Lead Bromide (PbBr2) Br2Pb1(cr,l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -19.235 -265.247 -265.247 INFINITE 100 68.199 79.592 229.504 -14.991 -265.562 -264.454 138.136 200 76.567 129.902 168.330 -7.686 -265.682 -263.324 68.773 298.15 79.578 161.128 161.128 0. -277.399 -260.743 45.681 300 79.613 161.620 161.129 0.147 -277.442 -260.640 45.381 400 81.253 184.747 164.272 8.190 -306.608 -248.951 32.510 500 84.684 203.229 170.271 16.479 -304.824 -234.739 24.523 600 88.784 219.026 177.110 25.149 -302.762 -220.910 19.232 644.000 90.667 225.375 180.193 29.097 CRYSTAL <--> LIQUID 644.000 112.131 250.908 180.193 45.540 TRANSITION 700 112.131 260.257 186.229 51.820 -287.652 -208.133 15.531 800 112.131 275.230 196.439 63.033 -283.209 -197.076 12.868 900 112.131 288.437 205.942 74.246 -278.745 -186.577 10.829 1000 112.131 300.252 214.792 85.459 -274.261 -176.576 9.223 1100 112.131 310.939 223.055 96.672 -269.755 -167.026 7.931 1200 112.131 320.696 230.791 107.885 -265.228 -157.886 6.873 1300 112.131 329.671 238.057 119.098 -260.686 -149.125 5.992 1400 112.131 337.981 244.901 130.312 -256.145 -140.714 5.250 1500 112.131 345.717 251.367 141.525 -251.615 -132.627 4.618 1600 112.131 352.954 257.493 152.738 -247.104 -124.842 4.076 1700 112.131 359.752 263.310 163.951 -242.617 -117.338 3.605 1800 112.131 366.161 268.847 175.164 -238.159 -110.098 3.195 1900 112.131 372.223 274.130 186.377 -233.735 -103.104 2.835 2000 112.131 377.975 279.180 197.590 -229.347 -96.342 2.516