Iron Fluoride (FeF2) F2Fe1(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 -12.671 -388.870 -388.870 INFINITE
100 38.559 214.824 309.258 -9.443 -388.972 -392.811 205.183
200 47.902 244.563 270.063 -5.100 -389.326 -396.519 103.560
250 52.104 255.709 266.103 -2.599 -389.465 -398.300 83.220
 
298.15 55.747 265.205 265.205 0. -389.530 -399.994 70.077
 
300 55.876 265.551 265.206 0.103 -389.532 -400.059 69.656
350 58.995 274.407 265.899 2.978 -389.532 -401.813 59.967
400 61.390 282.449 267.473 5.991 -389.491 -403.570 52.701
450 63.115 289.786 269.551 9.106 -389.441 -405.332 47.050
500 64.284 296.500 271.915 12.293 -389.408 -407.100 42.529
 
600 65.466 308.344 277.026 18.791 -389.469 -410.636 35.749
700 65.785 318.466 282.241 25.358 -389.780 -414.144 30.904
800 65.747 327.251 287.331 31.936 -390.425 -417.585 27.265
900 65.601 334.986 292.205 38.504 -391.541 -420.919 24.429
1000 65.452 341.890 296.834 45.056 -393.425 -424.092 22.152
 
1100 65.339 348.123 301.218 51.595 -396.248 -427.008 20.277
1200 65.266 353.805 305.367 58.125 -398.555 -429.722 18.705
1300 65.229 359.027 309.296 64.650 -399.243 -432.292 17.370
1400 65.219 363.861 313.023 71.172 -400.038 -434.805 16.223
1500 65.226 368.360 316.564 77.694 -400.937 -437.258 15.227
 
1600 65.244 372.570 319.935 84.218 -401.937 -439.647 14.353
1700 65.265 376.526 323.148 90.743 -403.985 -441.952 13.580
1800 65.286 380.257 326.218 97.270 -405.514 -444.142 12.889
1900 65.304 383.788 329.156 103.800 -421.235 -445.542 12.249
2000 65.316 387.138 331.972 110.331 -423.187 -446.771 11.668
 
2100 65.323 390.325 334.676 116.863 -425.144 -447.902 11.141
2200 65.323 393.364 337.275 123.395 -427.104 -448.940 10.659
2300 65.316 396.267 339.777 129.927 -429.063 -449.888 10.217
2400 65.302 399.047 342.189 136.458 -431.017 -450.752 9.810
2500 65.283 401.712 344.517 142.988 -432.965 -451.534 9.434
 
2600 65.258 404.272 346.766 149.515 -434.903 -452.239 9.086
2700 65.228 406.734 348.942 156.039 -436.827 -452.869 8.761
2800 65.193 409.106 351.049 162.560 -438.736 -453.428 8.459
2900 65.155 411.393 353.090 169.078 -440.627 -453.919 8.176
3000 65.114 413.601 355.071 175.591 -442.497 -454.346 7.911
 
3100 65.070 415.736 356.994 182.100 -444.345 -454.710 7.662
3200 65.024 417.801 358.862 188.605 -794.468 -447.591 7.306
3300 64.976 419.801 360.678 195.105 -794.366 -436.753 6.913
3400 64.927 421.740 362.446 201.600 -794.269 -425.918 6.543
3500 64.877 423.621 364.167 208.090 -794.179 -415.085 6.195
 
3600 64.827 425.448 365.844 214.576 -794.094 -404.255 5.866
3700 64.776 427.224 367.479 221.056 -794.015 -393.427 5.554
3800 64.726 428.951 369.074 227.531 -793.943 -382.602 5.259
3900 64.675 430.631 370.631 234.001 -793.879 -371.778 4.979
4000 64.625 432.268 372.151 240.466 -793.822 -360.955 4.714
 
4100 64.575 433.863 373.637 246.926 -793.775 -350.134 4.461
4200 64.525 435.419 375.090 253.381 -793.739 -339.314 4.220
4300 64.477 436.936 376.511 259.831 -793.715 -328.495 3.990
4400 64.429 438.418 377.901 266.276 -793.704 -317.676 3.771
4500 64.382 439.865 379.262 272.717 -793.709 -306.857 3.562
 
4600 64.336 441.280 380.595 279.152 -793.730 -296.038 3.362
4700 64.290 442.663 381.901 285.584 -793.770 -285.218 3.170
4800 64.246 444.016 383.181 292.011 -793.829 -274.397 2.986
4900 64.203 445.340 384.436 298.433 -793.911 -263.575 2.810
5000 64.161 446.637 385.667 304.851 -794.017 -252.751 2.640
 
5100 64.119 447.907 386.875 311.265 -794.148 -241.924 2.478
5200 64.079 449.152 388.061 317.675 -794.308 -231.095 2.321
5300 64.040 450.372 389.225 324.081 -794.497 -220.262 2.171
5400 64.002 451.569 390.368 330.483 -794.719 -209.425 2.026
5500 63.965 452.743 391.492 336.881 -794.975 -198.584 1.886
 
5600 63.928 453.895 392.596 343.276 -795.269 -187.738 1.751
5700 63.893 455.026 393.681 349.667 -795.602 -176.887 1.621
5800 63.859 456.137 394.748 356.055 -795.979 -166.029 1.495
5900 63.825 457.228 395.798 362.439 -796.401 -155.164 1.374
6000 63.793 458.301 396.831 368.820 -796.873 -144.292 1.256
 
PREVIOUS: September 1965 (1 atm) CURRENT: September 1965 (1 bar)
 
Iron Fluoride (FeF2) F2Fe1(g)

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