Difluoroethyne (C2F2) C2F2(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 -12.403 19.444 19.444 INFINITE
100 34.428 194.599 288.398 -9.380 19.441 17.208 -8.989
200 48.351 223.037 249.016 -5.196 20.043 14.799 -3.865
250 53.162 234.364 244.977 -2.653 20.492 13.436 -2.807
 
298.15 56.935 244.060 244.060 0. 20.920 12.038 -2.109
 
300 57.068 244.412 244.061 0.105 20.936 11.983 -2.086
350 60.380 253.465 244.768 3.044 21.344 10.458 -1.561
400 63.249 261.719 246.379 6.136 21.702 8.878 -1.159
450 65.757 269.317 248.511 9.363 22.005 7.256 -0.842
500 67.957 276.361 250.948 12.707 22.253 5.604 -0.585
 
600 71.592 289.087 256.267 19.692 22.609 2.238 -0.195
700 74.412 300.344 261.775 26.998 22.818 -1.176 0.088
800 76.610 310.429 267.237 34.554 22.922 -4.612 0.301
900 78.336 319.556 272.552 42.304 22.949 -8.056 0.468
1000 79.704 327.883 277.674 50.209 22.917 -11.499 0.601
 
1100 80.799 335.533 282.591 58.236 22.837 -14.938 0.709
1200 81.685 342.603 287.302 66.362 22.714 -18.366 0.799
1300 82.410 349.171 291.811 74.568 22.553 -21.784 0.875
1400 83.007 355.301 296.130 82.839 22.355 -25.187 0.940
1500 83.506 361.045 300.268 91.166 22.122 -28.575 0.995
 
1600 83.924 366.448 304.237 99.538 21.855 -31.946 1.043
1700 84.279 371.547 308.048 107.949 21.556 -35.300 1.085
1800 84.582 376.373 311.711 116.392 21.227 -38.635 1.121
1900 84.843 380.953 315.236 124.864 20.868 -41.951 1.153
2000 85.069 385.311 318.631 133.360 20.484 -45.247 1.182
 
2100 85.265 389.466 321.906 141.876 20.077 -48.524 1.207
2200 85.437 393.437 325.068 150.412 19.649 -51.781 1.229
2300 85.588 397.238 328.124 158.963 19.205 -55.018 1.249
2400 85.722 400.884 331.080 167.529 18.748 -58.235 1.267
2500 85.841 404.386 333.943 176.107 18.282 -61.433 1.284
 
2600 85.948 407.754 336.717 184.697 17.809 -64.612 1.298
2700 86.043 411.000 339.409 193.296 17.334 -67.773 1.311
2800 86.128 414.131 342.022 201.905 16.859 -70.917 1.323
2900 86.205 417.154 344.561 210.522 16.387 -74.043 1.334
3000 86.275 420.078 347.030 219.146 15.920 -77.154 1.343
 
3100 86.339 422.908 349.432 227.776 15.462 -80.249 1.352
3200 86.397 425.650 351.771 236.413 15.012 -83.329 1.360
3300 86.449 428.310 354.050 245.056 14.574 -86.395 1.368
3400 86.498 430.891 356.273 253.703 14.148 -89.448 1.374
3500 86.542 433.399 358.440 262.355 13.735 -92.489 1.380
 
3600 86.583 435.838 360.557 271.011 13.336 -95.518 1.386
3700 86.620 438.210 362.624 279.671 12.951 -98.537 1.391
3800 86.655 440.521 364.643 288.335 12.581 -101.545 1.396
3900 86.687 442.772 366.618 297.002 12.226 -104.544 1.400
4000 86.717 444.967 368.549 305.673 11.885 -107.533 1.404
 
4100 86.745 447.109 370.439 314.346 11.558 -110.515 1.408
4200 86.771 449.200 372.290 323.022 11.246 -113.488 1.411
4300 86.795 451.242 374.102 331.700 10.947 -116.455 1.415
4400 86.817 453.237 375.878 340.381 10.661 -119.414 1.418
4500 86.838 455.189 377.619 349.063 10.387 -122.367 1.420
 
4600 86.858 457.097 379.326 357.748 10.125 -125.315 1.423
4700 86.876 458.966 381.001 366.435 9.875 -128.256 1.425
4800 86.894 460.795 382.644 375.123 9.634 -131.192 1.428
4900 86.910 462.587 384.257 383.814 9.403 -134.124 1.430
5000 86.925 464.343 385.842 392.505 9.181 -137.051 1.432
 
5100 86.940 466.064 387.398 401.199 8.967 -139.973 1.434
5200 86.954 467.752 388.927 409.893 8.760 -142.892 1.435
5300 86.966 469.409 390.430 418.589 8.559 -145.806 1.437
5400 86.979 471.035 391.907 427.287 8.364 -148.717 1.439
5500 86.990 472.631 393.361 435.985 8.174 -151.624 1.440
 
5600 87.001 474.198 394.790 444.685 7.989 -154.528 1.441
5700 87.011 475.738 396.197 453.385 7.806 -157.429 1.443
5800 87.021 477.252 397.581 462.087 7.626 -160.326 1.444
5900 87.031 478.739 398.944 470.789 7.448 -163.220 1.445
6000 87.039 480.202 400.287 479.493 7.271 -166.111 1.446
 
PREVIOUS: December 1967 (1 atm) CURRENT: December 1967 (1 bar)
 
Difluoroethyne (C2F2) C2F2(g)

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