Betaine
- Formula: C5H11NO2
- Molecular weight: 117.1463
- IUPAC Standard InChI: InChI=1S/C5H11NO2/c1-6(2,3)4-5(7)8/h4H2,1-3H3
- IUPAC Standard InChIKey: KWIUHFFTVRNATP-UHFFFAOYSA-N
- CAS Registry Number: 107-43-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Methanaminium, 1-carboxy-N,N,N-trimethyl-, hydroxide, inner salt; Trimethylaminoacetic acid; α-Earleine; (Carboxymethyl)trimethylammonium hydroxide inner salt; Abromine; Glycine betaine; Glycine, trimethylbetaine; Glycocoll betaine; Glycylbetaine; Loramine AMB-13; Lycine; Oxyneurine; Trimethylglycine; Trimethylglycocoll; Rubrine C; 1-Carboxy-N,N,N-trimethylmethanaminium hydroxide, inner salt; 2-(Trimethylammonio)ethanoic acid, hydroxide, inner salt; Methanaminium, 1-carboxy-N,N,N-trimethyl-, inner salt; Trimethylaminoacetate; Cystadane
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Gas phase ion energetics data
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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: Michael M. Meot-Ner (Mautner)
Proton affinity at 298K
| Proton affinity (kJ/mol) | Reference | Comment |
|---|---|---|
| 531.6 ± 1.3 | Kuo, Zhang, et al., 1997 | T = 298K; Photoionization of HNO yields DHf(HNO+) from which PA(NO) is calculated at 0 K and 298K. |
References
Go To: Top, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kuo, Zhang, et al., 1997
Kuo, S.C.; Zhang, Z.Y.; Ross, S.K.; Klemm, R.B.; Johnson, R.D.; Monks, P.S.; Thorn, R.P.; Stief, L.J.,
Discharge flow-photoionization mass spectrometric study of HNO: Phtoionization efficiency spectrum and ionization energy and proton affinity of NO,
J. Phys. Chem. A, 1997, 101, 4035. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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