-Nejad [canyslopus ~ yahoo.co.uk]
 > ---908983334-322261903-1406239871=:51892
 > Content-Type: text/plain; charset=iso-8859-1
 > Content-Transfer-Encoding: quoted-printable
 >
 > The biggest unsolved problem of computational chemistry is "chemical
 bond".=
 >  If one looks at the list of bond theories will realize how critical it
 is.=
 >  So many debates and finally nothing acceptable for all. This is in fact a
 =
 > part of a deeper question: "is chemistry reducible to physics?".
 How to def=
 > ine chemical concepts in the context of physics. Chemical bond,
 aromaticity=
 > , alpha effect, etc. It looks so old-fashioned but I think it looks
 old-fas=
 > hioned because people are tired of endless discussions.=0A=0ACiao,=0ACina=
 >
 =0A=0A---------------------------------------------------------------------=
 > ------------=0ACina Foroutan-Nejad, PhD=0ANational Center for Biomolecular
 =
 > Research,=0AMasaryk University, Brno,=0ACzech Republic=0Ahttps://muni.acade=
 > mia.edu/CinaForoutanNejad=0A=0A=0A=0AOn Thursday, 24 July 2014, 23:44, Joe
 =
 > Leonard jleonard42 : gmail.com <owner-chemistry[A]ccl.net> wrote:=0A
 =0A=0A=
 > =0AHmm... =A0How about:=0A=0A- A (docking) scoring function that actually
 w=
 > orked - was predictive, extensible and reproducible=0A- A force field that
 =
 > worked well for both large and small molecules (separately and in
 combinati=
 > on)=0A=0AAre these on the level of string theory? =A0No. =A0But there's
 rea=
 > l, concrete problems facing industrial (and some academic) researchers
 that=
 >  should be addressed. =A0There are others, but this should get things
 start=
 > ed.=0A=0AJoe=0A=0A=0AOn Jul 24, 2014, at 3:28 PM, Sebastian Kozuch
 seb.kozu=
 > ch:gmail.com <owner-chemistry{=3D}ccl.net> wrote:=0A=0A=0A>Sent to
 CCL by: =
 > "Sebastian =A0Kozuch" [seb.kozuch|a|gmail.com]=0A>Dear CCL
 users,=0A>Except=
 >  for some bashing to a particular computational chemistry journal, in the
 l=
 > ast months we have been slow on controversial and/or philosophical
 question=
 > s (it feels like the double blind reviewing and the patriarchalization of
 c=
 > onferences debates happened ages ago).=0A>So here is a question. It draw
 my=
 >  attention that there are lists of unsolved problems on several topics
 (en.=
 > wikipedia.org/wiki/List_of_unsolved_problems), including chemistry.
 =0A>=0A=
 > >What would be a List of Unsolved Problems in Theoretical and
 Computational=
 >  Chemistry?=0A>=0A>(Please dont say something obvious like solving
 the rela=
 > tivistic full CI of a
 protein.)=0A>=0A>Best,=0A>Sebastian=0A>=0A>=0A>=0A>-=
 > =3D This is automatically added to each message by the mailing script =3D-=
 > =0A>To recover the email address of the author of the message, please
 chang=
 > e=0A>the strange characters on the top line to the {=3D} sign. You can
 also=
 > =0A=0A>=0A>E-mail to =
 > subscribers: CHEMISTRY{=3D}ccl.net or use:=0A>=A0=A0=A0=A0=A0http://www.ccl=
 > .net/cgi-bin/ccl/send_ccl_message=0A>=0A>E-mail to administrators:
 CHEMISTR=
 > Y-REQUEST{=3D}ccl.net or use=0A>=A0=A0=A0=A0=A0http://www.ccl.net/cgi-bin/c=
 > cl/send_ccl_message=0A>=0A>=A0=A0=A0=A0=A0http://www.ccl.net/chemistry/sub_=
 > unsub.shtml=0A>=0A=
 > =0A>=0A=0A>Conferences: http://server.ccl.net=
 > /chemistry/announcements/conferences/=0A>=0A>Search Messages: http://www.cc=
 > l.net/chemistry/searchccl/index.shtml=0A>=0A>If your mail bounces
 > from CC=
 > L with 5.7.1 error, check:=0A>=A0=A0=A0=A0=A0http://www.ccl.net/spammers.tx=
 > t=0A>=0A=0A>=0A>=
 > =0A>=0A=0A--=0AHow self-centered do you have to be to=A0tell yourself
 that =
 > someone=A0else's rights aren't real, but yours are?
 > ---908983334-322261903-1406239871=:51892
 > Content-Type: text/html; charset=iso-8859-1
 > Content-Transfer-Encoding: quoted-printable
 >
 > <html><body><div style=3D"color:#000;
 background-color:#fff; font-family:He=
 > lveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
 Sans-Serif;fo=
 > nt-size:10pt"><div class=3D""
 style=3D"">The biggest unsolved problem of co=
 > mputational chemistry is "chemical bond". If one looks at the
 list of bond =
 > theories will realize how critical it is. So many debates and finally
 nothi=
 > ng acceptable for all. This is in fact a part of a deeper question:
 "is che=
 > mistry reducible to physics?". How to define chemical concepts in the
 conte=
 > xt of physics. Chemical bond, aromaticity, alpha effect, etc. It looks so
 o=
 > ld-fashioned but I think it looks old-fashioned because people are tired
 of=
 >  endless discussions.</div><div class=3D""
 style=3D""><br class=3D"" style=
 > =3D""></div><div style=3D"color: rgb(0, 0, 0);
 font-size: 13px; font-family=
 > : HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande',
 sans-=
 > serif; font-style: normal; background-color: transparent;"
 class=3D"">Ciao,=
 > </div><div
 >  style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family:
 HelveticaNeue,=
 >  'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;
 font-styl=
 > e: normal; background-color: transparent;"
 class=3D"">Cina</div><div style=
 > =3D"color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue,
 'Helv=
 > etica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style:
 nor=
 > mal; background-color: transparent;" class=3D""><br
 class=3D"" style=3D""><=
 > /div><div style=3D"color: rgb(0, 0, 0); font-size: 13px;
 font-family: Helve=
 > ticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;
 =
 > font-style: normal; background-color: transparent;"
 class=3D"">------------=
 >
 ---------------------------------------------------------------------</div>=
 > <div style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family:
 HelveticaN=
 > eue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;
 font-=
 > style: normal; background-color: transparent;"
 class=3D"">Cina Foroutan-Nej=
 > ad,
 >  PhD</div><div style=3D"color: rgb(0, 0, 0); font-size: 13px;
 font-family: =
 > HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande',
 sans-se=
 > rif; font-style: normal; background-color: transparent;"
 class=3D"">Nationa=
 > l Center for Biomolecular Research,</div><div style=3D"color:
 rgb(0, 0, 0);=
 >  font-size: 13px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica,
 =
 > Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color:
 t=
 > ransparent;" class=3D"">Masaryk University,
 Brno,</div><div style=3D"color:=
 >  rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue, 'Helvetica
 Neue=
 > ', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal;
 backg=
 > round-color: transparent;" class=3D"">Czech
 Republic</div><div style=3D"bac=
 > kground-color: transparent;" class=3D"">https://muni.academia.edu/CinaForou=
 > tanNejad<br class=3D"" style=3D""></div>
 <div class=3D"qtdSeparateBR"><br><=
 > br></div><div class=3D"yahoo_quoted"
 style=3D"display: block;"> <div style=
 > =3D"font-family:
 >  HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande,
 Sans-Serif=
 > ; font-size: 10pt;" class=3D""> <div
 style=3D"font-family: HelveticaNeue, H=
 > elvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size:
 12pt=
 > ;" class=3D""> <div dir=3D"ltr"
 class=3D"" style=3D""> <font size=3D"2" fac=
 > e=3D"Arial" class=3D"" style=3D""> On
 Thursday, 24 July 2014, 23:44, Joe Le=
 > onard jleonard42 : gmail.com &lt;owner-chemistry[A]ccl.net&gt;
 wrote:<br clas=
 > s=3D"" style=3D""> </font> </div>
 <br class=3D"" style=3D""><br class=3D""=
 >  style=3D""> <div class=3D""
 style=3D""><div id=3D"yiv6222846487" class=3D"=
 > " style=3D""><div class=3D""
 style=3D"">Hmm... &nbsp;How about:<div class=
 > =3D"" style=3D""><br class=3D""
 style=3D""></div><div class=3D""
 style=3D""=
 > >- A (docking) scoring function that actually worked - was predictive,
 exte=
 > nsible and reproducible</div><div class=3D""
 style=3D"">- A force field tha=
 > t worked well for both large and small molecules (separately and in
 combina=
 > tion)</div><div class=3D""
 style=3D""><br class=3D""
 >  style=3D""></div><div class=3D""
 style=3D"">Are these on the level of stri=
 > ng theory? &nbsp;No. &nbsp;But there's real, concrete problems
 facing indus=
 > trial (and some academic) researchers that should be addressed.
 &nbsp;There=
 >  are others, but this should get things started.</div><div
 class=3D"" style=
 > =3D""><br class=3D""
 style=3D""></div><div class=3D""
 style=3D"">Joe</div><=
 > div class=3D"" style=3D""><br
 class=3D"" style=3D""><div class=3D"" style=
 > =3D""><div class=3D"" style=3D"">On
 Jul 24, 2014, at 3:28 PM, Sebastian Koz=
 > uch seb.kozuch:gmail.com &lt;<a rel=3D"nofollow"
 ymailto=3D"mailto:owner-ch=
 > emistry{=3D}ccl.net" target=3D"_blank" href=3D"mailto:owner-chemistry{=3D}c=
 > cl.net" class=3D""
 style=3D"">owner-chemistry{=3D}ccl.net</a>&gt;
 wrote:</d=
 > iv><br class=3D"" style=3D""><blockquote
 type=3D"cite" class=3D"" style=3D"=
 > "><br class=3D"" style=3D"">Sent to CCL
 by: "Sebastian &nbsp;Kozuch" [seb.k=
 > ozuch|a|<a rel=3D"nofollow" target=3D"_blank"
 href=3D"http://gmail.com/"; cl=
 > ass=3D"" style=3D"">gmail.com</a>]<br
 class=3D"" style=3D"">Dear CCL
 >  users,<br class=3D"" style=3D"">Except for some
 bashing to a particular co=
 > mputational chemistry journal, in the last months we have been slow on
 cont=
 > roversial and/or philosophical questions (it feels like the double blind
 re=
 > viewing and the patriarchalization of conferences debates happened ages
 ago=
 > ).<br class=3D"" style=3D"">So here is a
 question. It draw my attention tha=
 > t there are lists of unsolved problems on several topics (<a
 rel=3D"nofollo=
 > w" target=3D"_blank" href=3D"http://en.wikipedia.org/wiki/List_of_unsolved_=
 > problems" class=3D""
 style=3D"">en.wikipedia.org/wiki/List_of_unsolved_prob=
 > lems</a>), including chemistry. <br class=3D""
 style=3D""><br class=3D"" st=
 > yle=3D"">What would be a List of Unsolved Problems in
 Theoretical and Compu=
 > tational Chemistry?<br class=3D""
 style=3D""><br class=3D""
 style=3D"">(Ple=
 > ase dont say something obvious like solving the relativistic full CI of a
 p=
 > rotein.)<br class=3D"" style=3D""><br
 class=3D"" style=3D"">Best,<br class=
 > =3D"" style=3D"">Sebastian<br
 class=3D""
 >  style=3D""><br class=3D""
 style=3D""><br class=3D""
 style=3D""><br class=
 > =3D"" style=3D"">-=3D This is automatically added to
 each message by the ma=
 > iling script =3D-<br class=3D"" style=3D"">To
 recover the email address of =
 > the author of the message, please change<br class=3D""
 style=3D"">the stran=
 > ge characters on the top line to the {=3D} sign. You can also<br
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 >  style=3D""<br class=
 > =3D"" style=3D""><br class=3D""
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 style=3D"">CHEMISTRY{=3D}ccl.n=
 > et</a> or use:<br class=3D"" style=3D"">
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 > shtml</a><br class=3D"" style=3D""><br
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 >  style=3D""><br class=3D""
 style=3D""></blockquote></div><br
 class=3D"" sty=
 > le=3D""><div class=3D""
 style=3D"">=0A<div style=3D"text-indent:0px;word-wr=
 > ap:break-word;" class=3D""><div
 style=3D"text-indent:0px;word-wrap:break-wo=
 > rd;" class=3D"">--<br class=3D""
 style=3D"">How self-centered do you have t=
 > o be to&nbsp;tell yourself that someone&nbsp;else's rights aren't
 real, but=
 >  yours are?<br class=3D"" style=3D""><br
 class=3D"" style=3D""><br class=3D=
 > ""
 style=3D""></div></div>=0A=0A</div>=0A<br
 class=3D"" style=3D""></div></=
 > div></div><br class=3D""
 style=3D""><br class=3D""
 style=3D""></div>  </div=
 > > </div>  </div> </div></body></html>
 > ---908983334-322261903-1406239871=:51892--
 >
 >