Sodium Cyanide (NaCN) C1N1Na1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -19.422 -98.299 -98.299 INFINITE 100 47.363 35.146 200.082 -16.494 -98.220 -91.268 47.673 172.100 93.722 69.586 138.127 -11.796 I <--> II 172.100 93.724 69.588 138.127 -11.796 TRANSITION 200 67.877 80.075 129.338 -9.853 -95.817 -85.077 22.220 288.5001548.088 111.062 118.520 -2.152 II <--> III 288.5001548.129 111.063 118.520 -2.151 TRANSITION 298.15 68.681 118.467 118.467 0. 90.709 80.413 14.088 300 68.575 118.892 118.469 0.127 -90.677 -80.349 13.990 400 68.659 138.659 121.165 6.998 -91.909 -76.931 10.046 500 68.752 153.990 126.254 13.868 -90.937 -73.303 7.658 600 68.848 166.534 131.953 20.748 -90.143 -69.854 6.081 700 68.945 177.154 137.671 27.638 -89.499 -66.526 4.964 800 69.046 186.367 143.195 34.537 -88.985 -63.280 4.132 835.000 69.082 189.324 145.067 36.955 III <--> LIQUID 900 69.145 194.505 148.453 41.447 88.585 60.092 3.488 1000 69.245 201.795 153.429 48.367 -88.296 -56.943 2.974 1100 69.354 208.400 158.131 55.297 -88.117 -53.817 2.556 1200 69.462 214.439 162.575 62.237 -184.812 -48.263 2.101 1300 69.570 220.004 166.781 69.189 -183.935 -36.920 1.483 1400 69.676 225.163 170.769 76.151 -183.108 -25.642 0.957 1500 69.781 229.974 174.558 83.124 -182.322 -14.422 0.502 1600 69.885 234.481 178.164 90.107 -181.572 -3.254 0.106 1700 69.988 238.721 181.602 97.101 -180.852 7.869 -0.242 1800 70.090 242.724 184.888 104.105 -180.158 18.950 -0.550 1900 70.191 246.516 188.032 111.119 -179.488 29.993 -0.825 2000 70.291 250.119 191.047 118.143 -178.837 41.002 -1.071