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Download iORA: Go to Apple App Store and search “iORA”. Download by clicking “GET”.

Description: Interactive Organic Reaction Animations (iORA) is a free, easily downloadable, easy to use, highly interactive smartphone application that provides 3D visualization of quasiclassical direct (density functional theory) dynamics simulations.

WebORA: A companion website with animations is also available.

Privacy Policy
iORA does not collect, store, or transmit any personal information.

If you have any questions, please email Prof. Daniel Ess (