Phosphorus Fluoride, Ion (PF-) F1P1-(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -9.516 -157.592 100 30.469 189.364 255.166 -6.580 200 33.518 211.573 228.364 -3.358 250 34.258 219.137 225.788 -1.663 298.15 34.786 225.218 225.218 0. -164.046 -182.462 31.967 300 34.804 225.433 225.218 0.064 -164.093 -182.576 31.789 350 35.242 230.832 225.644 1.816 -166.111 -185.484 27.682 400 35.603 235.562 226.594 3.587 -167.511 -188.156 24.571 450 35.903 239.774 227.829 5.375 -168.912 -190.652 22.130 500 36.152 243.570 229.216 7.177 -170.315 -192.992 20.162 600 36.535 250.197 232.177 10.812 -173.128 -197.264 17.173 700 36.810 255.850 235.165 14.480 -175.947 -201.064 15.004 800 37.016 260.780 238.065 18.172 -178.771 -204.459 13.350 900 37.175 265.149 240.836 21.882 -181.599 -207.500 12.043 1000 37.302 269.073 243.467 25.606 -184.432 -210.226 10.981 1100 37.407 272.633 245.959 29.341 -187.267 -212.669 10.099 1200 37.496 275.892 248.320 33.087 -253.678 -213.774 9.305 1300 37.574 278.896 250.558 36.840 -255.746 -210.365 8.453 1400 37.643 281.683 252.683 40.601 -257.821 -206.797 7.716 1500 37.705 284.283 254.704 44.369 -259.904 -203.079 7.072 1600 37.763 286.718 256.629 48.142 -261.994 -199.223 6.504 1700 37.816 289.009 258.467 51.921 -264.090 -195.235 5.999 1800 37.866 291.172 260.224 55.705 -266.191 -191.124 5.546 1900 37.914 293.220 261.908 59.494 -268.295 -186.897 5.138 2000 37.960 295.166 263.522 63.288 -270.402 -182.558 4.768 2100 38.004 297.019 265.074 67.086 -272.509 -178.114 4.430 2200 38.046 298.788 266.566 70.889 -274.615 -173.570 4.121 2300 38.088 300.481 268.004 74.695 -276.719 -168.930 3.837 2400 38.128 302.102 269.391 78.506 -278.817 -164.198 3.574 2500 38.168 303.660 270.731 82.321 -280.909 -159.379 3.330 2600 38.208 305.157 272.027 86.140 -282.993 -154.477 3.103 2700 38.247 306.600 273.281 89.963 -285.066 -149.495 2.892 2800 38.286 307.992 274.496 93.789 -287.128 -144.436 2.694 2900 38.325 309.336 275.674 97.620 -289.176 -139.303 2.509 3000 38.364 310.636 276.818 101.454 -291.209 -134.101 2.335 3100 38.404 311.895 277.929 105.293 -293.227 -128.831 2.171 3200 38.444 313.114 279.010 109.135 -295.228 -123.495 2.016 3300 38.484 314.298 280.061 112.981 -297.211 -118.098 1.869 3400 38.526 315.448 281.085 116.832 -299.175 -112.641 1.731 3500 38.568 316.565 282.083 120.687 -301.121 -107.126 1.599 3600 38.611 317.652 283.056 124.545 -303.046 -101.556 1.474 3700 38.656 318.710 284.005 128.409 -304.952 -95.933 1.354 3800 38.702 319.742 284.932 132.277 -306.838 -90.259 1.241 3900 38.750 320.748 285.838 136.149 -308.703 -84.535 1.132 4000 38.799 321.730 286.723 140.027 -310.547 -78.763 1.029 4100 38.849 322.688 287.588 143.909 -312.371 -72.946 0.929 4200 38.902 323.625 288.435 147.797 -314.174 -67.084 0.834 4300 38.956 324.541 289.264 151.689 -315.956 -61.180 0.743 4400 39.012 325.437 290.076 155.588 -317.718 -55.235 0.656 4500 39.070 326.315 290.872 159.492 -319.459 -49.250 0.572 4600 39.130 327.174 291.652 163.402 -321.180 -43.226 0.491 4700 39.191 328.016 292.417 167.318 -322.880 -37.165 0.413 4800 39.255 328.842 293.167 171.240 -324.560 -31.068 0.338 4900 39.320 329.652 293.903 175.169 -326.220 -24.937 0.266 5000 39.388 330.447 294.626 179.104 -327.861 -18.771 0.196 5100 39.457 331.228 295.336 183.047 -329.482 -12.574 0.129 5200 39.528 331.995 296.034 186.996 -331.084 -6.344 0.064 5300 39.601 332.748 296.719 190.952 -332.666 -0.084 0.001 5400 39.675 333.489 297.394 194.916 -334.229 6.206 -0.060 5500 39.751 334.218 298.057 198.887 -335.774 12.524 -0.119 5600 39.828 334.935 298.709 202.866 -337.300 18.871 -0.176 5700 39.907 335.640 299.350 206.853 -338.808 25.245 -0.231 5800 39.988 336.335 299.982 210.848 -340.298 31.644 -0.285 5900 40.069 337.019 300.604 214.850 -341.770 38.070 -0.337 6000 40.152 337.694 301.217 218.862 -343.224 44.520 -0.388