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
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- Other names: Methanamine; Aminomethane; Carbinamine; Monomethylamine; CH3NH2; Mercurialin; Methylaminen; Metilamine; Metyloamina; UN 1061; MMA
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IR Spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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| Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Sadtler Research Labs Under US-EPA Contract |
| State | gas |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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| Source | Tannenbaum, Coffin, et al., 1953 |
|---|---|
| Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
| Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
| Source reference | RAS UV No. 2772 |
| Instrument | n.i.g. |
| Sample pressure | 0.01-1.8 mm Hg |
| Melting point | -93.4 |
| Boiling point | -6.3 |
Vibrational and/or electronic energy levels
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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
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Tannenbaum, Coffin, et al., 1953
Tannenbaum, E.; Coffin, E.M.; Harrison, A.J.,
The far ultraviolet absorption spectra of simple alkyl amines,
J. Chem. Phys., 1953, 21, 2, 311-318. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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