C

SOURCE: The standard enthalpy of formation and standard entropy values at 298 K were provided by Martin J. Rabinowitz of NASA Lewis Research Center (marty@lerc.nasa.gov)


 _____________________________________________
    T           Cp          S        delta-Hf
  _____        ________________      ________
    K             cal/mol K          kcal/mol
 _____________________________________________
    
   200         5.00       35.80      170.96
   298         4.98       37.78      171.29
   300         4.98       37.82      171.29
   400         4.97       39.25      171.55
   500         4.97       40.36      171.73
   600         4.97       41.27      171.85
   700         4.97       42.03      171.92
   800         4.97       42.70      171.96
   900         4.97       43.28      171.97
  1000         4.97       43.80      171.96
  1100         4.97       44.28      171.93
  1200         4.97       44.71      171.89
  1300         4.97       45.11      171.84
  1400         4.97       45.48      171.78
  1500         4.97       45.82      171.72
  1600         4.98       46.14      171.64
  1700         4.98       46.44      171.56
  1800         4.99       46.73      171.47
  1900         5.00       47.00      171.37
  2000         5.01       47.25      171.27
  2100         5.02       47.50      171.17
  2200         5.03       47.73      171.07
  2300         5.05       47.96      170.96
  2400         5.06       48.17      170.85
  2500         5.08       48.38      170.73
  2600         5.09       48.58      170.62
  2700         5.11       48.77      170.51
  2800         5.13       48.96      170.39
  2900         5.15       49.14      170.27
  3000         5.17       49.31      170.15

[ the thermo data file ]