| Tag | Stoichiometric | Ordinary | Name | Description | Hyperfine | Contributor | Version |
|---|---|---|---|---|---|---|---|
| 31801 | CH5N | CH3NH2 | Methylamine, Methanamine | v=0 | No | R. Motiyenko | 2021.08 |
| 31802 | CH5N | CH3NH2 | Methylamine, Methanamine | v=0 | Yes | R. Motiyenko | 2021.08 |
| 31803 | CH5N | CH3NH2 | Methylamine, Methanamine | vt=1 | No | R. Motiyenko | 2022.05 |
| 31804 | CH5N | CH3NH2 | Methylamine, Methanamine | vt=1 | Yes | R. Motiyenko | 2022.11 |
| 32801 | CH5N | 13CH3NH2 | Methylamine, Methanamine | v=0 | No | R. Motiyenko | 2021.08 |
| 32802 | CH5N | 13CH3NH2 | Methylamine, Methanamine | v=0 | Yes | R. Motiyenko | 2021.08 |
| 44801 | C2H4O | CH3CHO | Acetaldehyde, Ethanal | vt=0, 1, 2 | N/A | V. Ilyushin | 2021.10 |
| 45801 | CH5NO | CH2NOH | Formaldoxime, N-Hydroxymethanimine | v=0 & v12=1 | No | L. Zou | 2022.01 |
| 45802 | C2H4O | 13CH3CHO | Acetaldehyde, Ethanal | vt=0, 1 | N/A | L. Margulès | 2023.02 |
| 45803 | C2H4O | CH313CHO | Acetaldehyde, Ethanal | vt=0, 1 | N/A | L. Margulès | 2023.02 |
| 45804 | CH3NO | CH3NO | Nitrosomethane | vt=0,1 | Yes | L. Margulès | 2025.09 |
| 47801 | C2H6O | CH3OCH2D | Dimethyl Ether, Methoxymethane | s-conformer, vt=0 | N/A | C. Richard | 2022.06 |
| 47802 | C2H6O | CH3OCH2D | Dimethyl Ether, Methoxymethane | a-conformer, vt=0 | N/A | C. Richard | 2022.06 |
| 56801 | C3H4O | CH3CHCO | Methyl ketene, 1-Propen-1-one | vt=0, 1 | N/A | R. Motiyenko | 2023.06 |
| 57801 | C3H7N | CH3CH2CHNH | 1-propanimine, Propan-1-imine | E isomer, v=0 | No | L. Margulès | 2022.12 |
| 57802 | C3H7N | CH3CH2CHNH | 1-propanimine, Propan-1-imine | Z isomer, v=0 | No | L. Margulès | 2022.12 |
| 57803 | C3H7N | (CH3)2CNH | 2-propanimine, Propan-2-imine | vt=0 | No | L. Zou | 2023.03 |
| 57804 | C2H3ON | HOCH2CN | 2-Hydroxyacetonitrile, glycolonitrile | tunneling vt=0,1 | No | L. Margulès | 2023.12 |
| 58801 | C2H3ON | DOCH2CN | 2-Hydroxyacetonitrile, glycolonitrile | tunneling vt=0,1 | No | L. Margulès | 2023.12 |
| 58802 | C2H3ON | HO13CH2CN | 2-Hydroxyacetonitrile, glycolonitrile | tunneling vt=0,1 | No | L. Margulès | 2023.12 |
| 58803 | C2H3ON | HOCH213CN | 2-Hydroxyacetonitrile, glycolonitrile | tunneling vt=0,1 | No | L. Margulès | 2023.12 |
| 59801 | C2H5NO | CH3NHCHO | N-Methylformamide, Methylformide | vt=0, 1, 2 | No | R. Motiyenko | 2022.02 |
| 59802 | C2H5NO | CH3NHCHO | N-Methylformamide, Methylformide | vt=0, 1, 2 | Yes | R. Motiyenko | 2022.02 |
| 60801 | C2H4S | CH3CHS | Thioacetaldehyde, Ethanethial | vt=0, 1, 2 | N/A | L. Margulès | 2022.10 |
| 60802 | C2H4O2 | HCOOCH3 | Methyl Formate | vt=0, 1 | N/A | V. Ilyushin | 2023.11 |
| 61801 | CH3NO2 | CH3ONO | Methyl Nitrite | cis conformer, vt=0 | No | R. Motiyenko | 2022.11 |
| 66801 | C3H2N2 | CH2(CN)2 | Malononitrile, Propanedinitrile | v=0 | No | R. Motiyenko | 2022.05 |
| 66802 | C3H2N2 | CH2(CN)2 | Malononitrile, Propanedinitrile | v=0 | Yes | R. Motiyenko | 2022.05 |
| 73801 | C3H7NO | CH3CH2CONH2 | Propionamide, Propanamide | vt=0 | No | R. Motiyenko | 2021.12 |
| 73802 | C3H7NO | CH3CH2CONH2 | Propionamide, Propanamide | v30=1 | No | R. Motiyenko | 2021.12 |
| 73803 | C3H7NO | CH3CH2CONH2 | Propionamide, Propanamide | vt=0 | Yes | R. Motiyenko | 2021.12 |
| 73804 | C3H7NO | CH3CH2CONH2 | Propionamide, Propanamide | v30=1 | Yes | R. Motiyenko | 2021.12 |
| 74801 | C3H6O2 | HOCH2CH2CHO | 3-Hydroxypropanal | v=0 | N/A | Z. Fried | 2025.09 |
| 76801 | C3H8O2 | CH3OCH2CH2OH | 2-methoxyethanol | v=0 | N/A | Z. Fried | 2024.05 |
| 81801 | C3H3N3 | H2NCH(CN)2 | Aminomalononitrile, 2-aminopropanedinitrile | v=0 | No | R. Motiyenko | 2023.07 |
Lille Spectroscopic Database