Tungsten Fluoride (WF6) F6W1(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 169.452 249.216 249.216 0. -1748.368 -1631.549 285.841 300 169.452 250.264 249.219 0.313 -1748.273 -1630.825 283.952 400 169.452 299.012 255.866 17.259 -1743.449 -1592.418 207.948 500 169.452 336.824 268.417 34.204 -1739.116 -1555.170 162.468 600 169.452 367.719 282.471 51.149 -1735.148 -1518.759 132.220 700 169.452 393.840 296.563 68.094 -1731.459 -1482.989 110.662 800 169.452 416.467 310.168 85.039 -1727.987 -1447.733 94.527 900 169.452 436.426 323.110 101.985 -1724.693 -1412.900 82.003 1000 169.452 454.280 335.350 118.930 -1721.552 -1378.426 72.002