[{"from": "human", "value": "Write 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, n1ccncc1, nodes [Ni], topology dmp\n composition: Ni4 H20 C20 N8 O8\n"}, {"from": "gpt", "value": " 0.816602405\n"}]