[{"from": "human", "value": "Given MOF with MOF structural features and topology and composition, write its gravimetric heat capacity at 300 K. ->  MOF structural features and topology: linker [N]1C=NN=C1, nodes [OH], [Zn], topology pcu\n composition: Zn8 H12 C8 N12 O4\n"}, {"from": "gpt", "value": " 0.642031443\n"}]