[{"from": "human", "value": "What is the gravimetric heat capacity at 300 K for MOF with MOF structural features and topology and composition? ->  MOF structural features and topology: linker [O]P(=O)(O)[O], [O]P(=O)([O])O, nodes [Cd], topology hcb\n composition: Cd4 P4 H4 C4 O24\n"}, {"from": "gpt", "value": " 0.600416673\n"}]