[{"from": "human", "value": "What is the gravimetric heat capacity at 300 K for MOF with MOF structural features and topology and composition? ->  MOF structural features and topology: linker [O-]C(=O)c1cnccn1, nodes Cl[Ni], topology \n composition: Ni4 H12 C20 N8 Cl4 O8\n"}, {"from": "gpt", "value": " 0.736052691\n"}]