Nitrogen Oxide (N2O4) N2O4(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -21.390 -30.399 -30.399 INFINITE 100 60.702 56.130 237.659 -18.153 -35.874 9.156 -4.783 200 91.701 108.002 160.472 -10.494 -36.947 54.843 -14.324 261.950 110.918 135.224 151.325 -4.218 CRYSTAL <--> LIQUID 298.15 122.103 150.290 150.290 0. 35.046 99.603 17.450 300 122.675 151.047 150.292 0.226 -34.982 100.438 -17.488 400 153.636 190.991 155.526 14.186 -29.882 144.891 -18.921 500 167.360 227.068 166.310 30.379 -22.746 187.782 -19.617