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ORCA

ORCA is an ab-initio quantum chemistry package.

Sample scripts for ORCA use are available in directory /opt/packages/examples/orca on Bridges-2.

Documentation

Usage on Bridges-2

To see what versions of ORCA are available and if there is more than one, which is the default, along with some help, type

module spider orca

To use ORCA, include a command like this in your batch script or interactive session to load the ORCA module: (note ‘module load’ is case-sensitive):

module load orca