Iron Carbonyl (Fe(CO)5) C5Fe1O5(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -52.934 -787.554 -787.554 INFINITE 100 105.240 113.401 580.650 -46.725 -789.327 -756.258 395.029 200 164.163 204.889 370.766 -33.175 -786.457 -724.021 189.095 253.100 191.020 246.527 340.393 -23.758 CRYSTAL <--> LIQUID 253.100 233.785 298.781 340.393 -10.532 TRANSITION 298.15 233.785 337.078 337.078 0. -766.090 -696.975 122.107 300 233.785 338.524 337.083 0.432 -765.919 -696.547 121.280 400 233.785 405.780 346.253 23.811 -757.710 -674.716 88.109 500 233.785 457.948 363.569 47.190 -751.465 -654.729 68.399 600 233.785 500.572 382.958 70.568 -746.962 -635.831 55.354 700 233.785 536.610 402.401 93.947 -743.911 -617.569 46.084