Phosphorus, Black (P) P1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -3.660 -11.151 -11.151 INFINITE 100 9.063 5.673 38.599 -3.293 -11.671 -10.469 5.469 200 17.343 14.800 24.438 -1.928 -12.569 -9.104 2.378 250 19.778 18.944 22.931 -0.997 -12.730 -8.218 1.717 298.15 21.547 22.586 22.586 0. -12.851 -7.338 1.286 300 21.602 22.719 22.586 0.040 -12.855 -7.304 1.272 350 22.644 26.129 22.853 1.147 -13.684 -6.298 0.940 400 23.531 29.213 23.458 2.302 -13.845 -5.232 0.683 450 24.183 32.022 24.256 3.495 -13.969 -4.147 0.481 500 24.836 34.604 25.164 4.720 -14.060 -3.051 0.319 600 26.146 39.246 27.132 7.268 -14.144 -0.839 0.073 700 27.547 43.382 29.163 9.953 -14.092 1.376 -0.103 800 28.970 47.153 31.179 12.779 -13.899 3.575 -0.233 900 30.393 50.647 33.151 15.747 -13.563 5.740 -0.333 1000 31.815 53.923 35.066 18.857 -13.085 7.861 -0.411