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 | ||
0.930 ± 0.122 | 27 | 60 | cccbdb |
Formula | Name | Mode | Symmetry | Frequency | Count | |||
---|---|---|---|---|---|---|---|---|
Theory | Experiment | ratio | molecules | vibrations | ||||
H2 | Hydrogen diatomic | 1 | Σg | 4411 | 4161 | 0.943 | 1 | 1 |
BH | Boron monohydride | 1 | Σ | 2373 | 2269 | 0.956 | 2 | 2 |
AlH | aluminum monohydride | 1 | Σ | 1692 | 1625 | 0.961 | 3 | 3 |
CH | Methylidyne | 1 | Σ | 2873 | 2733 | 0.951 | 4 | 4 |
SiH | Silylidyne | 1 | Σ | 2055 | 1971 | 0.959 | 5 | 5 |
NH | Imidogen | 1 | Σ | 3323 | 3126 | 0.941 | 6 | 6 |
PH | phosphorus monohydride | 1 | Σ | 2387 | 2276 | 0.954 | 7 | 7 |
OH | Hydroxyl radical | 1 | Σ | 3820 | 3570 | 0.934 | 8 | 8 |
HS | Mercapto radical | 1 | Σ | 2734 | 2599 | 0.951 | 9 | 9 |
CS | carbon monosulfide | 1 | Σ | 1359 | 1272 | 0.936 | 10 | 10 |
HF | Hydrogen fluoride | 1 | Σ | 4258 | 3961 | 0.930 | 11 | 11 |
HCl | Hydrogen chloride | 1 | Σ | 3053 | 2886 | 0.945 | 12 | 12 |
BH2 | boron dihydride | 2 | A1 | 1028 | 954 | 0.928 | 13 | 13 |
AlH2 | aluminum dihydride | 1 | A1 | 1864 | 1770 | 0.950 | 14 | 14 |
2 | A1 | 774 | 760 | 0.981 | 14 | 15 | ||
3 | B2 | 1897 | 1807 | 0.952 | 14 | 16 | ||
SiH2 | silicon dihydride | 1 | A1 | 2095 | 1996 | 0.953 | 15 | 17 |
2 | A1 | 1044 | 999 | 0.957 | 15 | 18 | ||
3 | B2 | 2091 | 1993 | 0.953 | 15 | 19 | ||
PH2 | Phosphino radical | 1 | A1 | 2427 | 2310 | 0.952 | 16 | 20 |
2 | A1 | 1149 | 1102 | 0.959 | 16 | 21 | ||
H2O | Water | 1 | A1 | 3932 | 3657 | 0.930 | 17 | 22 |
2 | A1 | 1690 | 1595 | 0.944 | 17 | 23 | ||
3 | B2 | 4032 | 3756 | 0.932 | 17 | 24 | ||
HO2 | Hydroperoxy radical | 1 | A' | 3841 | 3436 | 0.895 | 18 | 25 |
2 | A' | 1511 | 1392 | 0.921 | 18 | 26 | ||
3 | A' | 1231 | 1098 | 0.892 | 18 | 27 | ||
H2S | Hydrogen sulfide | 1 | A1 | 2770 | 2615 | 0.944 | 19 | 28 |
2 | A1 | 1236 | 1183 | 0.957 | 19 | 29 | ||
3 | B2 | 2783 | 2626 | 0.944 | 19 | 30 | ||
BH3 | boron trihydride | 2 | A2" | 1172 | 1148 | 0.979 | 20 | 31 |
3 | E' | 2719 | 2602 | 0.957 | 20 | 32 | ||
4 | E' | 1236 | 1197 | 0.968 | 20 | 33 | ||
AlH3 | aluminum trihydride | 1 | A1' | 1960 | 1900 | 0.969 | 21 | 34 |
2 | A2" | 726 | 698 | 0.961 | 21 | 35 | ||
3 | E' | 1964 | 1883 | 0.959 | 21 | 36 | ||
4 | E' | 801 | 783 | 0.978 | 21 | 37 | ||
SiH3 | Silyl radical | 1 | A1 | 2246 | 2136 | 0.951 | 22 | 38 |
2 | A1 | 798 | 728 | 0.912 | 22 | 39 | ||
3 | E | 2278 | 2185 | 0.959 | 22 | 40 | ||
4 | E | 956 | 922 | 0.964 | 22 | 41 | ||
NH3 | Ammonia | 1 | A1 | 3550 | 3337 | 0.940 | 23 | 42 |
2 | A1 | 1110 | 950 | 0.856 | 23 | 43 | ||
3 | E | 3673 | 3444 | 0.938 | 23 | 44 | ||
4 | E | 1715 | 1627 | 0.949 | 23 | 45 | ||
PH3 | Phosphine | 1 | A1 | 2463 | 2323 | 0.943 | 24 | 46 |
2 | A1 | 1041 | 992 | 0.953 | 24 | 47 | ||
3 | E | 2469 | 2328 | 0.943 | 24 | 48 | ||
4 | E | 1169 | 1118 | 0.956 | 24 | 49 | ||
CH4 | Methane | 1 | A1 | 3080 | 2917 | 0.947 | 25 | 50 |
2 | E | 1596 | 1534 | 0.961 | 25 | 51 | ||
3 | T2 | 3197 | 3019 | 0.944 | 25 | 52 | ||
4 | T2 | 1371 | 1306 | 0.953 | 25 | 53 | ||
SiH4 | Silane | 1 | A1 | 2282 | 2187 | 0.958 | 26 | 54 |
2 | E | 1000 | 975 | 0.975 | 26 | 55 | ||
3 | T2 | 2286 | 2191 | 0.958 | 26 | 56 | ||
4 | T2 | 951 | 914 | 0.961 | 26 | 57 |
50 | |||||||||||||||||||||||||||||||||||||||||||
40 | |||||||||||||||||||||||||||||||||||||||||||
30 | |||||||||||||||||||||||||||||||||||||||||||
20 | |||||||||||||||||||||||||||||||||||||||||||
10 | |||||||||||||||||||||||||||||||||||||||||||
0 | |||||||||||||||||||||||||||||||||||||||||||
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 |