Search Form
Please input the minimum and maximum frequencies (MHz) you need.
HC4OH, DC4OH and HC4OD are now under re-measurement.
What molecules should be included ? (You can choose multiple molecules.)
| Molecule | Molecular Weight |
| CHD | 15 |
| NHD | 17 |
| OD- | 18 |
| H2-16O | 18 |
| H216O ν2 = 1 | 16 |
| H2-17O | 19 |
| H2-18O | 20 |
| D2-16O | 20 |
| H2DO+ | 20 |
| HD2O+ | 21 |
| D3O+ | 22 |
| C2H5 | 29 |
| CH2NH | 29 |
| 13CH2NH | 30 |
| CH215NH | 30 |
| CH2ND | 30 |
| CH3OH | 32 |
| NF(a) | 33 |
| NF(b) | 33 |
| SD3+ | 38 |
| CD2CN | 42 |
| HSiO | 45 |
| NCl(a) | 49 |
| NCl(b) | 49 |
| H3PO | 50 |
| CD3SH | 51 |
| H3P18O | 52 |
| D3PO | 53 |
| c-C2H2Si | 54 |
| c-C2H229Si | 55 |
| c-C2D2Si | 56 |
| c-13C2Si | 56 |
| NH2CH2CN | 56 |
| NH2CH2CN ν18 = 1 | 56 |
| NH2CH2CN ν11 = 1 | 56 |
| NH2CH2CN ν17 = 1 | 56 |
| NHDCH2CN | 57 |
| CH2CP | 57 |
| ND2CH2CN | 58 |
| HCOOCH3-18-2 | 60 |
| HCOOCH3 | 60 |
| HCOO13CH3 | 61 |
| CH3CH2OCH3 (ground) | 60 |
| CH3CH2OCH3 ν30 = 1 | 60 |
| CH3CH2OCH3 ν29 = 1 | 60 |
| CH3CH2OCH3 ν28 = 1 | 60 |
| PNO | 61 |
| P15NO | 62 |
| C5D | 62 |
| PN18O | 63 |
| HC4OH (DO NOT USE) | 66 |
| DC4OH (DO NOT USE) | 67 |
| HC4OD (DO NOT USE) | 67 |
| hydantoin | 100 |
| ALL |
Updated on 2019 Apr. 1