Tungsten Bromide (WBr5) Br5W1(cr,l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 298.15 155.461 271.960 271.960 0. -311.708 -269.605 47.234 300 155.645 272.922 271.963 0.288 -311.815 -269.343 46.897 400 165.686 319.074 278.188 16.354 -384.412 -239.991 31.340 500 175.728 357.110 290.273 33.419 -379.091 -204.484 21.362 559.000 182.004 377.052 298.393 43.971 CRYSTAL <--> LIQUID 559.000 182.004 407.740 298.393 61.125 TRANSITION 600 182.004 420.622 306.310 68.587 -355.779 -171.389 14.921 700 182.004 448.678 324.696 86.788 -349.526 -141.153 10.533 800 182.004 472.982 341.747 104.988 -343.351 -111.808 7.300 900 182.004 494.419 357.543 123.188 -337.250 -83.232 4.831 1000 182.004 513.595 372.206 141.389 -331.218 -55.332 2.890