Lead Bromide (PbBr2) Br2Pb1(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 298.15 79.580 173.878 173.878 0. -267.412 -254.558 44.598 300 79.613 174.370 173.879 0.147 -267.455 -254.478 44.309 400 81.254 197.507 177.023 8.194 -296.617 -244.065 31.872 400.000 81.254 197.507 177.023 8.194 GLASS <--> LIQUID 400.000 112.131 197.507 177.023 8.194 TRANSITION 500 112.131 222.528 183.715 19.407 -291.910 -231.474 24.182 600 112.131 242.972 191.939 30.620 -287.305 -219.820 19.137 700 112.131 260.257 200.496 41.833 -287.652 -208.133 15.531 800 112.131 275.230 208.923 53.046 -283.209 -197.076 12.868 900 112.131 288.437 217.038 64.259 -278.745 -186.577 10.829 1000 112.131 300.252 224.779 75.472 -274.261 -176.576 9.223 1100 112.131 310.939 232.134 86.685 -269.755 -167.026 7.931 1200 112.131 320.696 239.113 97.899 -265.228 -157.886 6.873 1300 112.131 329.671 245.739 109.112 -260.686 -149.125 5.992 1400 112.131 337.981 252.034 120.325 -256.145 -140.714 5.250 1500 112.131 345.717 258.025 131.538 -251.615 -132.627 4.618 1600 112.131 352.954 263.734 142.751 -247.104 -124.842 4.076 1700 112.131 359.752 269.184 153.964 -242.617 -117.338 3.605 1800 112.131 366.161 274.396 165.177 -238.159 -110.098 3.195 1900 112.131 372.223 279.386 176.390 -233.735 -103.104 2.835 2000 112.131 377.975 284.173 187.604 -229.347 -96.342 2.516