The Atomic Simulation Environment (ASE) is a set of tools and Python modules for setting up, manipulating, running, visualizing and analyzing atomistic simulations.
Open OnDemand
Expand title Select Visualization from the Interactive Apps dropdown. 
Expand title Select ASE from the dropdown list and choose the resources you want to use. Click "Launch" to submit your request to the SLURM scheduler. 
Expand title When resources are available, a blue "Launch Visualization" button will appear. Click to button to launch ASE. 
Expand title ASE on Open OnDemand 