Folder structure: - database_heat_capacity: the predicted heat capacity for QMOF, CoREMOF, IZA, and CURATED-COFs between 250K to 400K. - DFT_calculations: heat capacity, crystal structure, and phonon calculations output of the MOFs, COFs, and zeolites in the DFT set. - Figures: the data and codes to generate the figures of the paper in the main text. - ML: structures and features used for machine learning prediction of the heat capacity.