[{"from": "human", "value": "Tell me the gravimetric heat capacity at 300 K of given MOF with MOF structural features and topology and composition. ->  MOF structural features and topology: linker [O-]C(=O)c1ccc(o1)C(=O)[O-], nodes [Cd], topology sxd\n composition: Cd3 H8 C24 O20\n"}, {"from": "gpt", "value": " 0.686975633\n"}]