[{"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]P(=O)(c1ccc(cc1)P(=O)([O])[O])[O], nodes [Al], topology pcu\n composition: Al4 P6 H12 C18 O18\n"}, {"from": "gpt", "value": " 0.812750828\n"}]