This dataset contains all the raw and processed data related to the publication "Giant magnetocaloric effect in a rare-earth-free layered coordination polymer at liquid hydrogen temperatures". It contains powder and single-crystal X-ray diffraction, atomic force microscopy, transmission electron microscopy, Fourier-transform infrared spectroscopy, magnetisation versus temperature and applied magnetic field, heat capacity versus temperature and applied magnetic field, adiabatic temperature change versus applied magnetic field.

The readme.txt file contains a detailed description of the contents of the data set and explains which figures in the article the data files correspond to.

The full citation will be added upon publication of the article.