Hafnium, Ion (Hf+) Hf1+(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 -6.197 1272.397    
100 20.786 162.333 203.521 -4.119      
200 20.786 176.741 186.942 -2.040      
250 20.786 181.379 185.382 -1.001      
 
298.15 20.786 185.040 185.040 0. 1278.950 1230.512 -215.581
 
300 20.786 185.169 185.041 0.038 1278.979 1230.212 -214.199
350 20.786 188.373 185.294 1.078 1279.758 1222.022 -182.377
400 20.786 191.149 185.856 2.117 1280.512 1213.722 -158.496
450 20.786 193.597 186.583 3.156 1281.241 1205.329 -139.911
500 20.786 195.787 187.396 4.196 1281.946 1196.857 -125.035
 
600 20.786 199.577 189.120 6.274 1283.290 1179.711 -102.703
700 20.786 202.781 190.848 8.353 1284.545 1162.347 -86.735
800 20.786 205.556 192.517 10.431 1285.716 1144.810 -74.748
900 20.786 208.005 194.105 12.510 1286.802 1127.130 -65.417
1000 20.786 210.195 195.606 14.589 1287.806 1109.334 -57.946
 
1100 20.787 212.176 197.024 16.667 1288.729 1091.442 -51.828
1200 20.789 213.985 198.363 18.746 1289.569 1073.469 -46.727
1300 20.794 215.649 199.629 20.825 1290.329 1055.429 -42.408
1400 20.804 217.190 200.829 22.905 1291.016 1037.334 -38.703
1500 20.823 218.626 201.968 24.986 1291.635 1019.192 -35.491
 
1600 20.857 219.971 203.052 27.070 1292.186 1001.010 -32.680
1700 20.910 221.237 204.085 29.158 1292.671 982.797 -30.198
1800 20.991 222.434 205.071 31.253 1293.092 964.556 -27.991
1900 21.107 223.572 206.015 33.358 1293.454 946.294 -26.015
2000 21.264 224.658 206.920 35.476 1293.759 928.015 -24.237
 
2100 21.472 225.701 207.790 37.612 1288.363 909.850 -22.631
2200 21.737 226.705 208.627 39.772 1289.117 891.808 -21.174
2300 22.065 227.679 209.434 41.962 1289.808 873.733 -19.843
2400 22.462 228.626 210.214 44.187 1290.444 855.629 -18.622
2500 22.931 229.552 210.970 46.456 1290.946 837.501 -17.499
 
2600 23.477 230.462 211.702 48.776 1262.291 820.523 -16.485
2700 24.100 231.359 212.413 51.154 1262.982 803.519 -15.545
2800 24.800 232.248 213.106 53.599 1263.739 786.488 -14.672
2900 25.576 233.132 213.781 56.117 1264.571 769.429 -13.859
3000 26.424 234.013 214.441 58.716 1265.483 752.340 -13.099
 
3100 27.341 234.894 215.086 61.404 1266.484 735.219 -12.388
3200 28.320 235.778 215.719 64.187 1267.579 718.064 -11.721
3300 29.355 236.665 216.340 67.070 1268.776 700.873 -11.094
3400 30.437 237.557 216.951 70.059 1270.078 683.645 -10.503
3500 31.559 238.455 217.553 73.159 1271.490 666.376 -9.945
 
3600 32.711 239.360 218.146 76.372 1273.017 649.066 -9.418
3700 33.883 240.273 218.732 79.702 1274.659 631.712 -8.918
3800 35.066 241.192 219.311 83.149 1276.420 614.312 -8.444
3900 36.249 242.118 219.884 86.715 1278.298 596.863 -7.994
4000 37.424 243.051 220.451 90.399 1280.295 579.366 -7.566
 
4100 38.580 243.989 221.014 94.199 1282.409 561.816 -7.158
4200 39.710 244.932 221.572 98.114 1284.636 544.214 -6.768
4300 40.805 245.880 222.126 102.140 1286.975 526.558 -6.396
4400 41.857 246.830 222.677 106.273 1289.422 508.846 -6.041
4500 42.862 247.782 223.224 110.510 1291.971 491.077 -5.700
 
4600 43.812 248.734 223.768 114.844 1294.618 473.250 -5.374
4700 44.704 249.686 224.310 119.270 1297.358 455.365 -5.061
4800 45.534 250.636 224.848 123.783 1300.183 437.420 -4.760
4900 46.299 251.583 225.384 128.375 1303.088 419.416 -4.471
5000 46.999 252.526 225.918 133.040 745.848 405.438 -4.236
 
5100 47.631 253.463 226.449 137.772 748.821 398.601 -4.083
5200 48.197 254.393 226.977 142.564 751.810 391.704 -3.935
5300 48.696 255.316 227.503 147.409 754.807 384.751 -3.792
5400 49.130 256.231 228.027 152.301 757.804 377.740 -3.654
5500 49.501 257.136 228.548 157.233 760.795 370.675 -3.520
 
5600 49.811 258.030 229.066 162.199 763.772 363.555 -3.391
5700 50.063 258.914 229.582 167.194 766.730 356.382 -3.266
5800 50.260 259.787 230.095 172.210 769.662 349.157 -3.144
5900 50.405 260.647 230.606 177.244 772.562 341.882 -3.027
6000 50.502 261.495 231.114 182.290 775.424 334.558 -2.913
 
PREVIOUS: March 1979 (1 atm) CURRENT: March 1984 (1 bar)
 
Hafnium, Ion (Hf+) Hf1+(g)

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