Sodium Chloride (ideal gas) NaCl(g) Na1Cl1(g) Pankratz 1984 (B674) [Formation: Na(c,l,g) + 0.5Cl2 (g) = NaCl(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 35.786 229.689 229.689 0.000 -176.648 -196.552 34.434 300 35.807 229.911 229.689 0.067 -176.665 -196.673 34.243 371 36.376 237.588 230.492 2.632 -177.431 -201.330 28.346 371 36.376 237.588 230.492 2.632 -180.033 -201.330 28.346 400 36.606 240.333 231.107 3.690 -180.402 -202.983 26.506 500 37.045 248.555 233.802 7.376 -181.598 -208.480 21.780 600 37.325 255.333 236.840 11.096 -182.715 -213.752 18.608 700 37.526 261.103 239.906 14.836 -183.765 -218.848 16.330 800 37.681 266.123 242.877 18.598 -184.765 -223.790 14.612 900 37.811 270.571 245.714 22.372 -185.740 -228.610 13.268 1000 37.924 274.562 248.404 26.158 -186.711 -233.325 12.187 1100 38.024 278.182 250.948 29.957 -187.698 -237.940 11.299 1177 38.095 280.755 252.810 32.890 -188.477 -241.413 10.714 1177 38.095 280.755 252.810 32.890 -285.901 -241.413 10.714 1200 38.116 281.491 253.354 33.765 -285.943 -240.551 10.471 1300 38.204 284.545 255.638 37.581 -286.089 -236.752 9.513 1400 38.292 287.382 257.806 41.405 -286.236 -232.957 8.692 1500 38.371 290.027 259.868 45.237 -286.378 -229.149 7.980 1600 38.451 292.503 261.831 49.078 -286.516 -225.325 7.356 1700 38.530 294.838 263.705 52.928 -286.650 -221.497 6.806 1800 38.606 297.043 265.496 56.785 -286.776 -217.664 6.316 1900 38.681 299.131 267.211 60.651 -286.897 -213.811 5.878 2000 38.756 301.118 268.855 64.521 -287.022 -209.970 5.484