Use the 3-D chart
To use the 3-D chart, click here or on the video above. (It takes about 30 seconds to load the isotopes.)
The dataset used to create this 3-D chart was calculated by Stephen Euin Cobb for his Nuclear Rotor Atlas. The Nuclear Rotor Atlas dataset is open-source and is available for download. You are free to use it, model from it, quote it in your papers, and improve it. Most especially, to improve it.
Documentation & parameters
Detailed background on the parameters used in the 3-D chart, including units and how they were calculated: