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	<title>MRCC - Revision history</title>
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	<updated>2026-06-10T19:07:19Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wikis.ch.cam.ac.uk/thom/wiki/index.php?title=MRCC&amp;diff=264&amp;oldid=prev</id>
		<title>Ajwt3: Created page with &quot;MRCC is installed on carpathia in ajwt3&#039;s home   To run a sample calculation on C2 at CCSDT    mkdir -p ~/calc/mrcc/C2   cd !$  Now create a file ccsdt.inp with the following ...&quot;</title>
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		<updated>2017-09-14T09:29:27Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;MRCC is installed on carpathia in ajwt3&amp;#039;s home   To run a sample calculation on C2 at CCSDT    mkdir -p ~/calc/mrcc/C2   cd !$  Now create a file ccsdt.inp with the following ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;MRCC is installed on carpathia in ajwt3&amp;#039;s home&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
To run a sample calculation on C2 at CCSDT&lt;br /&gt;
&lt;br /&gt;
  mkdir -p ~/calc/mrcc/C2&lt;br /&gt;
  cd !$&lt;br /&gt;
&lt;br /&gt;
Now create a file ccsdt.inp with the following contents&lt;br /&gt;
  basis=cc-pVTZ&lt;br /&gt;
  calc=CCSDT&lt;br /&gt;
  mem=12GB&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
  geom=xyz&lt;br /&gt;
  2&lt;br /&gt;
  &lt;br /&gt;
  C  0 0 0&lt;br /&gt;
  C  0 0 1.5&lt;br /&gt;
&lt;br /&gt;
Annoyingly not all basis sets exist in MRCC, so you will need to read the documentation if you wish to use one it doesn&amp;#039;t recognise or isn&amp;#039;t in ~ajwt/code/mrcc/BASIS&lt;br /&gt;
Now we return to running the calculation.  MRCC needs a lot of scratch space, so we actually run the calculation on scratch.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
  mkdir -p /scratch/$USER/calc/mrcc/C2&lt;br /&gt;
  ln -s !$ work&lt;br /&gt;
&lt;br /&gt;
  cp ccsdt.inp work/MINP&lt;br /&gt;
  cd work&lt;br /&gt;
&lt;br /&gt;
MRCC&amp;#039;s input file is called MINP.  You&amp;#039;ll need to load a module to make MRCC work, and to include it in your path&lt;br /&gt;
&lt;br /&gt;
  module load mkl&lt;br /&gt;
  export PATH=$PATH:~ajwt3/code/mrcc&lt;br /&gt;
  dmrcc &amp;gt; ~/calc/mrcc/C2/ccsdt.out&lt;/div&gt;</summary>
		<author><name>Ajwt3</name></author>
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