Lead Iodide (PbI2) I2Pb1(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -15.736 1.161 1.161 INFINITE 100 53.807 298.094 410.195 -11.210 0.870 -19.157 10.007 200 56.934 336.667 364.806 -5.628 -1.005 -38.492 10.053 250 57.375 349.424 360.499 -2.769 -2.078 -47.741 9.975 298.15 57.615 359.552 359.552 0. -3.180 -56.437 9.888 300 57.622 359.908 359.553 0.107 -3.224 -56.767 9.884 350 57.773 368.803 360.255 2.992 -4.504 -65.593 9.789 400 57.872 376.524 361.817 5.883 -21.814 -73.681 9.622 450 57.940 383.345 363.837 8.778 -24.349 -80.012 9.288 500 57.989 389.452 366.099 11.677 -67.031 -82.262 8.594 600 58.054 400.031 370.899 17.479 -67.872 -85.230 7.420 700 58.092 408.983 375.717 23.287 -73.654 -87.253 6.511 800 58.118 416.742 380.371 29.097 -74.639 -89.128 5.819 900 58.135 423.588 384.800 34.910 -75.602 -90.882 5.275 1000 58.148 429.714 388.990 40.724 -76.545 -92.529 4.833 1100 58.157 435.257 392.948 46.539 -77.469 -94.082 4.468 1200 58.164 440.317 396.688 52.355 -78.380 -95.552 4.159 1300 58.169 444.973 400.226 58.172 -79.290 -96.946 3.895 1400 58.174 449.284 403.578 63.989 -80.222 -98.270 3.666 1500 58.177 453.298 406.760 69.807 -81.196 -99.525 3.466 1600 58.180 457.053 409.787 75.625 -82.228 -100.714 3.288 1700 58.182 460.580 412.672 81.443 -83.331 -101.836 3.129 1800 58.184 463.906 415.427 87.261 -84.515 -102.890 2.986 1900 58.186 467.052 418.062 93.080 -85.787 -103.877 2.856 2000 58.188 470.036 420.587 98.898 -87.149 -104.794 2.737 2100 58.189 472.875 423.010 104.717 -265.820 -98.526 2.451 2200 58.190 475.582 425.338 110.536 -266.964 -90.534 2.150 2300 58.191 478.169 427.580 116.355 -268.251 -82.486 1.873 2400 58.192 480.645 429.739 122.174 -269.674 -74.379 1.619 2500 58.192 483.021 431.823 127.993 -271.222 -66.210 1.383 2600 58.193 485.303 433.837 133.813 -272.882 -57.977 1.165 2700 58.194 487.499 435.784 139.632 -274.641 -49.678 0.961 2800 58.194 489.616 437.669 145.451 -276.484 -41.313 0.771 2900 58.195 491.658 439.496 151.271 -278.395 -32.881 0.592 3000 58.195 493.631 441.267 157.090 -280.359 -24.381 0.425 3100 58.195 495.539 442.987 162.910 -282.362 -15.816 0.266 3200 58.196 497.387 444.659 168.729 -284.390 -7.185 0.117 3300 58.196 499.177 446.284 174.549 -286.430 1.509 -0.024 3400 58.196 500.915 447.865 180.368 -288.470 10.265 -0.158 3500 58.197 502.602 449.405 186.188 -290.498 19.081 -0.285 3600 58.197 504.241 450.906 192.008 -292.506 27.954 -0.406 3700 58.197 505.836 452.369 197.827 -294.484 36.884 -0.521 3800 58.197 507.388 453.796 203.647 -296.425 45.866 -0.630 3900 58.197 508.899 455.190 209.467 -298.323 54.898 -0.735 4000 58.198 510.373 456.551 215.287 -300.172 63.979 -0.835 4100 58.198 511.810 457.882 221.106 -301.969 73.105 -0.931 4200 58.198 513.212 459.182 226.926 -303.708 82.274 -1.023 4300 58.198 514.582 460.455 232.746 -305.387 91.484 -1.111 4400 58.198 515.920 461.700 238.566 -307.005 100.732 -1.196 4500 58.198 517.228 462.920 244.386 -308.559 110.017 -1.277 4600 58.198 518.507 464.114 250.205 -310.048 119.335 -1.355 4700 58.198 519.758 465.285 256.025 -311.473 128.685 -1.430 4800 58.199 520.984 466.433 261.845 -312.832 138.065 -1.502 4900 58.199 522.184 467.558 267.665 -314.127 147.472 -1.572 5000 58.199 523.359 468.662 273.485 -315.357 156.904 -1.639 5100 58.199 524.512 469.746 279.305 -316.525 166.362 -1.704 5200 58.199 525.642 470.810 285.125 -317.630 175.841 -1.766 5300 58.199 526.751 471.855 290.945 -318.675 185.340 -1.827 5400 58.199 527.838 472.882 296.764 -319.661 194.860 -1.885 5500 58.199 528.906 473.891 302.584 -320.590 204.396 -1.941 5600 58.199 529.955 474.883 308.404 -321.463 213.950 -1.996 5700 58.199 530.985 475.858 314.224 -322.284 223.518 -2.048 5800 58.199 531.997 476.817 320.044 -323.052 233.100 -2.099 5900 58.199 532.992 477.761 325.864 -323.771 242.695 -2.149 6000 58.199 533.970 478.690 331.684 -324.442 252.302 -2.196