Iron Iodide ((FeI2)2) Fe2I4(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -34.030 9.747 9.747 INFINITE 100 119.470 404.580 658.433 -25.385 11.447 -15.600 8.149 200 129.233 491.411 555.431 -12.804 10.625 -42.494 11.098 250 130.564 520.408 545.629 -6.305 9.593 -55.661 11.630 298.15 131.283 543.471 543.471 0. 8.368 -68.121 11.935 300 131.304 544.284 543.474 0.243 8.316 -68.596 11.944 350 131.756 564.561 545.074 6.820 6.698 -81.293 12.132 400 132.052 582.175 548.635 13.416 -27.043 -92.647 12.098 450 132.258 597.741 553.243 20.024 -31.296 -100.593 11.676 500 132.409 611.684 558.402 26.641 -115.916 -100.461 10.495 600 132.629 635.845 569.357 39.893 -116.344 -97.338 8.474 700 132.820 656.305 580.354 53.166 -117.258 -94.105 7.022 800 133.038 674.054 590.981 66.458 -118.753 -90.704 5.922 900 133.308 689.739 601.100 79.775 -121.074 -87.069 5.053 1000 133.635 703.800 610.679 93.122 -124.826 -83.108 4.341 1100 134.013 716.555 619.733 106.504 -130.359 -78.640 3.734 1200 134.430 728.233 628.295 119.926 -134.783 -73.781 3.212 1300 134.872 739.010 636.402 133.391 -135.917 -68.653 2.759 1400 135.325 749.022 644.093 146.900 -137.235 -63.431 2.367 1500 135.774 758.374 651.404 160.455 -138.756 -58.107 2.023 1600 136.209 767.150 658.366 174.055 -140.500 -52.675 1.720 1700 136.620 775.421 665.011 187.696 -144.386 -47.089 1.447 1800 137.001 783.240 671.364 201.378 -147.300 -41.283 1.198 1900 137.347 790.657 677.449 215.095 -178.679 -33.904 0.932 2000 137.655 797.710 683.287 228.846 -182.614 -26.182 0.684 2100 137.924 804.433 688.897 242.625 -186.656 -18.262 0.454 2200 138.153 810.855 694.296 256.429 -190.797 -10.147 0.241 2300 138.345 817.000 699.498 270.254 -195.027 -1.841 0.042 2400 138.500 822.891 704.518 284.097 -199.330 6.651 -0.145 2500 138.621 828.548 709.367 297.953 -203.686 15.322 -0.320 2600 138.710 833.987 714.056 311.820 -208.077 24.170 -0.486 2700 138.771 839.223 718.595 325.694 -212.481 33.186 -0.642 2800 138.806 844.270 722.994 339.573 -216.879 42.365 -0.790 2900 138.817 849.141 727.260 353.455 -221.251 51.701 -0.931 3000 138.808 853.847 731.402 367.336 -225.581 61.187 -1.065 3100 138.782 858.398 735.426 381.216 -229.853 70.817 -1.193 3200 138.740 862.804 739.338 395.092 -930.654 95.431 -1.558 3300 138.685 867.072 743.144 408.963 -930.973 127.501 -2.018 3400 138.618 871.212 746.850 422.829 -931.267 159.580 -2.452 3500 138.543 875.229 750.461 436.687 -931.529 191.668 -2.860 3600 138.459 879.130 753.981 450.537 -931.758 223.762 -3.247 3700 138.369 882.923 757.415 464.378 -931.950 255.863 -3.612 3800 138.275 886.612 760.767 478.211 -932.106 287.969 -3.958 3900 138.176 890.202 764.040 492.033 -932.225 320.078 -4.287 4000 138.074 893.699 767.238 505.846 -932.311 352.189 -4.599 4100 137.970 897.107 770.364 519.648 -932.365 384.302 -4.896 4200 137.865 900.431 773.421 533.440 -932.392 416.416 -5.179 4300 137.760 903.674 776.413 547.221 -932.396 448.531 -5.449 4400 137.654 906.839 779.341 560.992 -932.380 480.645 -5.706 4500 137.549 909.932 782.209 574.752 -932.351 512.759 -5.952 4600 137.444 912.954 785.019 588.501 -932.312 544.872 -6.187 4700 137.340 915.909 787.772 602.241 -932.270 576.984 -6.412 4800 137.238 918.799 790.472 615.969 -932.230 609.096 -6.628 4900 137.137 921.628 793.120 629.688 -932.197 641.207 -6.835 5000 137.038 924.397 795.718 643.397 -932.178 673.316 -7.034 5100 136.941 927.110 798.268 657.096 -932.178 705.427 -7.225 5200 136.845 929.768 800.771 670.785 -932.204 737.537 -7.409 5300 136.752 932.374 803.230 684.465 -932.260 769.647 -7.585 5400 136.661 934.929 805.645 698.136 -932.354 801.760 -7.755 5500 136.572 937.436 808.018 711.797 -932.492 833.874 -7.919 5600 136.486 939.896 810.351 725.450 -932.681 865.992 -8.078 5700 136.401 942.311 812.645 739.094 -932.927 898.113 -8.230 5800 136.319 944.683 814.902 752.730 -933.238 930.239 -8.378 5900 136.239 947.012 817.121 766.358 -933.621 962.371 -8.520 6000 136.161 949.301 819.305 779.978 -934.083 994.510 -8.658