Q-Chem 5.0 User’s Manual

2.2 Installing Q-Chem

Users are referred to the detailed installation instructions distributed with your copy of Q-Chem.

An encrypted license file, qchem.license.dat, must be obtained from your vendor before you will be able to use Q-Chem. This file should be placed in the directory $QCAUX/license and must be able to be read by all users of the software. This file is node-locked, i.e., it will only operate correctly on the machine for which it was generated. Further details about obtaining this file, can be found in the installation instructions.

Do not alter the license file unless directed by Q-Chem, Inc.