Zirconium Fluoride (ZrF4) F4Zr1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -17.497 -1905.601 -1905.601 INFINITE 100 42.091 22.932 182.385 -15.945 -1910.750 -1877.563 980.738 200 84.559 66.906 113.663 -9.351 -1912.207 -1843.517 481.477 298.15 103.596 104.700 104.700 0. -1911.251 -1809.955 317.097 300 103.805 105.342 104.702 0.192 -1911.222 -1809.327 315.032 400 113.470 136.661 108.907 11.101 -1909.310 -1775.635 231.874 500 119.704 162.685 117.134 22.776 -1906.992 -1742.478 182.035 600 123.972 184.911 126.623 34.973 -1904.433 -1709.812 148.852 700 126.984 204.264 136.362 47.531 -1901.745 -1677.587 125.183 800 129.411 221.379 145.940 60.351 -1898.994 -1645.751 107.457 900 131.838 236.761 155.191 73.413 -1896.187 -1614.264 93.689 1000 134.097 250.772 164.059 86.713 -1893.323 -1583.092 82.692 1100 136.231 263.652 172.535 100.228 -1890.419 -1552.210 73.708 1200 138.281 275.592 180.632 113.953 -1891.188 -1521.371 66.224 1300 140.373 286.743 188.370 127.885 -1887.663 -1490.695 59.897 1400 142.507 297.225 195.774 142.031 -1884.009 -1460.296 54.484