Tungsten Chloride Oxide (OWCl4) Cl4O1W1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 146.248 172.799 172.799 0. -671.114 -549.292 96.234 300 146.440 173.704 172.802 0.271 -671.041 -548.536 95.509 400 156.900 217.265 178.671 15.438 -666.763 -508.327 66.381 484.000 165.686 247.984 188.095 28.986 CRYSTAL <--> LIQUID 500 167.360 253.400 190.099 31.651 661.736 469.283 49.026 600 177.820 284.879 203.325 48.932 -655.856 -431.331 37.551 700 185.560 312.904 217.015 67.122 -649.238 -394.425 29.432 800 190.790 338.049 230.600 85.959 -642.114 -358.504 23.408 900 193.719 360.694 243.818 105.188 -634.717 -323.495 18.775 1000 196.230 381.238 256.549 124.689 -627.155 -289.319 15.112