Vanadium Tetrachloride (ideal gas) VCl4 (g) V1Cl4(g) Pankratz 1984 (B674) [formation: V(c) + 2Cl2 (g) = VCl4 (g)] T(K) Cp (J/mol*K) S (J/mol*K) -[G-H(Tr)]/T (J/mol*K) H-H(Tr) (kJ/mol*K) delta-f H (kJ/mol*K) delta-f G (kJ/mol*K) log Kf 298.15 96.065 366.435 366.435 0.000 -525.510 -493.181 86.402 300 96.190 367.020 366.435 0.209 -525.473 -492.946 85.829 400 100.751 395.388 370.179 10.083 -525.109 -482.160 62.963 500 103.177 418.149 377.564 20.292 -524.699 -471.457 49.252 600 104.600 437.102 385.987 30.669 -524.314 -460.868 40.122 700 105.479 453.295 394.480 41.171 -523.937 -450.332 33.604 800 106.064 467.436 402.739 51.756 -523.598 -439.856 28.719 900 106.483 479.947 410.630 62.383 -523.318 -429.387 24.921 1000 106.776 491.160 418.107 73.053 -523.105 -418.948 21.883 1100 107.027 501.369 425.258 83.722 -522.987 -408.580 19.402 1200 107.194 510.699 432.006 94.433 -522.941 -398.195 17.333 1300 107.320 519.276 438.366 105.186 -522.962 -387.761 15.580 1400 107.403 527.226 444.441 115.897 -523.142 -377.372 14.080 1500 107.487 534.632 450.198 126.650 -523.402 -366.928 12.777