psat(273.16) = 611.655
Comparisons to NIST: (see http://webbook.nist.gov):

H0(298.15) = -2.41826e+08 J/kmol
S0(298.15) = 188835 J/kmolK

Ideal Gas Standard State:
        T      Cp0           S0      -(G0-H298)/T       H0-H298
       (K)   (J/molK)     (J/molK)     (J/molK)        (kJ/mol)
    298.15    33.5873       188.835       188.835             0
       500    35.2263       206.535       192.686       6.92447
       600    36.3249       213.053       195.551       10.5013
      1000    41.2673       232.739       206.738       26.0001


H_liq(298.15, onebar) = -2.85838e+08 J/kmol
S_liq(298.15, onebar) = 69922.3 J/kmolK

Liquid 1bar or psat Standard State
       T     press         psat            Cp0            S0     -(G0-H298)/T       H0-H298
      (K)     (bar)        (bar)        (J/molK)       (J/molK)     (J/molK)        (kJ/mol)
    273.19          1   0.00612989       76.0121       63.3155       70.2193       -1.8860
    298.15          1    0.0316993       75.3276       69.9223       69.9223        0.0000
       300          1    0.0353681       75.3153       70.3882       69.9237        0.1393
    373.15    1.01621      1.01418       75.9465       86.8568       71.6853        5.6613
       400    2.46261      2.45769       76.6642       92.1543       72.8764        7.7112
       500    26.4447       26.392       84.0126      109.8051       78.4401       15.6825

Liquid Densities:
       T     press         psat        Density          molarVol   
      (K)     (bar)        (bar)      (kg/m3)          (m3/kmol)
    273.19          1   0.00612989      999.8451        0.0180
    298.15          1    0.0316993      997.0470        0.0181
       300          1    0.0353681      996.5563        0.0181
    373.15    1.01621      1.01418      958.3491        0.0188
       400    2.46261      2.45769      937.4863        0.0192
       500    26.4447       26.392      831.3184        0.0217