Difluoromethylene (CF2) C1F2(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 -10.354 -182.482 -182.482 INFINITE
100 33.311 202.633 272.908 -7.028 -182.122 -185.253 96.766
200 35.154 226.123 244.265 -3.628 -181.979 -188.456 49.220
250 36.964 234.154 241.463 -1.827 -181.975 -190.077 39.714
 
298.15 38.948 240.833 240.833 0. -182.004 -191.635 33.574
 
300 39.026 241.074 240.834 0.072 -182.006 -191.695 33.377
350 41.119 247.248 241.316 2.076 -182.061 -193.306 28.849
400 43.097 252.869 242.414 4.182 -182.138 -194.907 25.452
450 44.887 258.051 243.867 6.383 -182.232 -196.498 22.809
500 46.465 262.864 245.529 8.667 -182.345 -198.077 20.693
 
600 49.020 271.573 249.160 13.448 -182.616 -201.199 17.516
700 50.913 279.279 252.923 18.449 -182.939 -204.271 15.243
800 52.319 286.173 256.656 23.614 -183.305 -207.294 13.535
900 53.376 292.400 260.287 28.901 -183.706 -210.269 12.204
1000 54.184 298.067 263.786 34.281 -184.139 -213.197 11.136
 
1100 54.812 303.262 267.142 39.732 -184.602 -216.081 10.261
1200 55.308 308.053 270.354 45.239 -185.092 -218.921 9.529
1300 55.705 312.497 273.427 50.791 -185.609 -221.719 8.909
1400 56.028 316.637 276.367 56.378 -186.152 -224.477 8.375
1500 56.293 320.512 279.182 61.994 -186.721 -227.195 7.912
 
1600 56.515 324.152 281.880 67.635 -187.314 -229.874 7.505
1700 56.702 327.584 284.469 73.296 -187.930 -232.515 7.144
1800 56.864 330.830 286.955 78.975 -188.568 -235.119 6.823
1900 57.006 333.908 289.346 84.668 -189.225 -237.688 6.534
2000 57.134 336.836 291.648 90.375 -189.899 -240.221 6.274
 
2100 57.252 339.626 293.867 96.095 -190.585 -242.721 6.037
2200 57.365 342.292 296.008 101.825 -191.280 -245.187 5.821
2300 57.475 344.844 298.076 107.567 -191.980 -247.621 5.624
2400 57.586 347.293 300.076 113.321 -192.680 -250.026 5.442
2500 57.700 349.646 302.012 119.085 -193.376 -252.401 5.274
 
2600 57.820 351.911 303.888 124.861 -194.062 -254.748 5.118
2700 57.947 354.096 305.707 130.649 -194.734 -257.069 4.973
2800 58.083 356.206 307.473 136.451 -195.388 -259.366 4.839
2900 58.229 358.246 309.189 142.266 -196.020 -261.640 4.713
3000 58.384 360.223 310.858 148.097 -196.625 -263.892 4.595
 
3100 58.551 362.140 312.481 153.943 -197.201 -266.125 4.484
3200 58.728 364.002 314.062 159.807 -197.743 -268.339 4.380
3300 58.916 365.812 315.603 165.689 -198.249 -270.538 4.282
3400 59.115 367.574 317.106 171.591 -198.716 -272.721 4.190
3500 59.323 369.290 318.572 177.513 -199.143 -274.891 4.103
 
3600 59.541 370.964 320.004 183.456 -199.527 -277.050 4.020
3700 59.768 372.599 321.404 189.421 -199.866 -279.199 3.942
3800 60.002 374.196 322.772 195.410 -200.160 -281.339 3.867
3900 60.242 375.758 324.111 201.422 -200.407 -283.472 3.797
4000 60.488 377.286 325.421 207.458 -200.607 -285.599 3.730
 
4100 60.739 378.783 326.705 213.520 -200.760 -287.722 3.666
4200 60.993 380.249 327.962 219.606 -200.865 -289.841 3.605
4300 61.250 381.687 329.195 225.718 -200.922 -291.959 3.547
4400 61.508 383.098 330.404 231.856 -200.932 -294.076 3.491
4500 61.766 384.484 331.590 238.020 -200.895 -296.193 3.438
 
4600 62.024 385.844 332.755 244.209 -200.811 -298.312 3.387
4700 62.280 387.181 333.899 250.425 -200.682 -300.433 3.339
4800 62.533 388.495 335.023 256.665 -200.508 -302.557 3.292
4900 62.783 389.786 336.127 262.931 -200.290 -304.685 3.248
5000 63.029 391.057 337.213 269.222 -200.029 -306.818 3.205
 
5100 63.270 392.308 338.281 275.537 -199.727 -308.957 3.164
5200 63.506 393.539 339.332 281.875 -199.385 -311.102 3.125
5300 63.735 394.751 340.366 288.238 -199.003 -313.254 3.087
5400 63.958 395.944 341.384 294.622 -198.584 -315.413 3.051
5500 64.174 397.120 342.387 301.029 -198.129 -317.581 3.016
 
5600 64.383 398.278 343.375 307.457 -197.639 -319.757 2.983
5700 64.584 399.419 344.348 313.905 -197.116 -321.943 2.950
5800 64.776 400.544 345.307 320.373 -196.561 -324.138 2.919
5900 64.961 401.653 346.253 326.860 -195.976 -326.342 2.889
6000 65.137 402.746 347.185 333.365 -195.361 -328.557 2.860
 
PREVIOUS: June 1970 (1 atm) CURRENT: June 1970 (1 bar)
 
Difluoromethylene (CF2) C1F2(g)

Download table in tab-delimited text format.