[{"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(cn1)C(=O)[O-], nodes O, [Ni], [Sr], topology pcu\n composition: Sr2 Ni2 H20 C28 N4 O20\n"}, {"from": "gpt", "value": " 0.820405532\n"}]