Tantalum Chloride (TaCl5) Cl5Ta1(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 147.904 268.135 268.135 0. -834.347 -735.649 128.883 300 147.904 269.050 268.138 0.274 -834.277 -735.037 127.981 350 147.904 291.849 269.938 7.669 -832.452 -718.643 107.252 350.000 147.904 291.849 269.938 7.669 GLASS <--> LIQUID 350.000 228.280 291.849 269.938 7.669 TRANSITION 400 224.848 322.113 274.616 18.999 -826.786 -702.774 91.773 489.700 217.482 366.911 287.580 38.849 CRYSTAL <--> LIQUID 500 216.564 371.429 289.261 41.084 816.238 673.014 70.309 600 206.397 410.042 306.297 62.247 -806.816 -645.274 56.176 700 194.430 440.983 323.406 82.304 -798.643 -619.014 46.191 800 180.611 466.064 339.725 101.072 -791.858 -593.834 38.773