Lead Iodide (PbI) I1Pb1(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -10.339 110.877 110.877 INFINITE 100 34.581 240.551 312.703 -7.215 110.709 93.387 -48.780 200 36.646 265.350 283.479 -3.626 109.308 76.588 -20.003 250 36.968 273.565 280.704 -1.785 108.530 68.497 -14.312 298.15 37.155 280.094 280.094 0. 107.738 60.858 -10.662 300 37.160 280.323 280.094 0.069 107.707 60.567 -10.546 350 37.288 286.062 280.547 1.930 106.809 52.780 -7.877 400 37.380 291.047 281.555 3.797 97.887 45.399 -5.929 450 37.451 295.454 282.859 5.668 96.345 38.930 -4.519 500 37.508 299.403 284.320 7.542 74.720 34.534 -3.608 600 37.601 306.250 287.421 11.297 73.710 26.591 -2.315 700 37.676 312.052 290.536 15.061 67.768 19.620 -1.464 800 37.742 317.087 293.547 18.832 66.632 12.820 -0.837 900 37.803 321.536 296.415 22.610 65.529 6.160 -0.358 1000 37.865 325.522 299.130 26.393 64.457 -0.379 0.020 1100 37.931 329.134 301.696 30.183 63.414 -6.812 0.323 1200 38.004 332.438 304.122 33.979 62.401 -13.151 0.572 1300 38.088 335.483 306.419 37.784 61.407 -19.407 0.780 1400 38.187 338.309 308.597 41.597 60.414 -25.586 0.955 1500 38.301 340.948 310.666 45.422 59.410 -31.694 1.104 1600 38.433 343.424 312.637 49.258 58.386 -37.734 1.232 1700 38.582 345.758 314.518 53.109 57.333 -43.709 1.343 1800 38.747 347.968 316.315 56.975 56.247 -49.622 1.440 1900 38.926 350.068 318.037 60.859 55.126 -55.473 1.525 2000 39.119 352.069 319.689 64.761 53.968 -61.264 1.600 2100 39.322 353.983 321.276 68.683 -124.446 -59.882 1.489 2200 39.533 355.817 322.805 72.625 -125.282 -56.788 1.348 2300 39.750 357.579 324.279 76.590 -126.211 -53.654 1.219 2400 39.972 359.275 325.702 80.576 -127.232 -50.478 1.099 2500 40.196 360.911 327.078 84.584 -128.338 -47.258 0.987 2600 40.421 362.492 328.410 88.615 -129.524 -43.991 0.884 2700 40.645 364.022 329.700 92.668 -130.780 -40.678 0.787 2800 40.867 365.504 330.953 96.744 -132.099 -37.317 0.696 2900 41.086 366.942 332.169 100.842 -133.470 -33.908 0.611 3000 41.303 368.339 333.352 104.961 -134.882 -30.450 0.530 3100 41.515 369.696 334.502 109.102 -136.327 -26.946 0.454 3200 41.724 371.018 335.623 113.264 -137.795 -23.394 0.382 3300 41.928 372.305 336.715 117.447 -139.275 -19.796 0.313 3400 42.128 373.560 337.780 121.649 -140.759 -16.153 0.248 3500 42.323 374.784 338.820 125.872 -142.238 -12.467 0.186 3600 42.514 375.978 339.836 130.114 -143.704 -8.738 0.127 3700 42.702 377.146 340.828 134.375 -145.151 -4.969 0.070 3800 42.885 378.287 341.799 138.654 -146.572 -1.161 0.016 3900 43.064 379.403 342.749 142.951 -147.962 2.684 -0.036 4000 43.240 380.496 343.679 147.267 -149.314 6.564 -0.086 4100 43.412 381.566 344.590 151.599 -150.626 10.477 -0.133 4200 43.580 382.614 345.483 155.949 -151.892 14.422 -0.179 4300 43.746 383.641 346.359 160.315 -153.111 18.396 -0.223 4400 43.908 384.649 347.217 164.698 -154.280 22.398 -0.266 4500 44.068 385.637 348.060 169.097 -155.397 26.426 -0.307 4600 44.224 386.608 348.888 173.511 -156.460 30.478 -0.346 4700 44.378 387.560 349.701 177.942 -157.468 34.553 -0.384 4800 44.529 388.496 350.499 182.387 -158.421 38.649 -0.421 4900 44.678 389.416 351.284 186.847 -159.318 42.764 -0.456 5000 44.824 390.320 352.056 191.322 -160.160 46.897 -0.490 5100 44.967 391.209 352.815 195.812 -160.947 51.046 -0.523 5200 45.108 392.084 353.561 200.316 -161.679 55.210 -0.555 5300 45.247 392.944 354.296 204.834 -162.357 59.387 -0.585 5400 45.383 393.791 355.020 209.365 -162.982 63.577 -0.615 5500 45.516 394.625 355.732 213.910 -163.556 67.778 -0.644 5600 45.647 395.447 356.434 218.468 -164.080 71.989 -0.671 5700 45.776 396.256 357.126 223.039 -164.555 76.209 -0.698 5800 45.902 397.053 357.807 227.623 -164.983 80.436 -0.724 5900 46.025 397.839 358.479 232.220 -165.364 84.671 -0.750 6000 46.147 398.613 359.142 236.828 -165.702 88.912 -0.774