Methylene (CH2) C1H2(g)
 
Enthalpy Reference Temperature = Tr = 298.15 K Standard State Pressure = p° = 0.1 MPa
  J·K-1 mol-1 kJ·mol-1  
T/K Cp° S° -[G°-H°(Tr)]/T H-H°(Tr) fH° fG° log Kf
0 0. 0. INFINITE -9.994 385.917 385.917 INFINITE
100 33.258 157.288 223.967 -6.668 386.184 380.623 -198.817
200 33.499 180.376 197.055 -3.336 386.496 374.920 -97.919
 
298.15 34.600 193.931 193.931 0. 386.392 369.245 -64.690
 
300 34.627 194.146 193.932 0.064 386.387 369.139 -64.273
400 36.142 204.313 195.308 3.602 385.996 363.443 -47.461
500 37.663 212.541 197.957 7.292 385.437 357.866 -37.386
 
600 39.206 219.544 200.985 11.135 384.773 352.413 -30.680
700 40.808 225.707 204.085 15.135 384.063 347.076 -25.899
800 42.442 231.263 207.140 19.298 383.351 341.841 -22.320
900 44.048 236.355 210.107 23.623 382.667 336.693 -19.541
1000 45.571 241.075 212.971 28.105 382.022 331.620 -17.322
 
1100 46.976 245.486 215.728 32.733 381.418 326.609 -15.509
1200 48.247 249.629 218.382 37.495 380.850 321.652 -14.001
1300 49.379 253.536 220.938 42.378 380.313 316.741 -12.727
1400 50.381 257.233 223.399 47.367 379.799 311.870 -11.636
1500 51.264 260.740 225.773 52.450 379.299 307.036 -10.692
 
1600 52.040 264.073 228.063 57.616 378.809 302.234 -9.867
1700 52.724 267.249 230.276 62.855 378.323 297.463 -9.140
1800 53.327 270.280 232.415 68.158 377.835 292.721 -8.495
1900 53.861 273.178 234.484 73.518 377.343 288.005 -7.918
2000 54.336 275.953 236.489 78.928 376.844 283.316 -7.399
 
2100 54.760 278.615 238.432 84.384 376.335 278.652 -6.931
2200 55.142 281.171 240.317 89.879 375.815 274.013 -6.506
2300 55.485 283.630 242.147 95.411 375.282 269.398 -6.118
2400 55.797 285.998 243.925 100.975 374.736 264.806 -5.763
2500 56.080 288.282 245.654 106.569 374.174 260.237 -5.437
 
2600 56.338 290.486 247.336 112.190 373.598 255.690 -5.137
2700 56.575 292.617 248.974 117.836 373.005 251.167 -4.859
2800 56.792 294.678 250.570 123.505 372.396 246.665 -4.602
2900 56.993 296.675 252.125 129.194 371.770 242.186 -4.362
3000 57.177 298.610 253.643 134.903 371.127 237.728 -4.139
 
3100 57.348 300.488 255.124 140.629 370.466 233.292 -3.931
3200 57.506 302.311 256.570 146.372 369.787 228.878 -3.736
3300 57.652 304.083 257.983 152.130 369.089 224.486 -3.553
3400 57.787 305.806 259.364 157.902 368.372 220.115 -3.382
3500 57.913 307.483 260.715 163.687 367.636 215.765 -3.220
 
3600 58.030 309.116 262.037 169.484 366.880 211.436 -3.068
3700 58.139 310.708 263.331 175.293 366.103 207.129 -2.924
3800 58.240 312.259 264.598 181.112 365.307 202.843 -2.788
3900 58.334 313.773 265.840 186.940 364.489 198.578 -2.660
4000 58.421 315.251 267.057 192.778 363.650 194.335 -2.538
 
4100 58.502 316.695 268.250 198.624 362.790 190.113 -2.422
4200 58.577 318.106 269.420 204.478 361.908 185.912 -2.312
4300 58.647 319.485 270.569 210.339 361.003 181.732 -2.208
4400 58.713 320.834 271.696 216.207 360.077 177.573 -2.108
4500 58.773 322.154 272.802 222.082 359.129 173.436 -2.013
 
4600 58.830 323.446 273.889 227.962 358.158 169.320 -1.923
4700 58.882 324.712 274.957 233.848 357.164 165.226 -1.836
4800 58.931 325.952 276.007 239.738 356.149 161.153 -1.754
4900 58.976 327.168 277.039 245.634 355.111 157.101 -1.675
5000 59.018 328.360 278.053 251.533 354.052 153.071 -1.599
 
5100 59.058 329.529 279.051 257.437 352.971 149.062 -1.527
5200 59.094 330.676 280.033 263.345 351.868 145.074 -1.457
5300 59.128 331.802 280.999 269.256 350.745 141.108 -1.391
5400 59.160 332.908 281.950 275.170 349.602 137.164 -1.327
5500 59.189 333.993 282.886 281.088 348.438 133.240 -1.265
 
5600 59.217 335.060 283.809 287.008 347.256 129.338 -1.206
5700 59.242 336.108 284.717 292.931 346.054 125.457 -1.150
5800 59.266 337.139 285.612 298.857 344.835 121.598 -1.095
5900 59.288 338.152 286.494 304.784 343.599 117.759 -1.043
6000 59.309 339.149 287.363 310.714 342.347 113.942 -0.992
 
PREVIOUS: December 1972 (1 atm) CURRENT: December 1972 (1 bar)
 
Methylene (CH2) C1H2(g)

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