[{"from": "human", "value": "What is the predicted gravimetric heat capacity at 250 K of given MOF with MOF structural features and topology? ->  linker [O-]C(=O)c1cnccc1C(=O)[O-], nodes [Ni][OH2][Ni], topology kgd,\n"}, {"from": "gpt", "value": " 1.907451347\n"}]