Lead Bromide (PbBr2) Br2Pb1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -19.235 -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 19.232 700 93.061 233.033 184.116 34.242 -305.230 -206.654 15.421 800 97.341 245.739 191.037 43.762 -302.480 -192.754 12.586 900 101.621 257.451 197.774 53.710 -299.281 -179.226 10.402 1000 105.901 268.380 204.294 64.086 -295.634 -166.078 8.675