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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
You are here: Calculated > Vibrations > Scale Factors > Scale factor uncertainty |
Scale factor | How many | Source | |
---|---|---|---|
Molecules | Vibrations | ||
0.966 ± 0.042 | 20 | 89 | cccbdb |
Formula | Name | Mode | Symmetry | Frequency | Count | |||
---|---|---|---|---|---|---|---|---|
Theory | Experiment | ratio | molecules | vibrations | ||||
LiH | Lithium Hydride | 1 | Σ | 1415 | 1360 | 0.961 | 1 | 1 |
Na2 | Sodium diatomic | 1 | Σg | 146 | 158 | 1.083 | 2 | 2 |
N2 | Nitrogen diatomic | 1 | Σg | 2195 | 2330 | 1.062 | 3 | 3 |
OH | Hydroxyl radical | 1 | Σ | 3742 | 3570 | 0.954 | 4 | 4 |
HF | Hydrogen fluoride | 1 | Σ | 4142 | 3961 | 0.956 | 5 | 5 |
F2 | Fluorine diatomic | 1 | Σg | 878 | 894 | 1.018 | 6 | 6 |
HCl | Hydrogen chloride | 1 | Σ | 3019 | 2886 | 0.956 | 7 | 7 |
AlCl | Aluminum monochloride | 1 | Σ | 490 | 478 | 0.975 | 8 | 8 |
Cl2 | Chlorine diatomic | 1 | Σg | 525 | 554 | 1.056 | 9 | 9 |
CO2 | Carbon dioxide | 1 | Σg | 1270 | 1333 | 1.050 | 10 | 10 |
2 | Σu | 2354 | 2349 | 0.998 | 10 | 11 | ||
3 | Πu | 642 | 667 | 1.040 | 10 | 12 | ||
SO2 | Sulfur dioxide | 1 | A1 | 949 | 1151 | 1.213 | 11 | 13 |
2 | A1 | 453 | 518 | 1.144 | 11 | 14 | ||
3 | B2 | 1151 | 1362 | 1.183 | 11 | 15 | ||
C2H2 | Acetylene | 1 | Σg | 3534 | 3374 | 0.955 | 12 | 16 |
2 | Σg | 1976 | 1974 | 0.999 | 12 | 17 | ||
3 | Σu | 3444 | 3289 | 0.955 | 12 | 18 | ||
4 | Πg | 90 | 612 | 6.831 | 12 | 19 | ||
5 | Πu | 720 | 730 | 1.013 | 12 | 20 | ||
NH3 | Ammonia | 1 | A1 | 3487 | 3337 | 0.957 | 13 | 21 |
2 | A1 | 1099 | 950 | 0.865 | 13 | 22 | ||
3 | E | 3630 | 3444 | 0.949 | 13 | 23 | ||
4 | E | 1662 | 1627 | 0.979 | 13 | 24 | ||
H2CO | Formaldehyde | 1 | A1 | 2943 | 2782 | 0.945 | 14 | 25 |
2 | A1 | 1742 | 1746 | 1.002 | 14 | 26 | ||
3 | A1 | 1557 | 1500 | 0.963 | 14 | 27 | ||
4 | B1 | 1196 | 1167 | 0.975 | 14 | 28 | ||
5 | B2 | 3009 | 2843 | 0.945 | 14 | 29 | ||
6 | B2 | 1283 | 1249 | 0.974 | 14 | 30 | ||
BF3 | Borane, trifluoro- | 1 | A1' | 888 | 888 | 1.000 | 15 | 31 |
2 | A2" | 695 | 691 | 0.994 | 15 | 32 | ||
3 | E' | 1476 | 1449 | 0.982 | 15 | 33 | ||
4 | E' | 472 | 480 | 1.016 | 15 | 34 | ||
AlF3 | Aluminum trifluoride | 1 | A1' | 671 | 690 | 1.028 | 16 | 35 |
2 | A2" | 298 | 297 | 0.995 | 16 | 36 | ||
3 | E' | 936 | 935 | 0.999 | 16 | 37 | ||
4 | E' | 241 | 263 | 1.092 | 16 | 38 | ||
CH4 | Methane | 1 | A1 | 3052 | 2917 | 0.956 | 17 | 39 |
2 | E | 1558 | 1534 | 0.985 | 17 | 40 | ||
3 | T2 | 3179 | 3019 | 0.950 | 17 | 41 | ||
4 | T2 | 1370 | 1306 | 0.953 | 17 | 42 | ||
C2H6 | Ethane | 1 | A1g | 3054 | 2954 | 0.967 | 18 | 43 |
2 | A1g | 1453 | 1388 | 0.955 | 18 | 44 | ||
3 | A1g | 1014 | 995 | 0.981 | 18 | 45 | ||
4 | A1u | 326 | 289 | 0.888 | 18 | 46 | ||
5 | A2u | 3052 | 2896 | 0.949 | 18 | 47 | ||
6 | A2u | 1428 | 1379 | 0.966 | 18 | 48 | ||
7 | Eg | 3119 | 2969 | 0.952 | 18 | 49 | ||
8 | Eg | 1512 | 1468 | 0.971 | 18 | 50 | ||
9 | Eg | 1241 | 1190 | 0.959 | 18 | 51 | ||
10 | Eu | 3141 | 2985 | 0.950 | 18 | 52 | ||
11 | Eu | 1516 | 1469 | 0.969 | 18 | 53 | ||
12 | Eu | 829 | 822 | 0.991 | 18 | 54 | ||
C3H6 | Cyclopropane | 1 | A1' | 3168 | 3038 | 0.959 | 19 | 55 |
2 | A1' | 1539 | 1479 | 0.961 | 19 | 56 | ||
3 | A1' | 1215 | 1188 | 0.978 | 19 | 57 | ||
4 | A1" | 1187 | 1126 | 0.949 | 19 | 58 | ||
5 | A2' | 1113 | 1070 | 0.962 | 19 | 59 | ||
6 | A2" | 3265 | 3103 | 0.950 | 19 | 60 | ||
7 | A2" | 870 | 854 | 0.982 | 19 | 61 | ||
8 | E' | 3158 | 3025 | 0.958 | 19 | 62 | ||
9 | E' | 1491 | 1438 | 0.964 | 19 | 63 | ||
10 | E' | 1102 | 1029 | 0.934 | 19 | 64 | ||
11 | E' | 889 | 866 | 0.975 | 19 | 65 | ||
12 | E" | 3245 | 3082 | 0.950 | 19 | 66 | ||
13 | E" | 1233 | 1188 | 0.963 | 19 | 67 | ||
14 | E" | 764 | 739 | 0.967 | 19 | 68 | ||
CH2CHCH3 | Propene | 1 | A' | 3252 | 3090 | 0.950 | 20 | 69 |
2 | A' | 3166 | 3013 | 0.952 | 20 | 70 | ||
3 | A' | 3156 | 2991 | 0.948 | 20 | 71 | ||
4 | A' | 3130 | 2954 | 0.944 | 20 | 72 | ||
5 | A' | 3041 | 2871 | 0.944 | 20 | 73 | ||
6 | A' | 1692 | 1650 | 0.975 | 20 | 74 | ||
7 | A' | 1514 | 1470 | 0.971 | 20 | 75 | ||
8 | A' | 1468 | 1420 | 0.967 | 20 | 76 | ||
9 | A' | 1429 | 1378 | 0.964 | 20 | 77 | ||
10 | A' | 1329 | 1297 | 0.976 | 20 | 78 | ||
11 | A' | 1199 | 1171 | 0.977 | 20 | 79 | ||
12 | A' | 952 | 963 | 1.012 | 20 | 80 | ||
13 | A' | 929 | 920 | 0.990 | 20 | 81 | ||
14 | A' | 423 | 428 | 1.011 | 20 | 82 | ||
15 | A" | 3108 | 2954 | 0.950 | 20 | 83 | ||
16 | A" | 1483 | 1443 | 0.973 | 20 | 84 | ||
17 | A" | 1071 | 1045 | 0.976 | 20 | 85 | ||
18 | A" | 994 | 991 | 0.997 | 20 | 86 | ||
19 | A" | 825 | 912 | 1.106 | 20 | 87 | ||
20 | A" | 554 | 578 | 1.044 | 20 | 88 | ||
21 | A" | 190 | 174 | 0.914 | 20 | 89 |
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0.70 | 0.75 | 0.80 | 0.85 | 0.90 | 0.95 | 1.00 | 1.05 | 1.10 | 1.15 | 1.20 | 1.25 | 1.30 | 1.35 | ||||||||||||||||||||||||||||||
Ratio of experimental frequency to calculated frequency |