Zirconium Iodide (ZrI4) I4Zr1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -30.439 -487.236 -487.236 INFINITE 100 104.207 131.545 369.071 -23.753 -487.537 -487.087 254.428 200 121.579 210.426 271.784 -12.272 -488.114 -486.406 127.036 298.15 127.800 260.270 260.270 0. -488.691 -485.446 85.048 300 127.880 261.061 260.272 0.236 -488.703 -485.426 84.520 400 131.001 298.303 265.329 13.190 -521.586 -483.104 63.087 500 133.009 327.759 274.971 26.394 -607.399 -465.240 48.603 600 134.599 352.154 285.860 39.776 -604.216 -437.106 38.053 700 135.938 373.005 296.856 53.304 -600.990 -409.509 30.558 800 137.152 391.236 307.537 66.959 -597.743 -382.376 24.967 900 138.365 407.460 317.755 80.735 -594.496 -355.650 20.641 1000 139.578 422.101 327.469 94.632 -591.258 -329.285 17.200