Lead Iodide (PbI4) I4Pb1(g)
 
Enthalpy Reference Temperature = Tr = 298.15 K Standard State Pressure = p° = 0.1 MPa
  J·K-1 mol-1 kJ·mol-1  
T/K Cp° S° -[G°-H°(Tr)]/T H-H°(Tr) fH° fG° log Kf
0 0. 0. INFINITE -27.627 -218.820 -218.820 INFINITE
100 95.214 354.506 559.058 -20.455 -219.515 -239.084 124.885
200 104.275 424.175 475.941 -10.353 -221.802 -257.799 67.330
250 105.593 447.600 468.013 -5.103 -223.112 -266.650 55.713
 
298.15 106.313 466.266 466.266 0. -224.467 -274.914 48.164
 
300 106.334 466.924 466.268 0.197 -224.522 -275.226 47.921
350 106.790 483.352 467.565 5.526 -226.170 -283.553 42.318
400 107.089 497.633 470.450 10.873 -259.851 -290.536 37.940
450 107.296 510.259 474.185 16.233 -263.954 -294.126 34.141
500 107.445 521.572 478.368 21.602 -348.329 -289.659 30.261
 
600 107.640 541.180 487.252 32.357 -347.971 -277.961 24.199
700 107.758 557.782 496.172 43.127 -352.558 -265.517 19.813
800 107.835 572.177 504.793 53.907 -352.353 -253.096 16.525
900 107.888 584.881 513.000 64.693 -352.133 -240.702 13.970
1000 107.926 596.250 520.766 75.484 -351.901 -228.333 11.927
 
1100 107.954 606.538 528.103 86.278 -351.662 -215.988 10.256
1200 107.975 615.932 535.037 97.075 -351.424 -203.664 8.865
1300 107.991 624.576 541.596 107.873 -351.208 -191.360 7.689
1400 108.005 632.579 547.813 118.673 -351.045 -179.070 6.681
1500 108.015 640.031 553.715 129.474 -350.963 -166.790 5.808
 
1600 108.024 647.002 559.330 140.276 -350.988 -154.512 5.044
1700 108.031 653.552 564.682 151.079 -351.142 -142.228 4.370
1800 108.037 659.727 569.792 161.882 -351.442 -129.931 3.770
1900 108.042 665.568 574.681 172.686 -351.899 -117.613 3.233
2000 108.047 671.110 579.365 183.491 -352.515 -105.267 2.749
 
2100 108.051 676.382 583.860 194.295 -530.508 -85.771 2.133
2200 108.054 681.408 588.181 205.101 -531.036 -64.582 1.533
2300 108.057 686.212 592.339 215.906 -531.762 -43.364 0.985
2400 108.059 690.810 596.347 226.712 -532.669 -22.110 0.481
2500 108.061 695.222 600.215 237.518 -533.733 -0.816 0.017
 
2600 108.063 699.460 603.951 248.324 -534.933 20.525 -0.412
2700 108.065 703.538 607.564 259.131 -536.242 41.913 -0.811
2800 108.067 707.468 611.062 269.937 -537.633 63.351 -1.182
2900 108.068 711.261 614.452 280.744 -539.081 84.840 -1.528
3000 108.069 714.924 617.741 291.551 -540.562 106.380 -1.852
 
3100 108.070 718.468 620.933 302.358 -542.051 127.969 -2.156
3200 108.071 721.899 624.035 313.165 -543.528 149.606 -2.442
3300 108.072 725.225 627.051 323.972 -544.973 171.289 -2.711
3400 108.073 728.451 629.986 334.779 -546.370 193.015 -2.965
3500 108.074 731.584 632.845 345.587 -547.703 214.782 -3.205
 
3600 108.075 734.628 635.630 356.394 -548.960 236.585 -3.433
3700 108.075 737.589 638.346 367.202 -550.131 258.422 -3.648
3800 108.076 740.472 640.995 378.009 -551.206 280.290 -3.853
3900 108.077 743.279 643.582 388.817 -552.178 302.184 -4.047
4000 108.077 746.015 646.109 399.625 -553.042 324.102 -4.232
 
4100 108.078 748.684 648.578 410.432 -553.794 346.040 -4.409
4200 108.078 751.288 650.993 421.240 -554.430 367.995 -4.577
4300 108.079 753.831 653.355 432.048 -554.950 389.964 -4.737
4400 108.079 756.316 655.667 442.856 -555.351 411.943 -4.890
4500 108.079 758.745 657.931 453.664 -555.633 433.931 -5.037
 
4600 108.080 761.120 660.148 464.472 -555.798 455.923 -5.177
4700 108.080 763.445 662.322 475.280 -555.847 477.917 -5.311
4800 108.080 765.720 664.452 486.088 -555.780 499.913 -5.440
4900 108.081 767.949 666.542 496.896 -555.600 521.905 -5.564
5000 108.081 770.132 668.592 507.704 -555.309 543.891 -5.682
 
5100 108.081 772.273 670.604 518.512 -554.911 565.872 -5.796
5200 108.081 774.371 672.579 529.320 -554.407 587.843 -5.905
5300 108.082 776.430 674.519 540.128 -553.802 609.803 -6.010
5400 108.082 778.450 676.425 550.936 -553.097 631.752 -6.111
5500 108.082 780.434 678.298 561.745 -552.298 653.686 -6.208
 
5600 108.082 782.381 680.140 572.553 -551.406 675.606 -6.302
5700 108.082 784.294 681.950 583.361 -550.425 697.508 -6.392
5800 108.083 786.174 683.731 594.169 -549.359 719.392 -6.479
5900 108.083 788.022 685.483 604.978 -548.211 741.257 -6.563
6000 108.083 789.838 687.207 615.786 -546.984 763.103 -6.643
 
PREVIOUS: December 1973 (1 atm) CURRENT: December 1973 (1 bar)
 
Lead Iodide (PbI4) I4Pb1(g)

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