Rubidium, Ion (Rb-) Rb1-(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -6.197 35.308 100 20.786 141.623 182.810 -4.119 200 20.786 156.031 166.231 -2.040 250 20.786 160.669 164.672 -1.001 298.15 20.786 164.330 164.330 0. 27.819 7.970 -1.396 300 20.786 164.459 164.331 0.038 27.761 7.847 -1.366 350 20.786 167.663 164.584 1.078 23.964 4.917 -0.734 400 20.786 170.438 165.146 2.117 22.370 2.305 -0.301 450 20.786 172.887 165.873 3.156 20.791 -0.109 0.013 500 20.786 175.077 166.685 4.196 19.226 -2.347 0.245 600 20.786 178.866 168.409 6.274 16.125 -6.369 0.555 700 20.786 182.071 170.138 8.353 13.050 -9.875 0.737 800 20.786 184.846 171.807 10.431 9.984 -12.941 0.845 900 20.786 187.295 173.394 12.510 6.910 -15.622 0.907 1000 20.786 189.485 174.896 14.589 -67.670 -15.774 0.824 1100 20.786 191.466 176.314 16.667 -69.748 -10.483 0.498 1200 20.786 193.274 177.653 18.746 -71.827 -5.004 0.218 1300 20.786 194.938 178.919 20.824 -73.906 0.649 -0.026 1400 20.786 196.478 180.119 22.903 -75.985 6.462 -0.241 1500 20.786 197.913 181.258 24.982 -78.065 12.424 -0.433 1600 20.786 199.254 182.341 27.060 -80.146 18.524 -0.605 1700 20.786 200.514 183.374 29.139 -82.230 24.755 -0.761 1800 20.786 201.702 184.359 31.217 -84.316 31.108 -0.903 1900 20.786 202.826 185.302 33.296 -86.407 37.577 -1.033 2000 20.786 203.892 186.205 35.375 -88.505 44.157 -1.153 2100 20.786 204.906 187.072 37.453 -90.611 50.842 -1.265 2200 20.786 205.873 187.904 39.532 -92.728 57.628 -1.368 2300 20.786 206.797 188.706 41.610 -94.858 64.510 -1.465 2400 20.786 207.682 189.478 43.689 -97.005 71.484 -1.556 2500 20.786 208.531 190.223 45.768 -99.171 78.549 -1.641 2600 20.786 209.346 190.943 47.846 -101.360 85.701 -1.722 2700 20.786 210.130 191.640 49.925 -103.574 92.938 -1.798 2800 20.786 210.886 192.314 52.004 -105.819 100.257 -1.870 2900 20.786 211.616 192.967 54.082 -108.098 107.657 -1.939 3000 20.786 212.320 193.600 56.161 -110.416 115.136 -2.005 3100 20.786 213.002 194.215 58.239 -112.777 122.693 -2.067 3200 20.786 213.662 194.812 60.318 -115.187 130.327 -2.127 3300 20.786 214.301 195.393 62.397 -117.634 138.037 -2.185 3400 20.786 214.922 195.959 64.475 -120.147 145.822 -2.240 3500 20.786 215.524 196.509 66.554 -122.724 153.682 -2.294 3600 20.786 216.110 197.046 68.632 -125.360 161.616 -2.345 3700 20.786 216.680 197.569 70.711 -128.074 169.624 -2.395 3800 20.786 217.234 198.079 72.790 -130.865 177.707 -2.443 3900 20.786 217.774 198.577 74.868 -133.740 185.865 -2.489 4000 20.786 218.300 199.063 76.947 -136.688 194.096 -2.535 4100 20.786 218.813 199.539 79.025 -139.742 202.403 -2.579 4200 20.786 219.314 200.004 81.104 -142.895 210.786 -2.622 4300 20.786 219.803 200.459 83.183 -146.151 219.246 -2.663 4400 20.786 220.281 200.904 85.261 -149.219 227.751 -2.704 4500 20.786 220.748 201.339 87.340 -152.499 236.343 -2.743 4600 20.786 221.205 201.766 89.418 -155.961 245.020 -2.782 4700 20.786 221.652 202.185 91.497 -159.545 253.775 -2.820 4800 20.786 222.090 202.595 93.576 -163.235 262.608 -2.858 4900 20.786 222.518 202.997 95.654 -167.029 271.519 -2.894 5000 20.786 222.938 203.392 97.733 -170.679 280.478 -2.930 5100 20.786 223.350 203.779 99.811 -174.644 289.540 -2.965 5200 20.786 223.754 204.159 101.890 -178.711 298.681 -3.000 5300 20.786 224.150 204.533 103.969 -182.878 307.901 -3.035 5400 20.786 224.538 204.900 106.047 -187.143 317.201 -3.068 5500 20.786 224.919 205.260 108.126 -191.503 326.581 -3.102 5600 20.786 225.294 205.615 110.204 -195.575 335.986 -3.134 5700 20.786 225.662 205.963 112.283 -200.072 345.518 -3.166 5800 20.786 226.023 206.306 114.362 -204.653 355.130 -3.198 5900 20.786 226.379 206.643 116.440 -209.312 364.821 -3.230 6000 20.786 226.728 206.975 118.519 -214.045 374.592 -3.261