Methylamine
- Formula: CH5N
- Molecular weight: 31.0571
- IUPAC Standard InChI: InChI=1S/CH5N/c1-2/h2H2,1H3
- IUPAC Standard InChIKey: BAVYZALUXZFZLV-UHFFFAOYSA-N
- CAS Registry Number: 74-89-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: Methanamine; Aminomethane; Carbinamine; Monomethylamine; CH3NH2; Mercurialin; Methylaminen; Metilamine; Metyloamina; UN 1061; MMA
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Vibrational and/or electronic energy levels
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Symmetry: Cs Symmetry Number σ = 1
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a' | 1 | NH2 s-str | 3361 | B | 3361 W | gas | 3360 VS | gas | ||
| a' | 2 | CH3 d-str | 2961 | B | 2961 VS | gas | 2960 VS | gas | ||
| a' | 3 | CH3 s-str | 2820 | B | 2820 VS | gas | 2820 S | gas | ||
| a' | 4 | NH2 scis | 1623 | B | 1623 S | gas | ||||
| a' | 5 | CH3 d-deform | 1473 | B | 1473 S | gas | 1460 M | |||
| a' | 6 | CH3 s-deform | 1430 | B | 1430 M | gas | ||||
| a' | 7 | CH3 rock | 1130 | A | 1130 M | gas | ||||
| a' | 8 | CN str | 1044 | A | 1044 S | gas | 1044 S | |||
| a' | 9 | NH2 wag | 780 | A | 780 VS | gas | 781 W | |||
| a | 10 | NH2 a-str | 3427 | C | 3427 W | gas | 3470 W | |||
| a | 11 | CH3 d-str | 2985 | C | 2985 VS | gas | ||||
| a | 12 | CH3 d-deform | 1485 | D | 1485 | gas | Estimated from R()Q) branch frequency | |||
| a | 13 | NH2 twist | 1419 | D | CF | |||||
| a | 14 | CH3 rock | 1195 | D | 1195 | gas | Estimated from R()Q) branch frequency | |||
| a | 15 | Torsion | 268 | B | 268 | gas | MW: 272νA) 265νE) | |||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| S | Strong |
| M | Medium |
| W | Weak |
| CF | Calculated frequency |
| MW | Torsional Frequency calculated from microwave spectroscopic data. |
| A | 0~1 cm-1 uncertainty |
| B | 1~3 cm-1 uncertainty |
| C | 3~6 cm-1 uncertainty |
| D | 6~15 cm-1 uncertainty |
References
Go To: Top, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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