From owner-chemistry@ccl.net Sat Jul 22 00:08:01 2017 From: "Abrash, Samuel sabrash-*-richmond.edu" To: CCL Subject: CCL:G: clarification regarding mp2 level calculation Message-Id: <-52903-170721225221-22274-L7ssUQkqTx/9VsHiSkcmHQ**server.ccl.net> X-Original-From: "Abrash, Samuel" Content-Language: en-US Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="us-ascii" Date: Sat, 22 Jul 2017 02:52:13 +0000 MIME-Version: 1.0 Sent to CCL by: "Abrash, Samuel" [sabrash_+_richmond.edu] Dispersion terms are typically added in density functional calculations. MP2 already accounts for dispersion interactions. Sent from my iPhone > On Jul 21, 2017, at 10:46 PM, Karthick N K nkkarthick1021() gmail.com wrote: > > > Sent to CCL by: "Karthick N K" [nkkarthick1021]![gmail.com] > Hello, > I am a research scholar working on chemical physics...I need to perform mp2 level calculation using Gaussian09W programme package by including dispersion term..can you please tell me what is the keyword to include dispersion in mp2 level calculations? If the calculation completes successfully, how to confirm from the output file whether dispersion has been included? Please help me in this regard...> > From owner-chemistry@ccl.net Sat Jul 22 00:42:01 2017 From: "Marcel Swart marcel.swart,,icrea.cat" To: CCL Subject: CCL:G: clarification regarding mp2 level calculation Message-Id: <-52904-170722003652-7207-Gf932Oxxv/lQaTgr9uK80A-$-server.ccl.net> X-Original-From: Marcel Swart Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary=Apple-Mail-98A22F46-0381-4D56-808A-D1DF7D7183F5 Date: Sat, 22 Jul 2017 06:36:43 +0200 Mime-Version: 1.0 (1.0) Sent to CCL by: Marcel Swart [marcel.swart]*[icrea.cat] --Apple-Mail-98A22F46-0381-4D56-808A-D1DF7D7183F5 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello, Dispersion interactions are included implicitly in MP2, but are overestimate= d. See e.g. the work of Sponer/Hobza on stacking interactions in DNA bases (= 2002-2006), or the work (and reviews) by Stefan Grimme. M. _____________________________________ Prof Dr Marcel Swart, FRSC ICREA Research Professor at Institut de Qu=C3=ADmica Computacional i Cat=C3=A0lisi (IQCC) Univ. Girona (Spain) COST Action CM1305 (ECOSTBio) chair Girona Seminar 2016 organizer IQCC director Young Academy of Europe (Board) member Web http://www.marcelswart.eu vCard addressbook://www.marcelswart.eu/MSwart.vcf > On 22 Jul 2017, at 03:05, Karthick N K nkkarthick1021() gmail.com wrote: >=20 >=20 > Sent to CCL by: "Karthick N K" [nkkarthick1021]![gmail.com] > Hello, > I am a research scholar working on chemical physics...I need to perform m= p2 level calculation using Gaussian09W programme package by including disper= sion term..can you please tell me what is the keyword to include dispersion i= n mp2 level calculations? If the calculation completes successfully, how to c= onfirm from the output file whether dispersion has been included? Please hel= p me in this regard... >=20 >=20 >=20 > -=3D This is automatically added to each message by the mailing script =3D= ->=20>=20>=20 > Subscribe/Unsubscribe:=20>=20>=20 > Job: http://www.ccl.net/jobs=20>=20>=20>=20>=20 >=20 --Apple-Mail-98A22F46-0381-4D56-808A-D1DF7D7183F5 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hello,

Disper= sion interactions are included implicitly in MP2, but are overestimated. See= e.g. the work of Sponer/Hobza on stacking interactions in DNA bases (2002-2= 006), or the work (and reviews) by Stefan Grimme.

M= .

_____________________________________=
Prof Dr Marcel Swart, FRSC

ICREA= Research Professor at
Institut de Qu=C3=ADmica Computacional i= Cat=C3=A0lisi (IQCC)
Univ. Girona (Spain)

COST Action CM1305 (ECOSTBio) chair
Girona Seminar 2016 organizer
IQCC director
Yo= ung Academy of Europe (Board) member
<= br>
Web
vCard
addressbook://www.marce= lswart.eu/MSwart.vcf


On 22 Jul 2017= , at 03:05, Karthick N K nkkarthick1021() gmail= .com <owner-chemistry===ccl.= net> wrote:

=
Sent to CCL by: "Karthick N K" [nkkarthick1021]![gmail.com]
Hello,
 I a= m a research scholar working on chemical physics...I need to perform mp2 lev= el calculation using Gaussian09W programme package by including dispersion t= erm..can you please tell me what is the keyword to include dispersion in mp2= level calculations? If the calculation completes successfully, how to confi= rm from the output file whether dispersion has been included? Please help me= in this regard...


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= --Apple-Mail-98A22F46-0381-4D56-808A-D1DF7D7183F5-- From owner-chemistry@ccl.net Sat Jul 22 05:57:01 2017 From: "navjot navu1989mann++gmail.com" To: CCL Subject: CCL: activation strain model Message-Id: <-52905-170722055631-27996-qlcZUYMqvyBN8ftngHamMw..server.ccl.net> X-Original-From: navjot Content-Type: multipart/alternative; boundary="94eb2c06abb8b1df140554e4fe35" Date: Sat, 22 Jul 2017 15:26:25 +0530 MIME-Version: 1.0 Sent to CCL by: navjot [navu1989mann*|*gmail.com] --94eb2c06abb8b1df140554e4fe35 Content-Type: text/plain; charset="UTF-8" As described in activation strain model the activation energy for a particular reaction is combination of strain energy and interaction energy. I want to know the procedure to calculate strain energy from IRC profile. With regards Navjot kaur JRF --94eb2c06abb8b1df140554e4fe35 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
As described in activation strain model the activation ene= rgy for a particular reaction is combination of strain energy and interacti= on energy. I want to know the procedure to calculate strain energy from IRC= profile.=C2=A0

With regards=C2=A0
Navjot kaur=
JRF=C2=A0
--94eb2c06abb8b1df140554e4fe35--