2. Installation

2.1. Installing Arkane

Arkane can be obtained by installing the RMG-Py software, which includes all neccesary dependancies.

Instructions to install RMG-Py can be found at the RMG-Py Installation page.

Note that you’ll need to choose between the Basic User or Developer installation instructions that are specific to your operating system. Modifying Arkane source code will require Developer installation. If you are only looking to run the code, the Basic User installation will work.

2.2. Installing Q2DTor

Q2DTor is a software for calculating the partition functions and themodynamic properties of molecular systems with two or more torsional modes developed by David Ferro Costas (david.ferro@usc.es) and Antonio Fernandez Ramos (qf.ramos@usc.es) at the Universidade de Santiago de Compostela. Arkane can integrate Q2DTor to compute the quantum mechanical partition function of 2D rotors.

For use of Q2DTor and HinderedRotor2D within Arkane please cite: D. Ferro-Costas, M. N. D. S. Cordeiro, D. G. Truhlar, A. Fernández-Ramos, Comput. Phys. Commun. 232, 190-205, 2018.

To install a Q2DTor version compatible with RMG run in the RMG-Py directory:

make q2dtor