[{"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 [O-]C(=O)c1cc(OCOc2cc(cc(c2)C(=O)[O-])C(=O)[O-])cc(c1)C(=O)[O-], nodes [Zn], topology rna,bcu\n composition: Zn8 H32 C68 O40\n"}, {"from": "gpt", "value": " 0.803413669\n"}]