[{"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(cc1)C(=O)[O-], nodes [Fe][O]([Fe])[Fe], topology acs\n composition: Fe6 H24 C48 O26\n"}, {"from": "gpt", "value": " 0.854477993\n"}]